2020 Chevrolet Corvette service bulletins & manufacturer communications

500 manufacturer communications are on file with NHTSA for the 2020 Chevrolet Corvette. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Certain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s ex…
  N252541251-01 · Service campaign · Unknown OR Other · issued Aug 5, 2026
• PI to help diagnose A/C concern
  PIT5099J · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
• This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…
  PIT6215C · Technical service bulletin · Unknown OR Other · issued May 21, 2026
• This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  PIT3271Q · Technical service bulletin · Unknown OR Other · issued Apr 1, 2026
• This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform t…
  PIP5781D · Technical service bulletin · Unknown OR Other · issued Mar 31, 2026
• This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
  PIP6104 · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902V · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
  PIT6425D · Technical service bulletin · Unknown OR Other · issued Mar 2, 2026
• This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, …
  PIT5985K · Technical service bulletin · Unknown OR Other · issued Jan 27, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425C · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
  PIP6098 · Technical service bulletin · Unknown OR Other · issued Jan 14, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902U · Technical service bulletin · Unknown OR Other · issued Jan 8, 2026
• This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehic…
  PIT5214G · Technical service bulletin · Unknown OR Other · issued Nov 20, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425B · Technical service bulletin · Unknown OR Other · issued Oct 18, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425A · Technical service bulletin · Unknown OR Other · issued Oct 17, 2025
• The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
  PIT6440 · Technical service bulletin · Unknown OR Other · issued Oct 4, 2025
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  22-NA-080 · Technical service bulletin · Engine · issued Sep 6, 2025
• This PI communicates that previously not serviced parts in the transmission are now allowed to be serviced.
  PIP6084 · Technical service bulletin · Unknown OR Other · issued Sep 5, 2025
• This PIC assists dealership technicians in diagnosing a folding top concern in which he/she may want to command the folding top header latch to operate using the scan tool.
  PIC6455A · Technical service bulletin · Unknown OR Other · issued Aug 20, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902T · Technical service bulletin · Unknown OR Other · issued Aug 14, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650M · Technical service bulletin · Unknown OR Other · issued Aug 7, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601B · Technical service bulletin · Unknown OR Other · issued Jul 18, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832V · Technical service bulletin · Unknown OR Other · issued Jun 26, 2025
• This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform t…
  PIP5781C · Technical service bulletin · Unknown OR Other · issued Jun 20, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770-01 · Service campaign · Unknown OR Other · issued Jun 20, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770 · Service campaign · Unknown OR Other · issued Jun 17, 2025
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180A · Technical service bulletin · Unknown OR Other · issued Jun 10, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902S · Technical service bulletin · Unknown OR Other · issued Jun 9, 2025
• This service bulletin provides information on Tire Sidewall Irregularities.
  25-NA-156 · Technical service bulletin · Wheels · issued Jun 7, 2025
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026R · Technical service bulletin · Engine · issued Jun 5, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Electrical System · issued May 16, 2025
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine · issued May 15, 2025
• This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regar…
  25-NA-118 · Technical service bulletin · Forward Collision Avoidance · issued May 8, 2025
• This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in ot…
  15-NA-010 · Technical service bulletin · Engine · issued May 7, 2025
• This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emissio…
  25-NA-100 · Technical service bulletin · Engine · issued Apr 18, 2025
• This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
  PI0281L · Technical service bulletin · Power Train · issued Apr 17, 2025
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Apr 10, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037W · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851F · Technical service bulletin · Unknown OR Other · issued Apr 4, 2025
• This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
  25-NA-087 · Technical service bulletin · Electrical System · issued Apr 3, 2025
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001K · Technical service bulletin · Electrical System · issued Mar 31, 2025
• This service bulletin informs the technician on the running changes to the M1L, M1M and MLH automatic transmission.
  23-NA-156 · Technical service bulletin · Power Train · issued Mar 28, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 25, 2025
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Unknown OR Other · issued Mar 21, 2025
• This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
  25-NA-065 · Technical service bulletin · Steering · issued Mar 21, 2025
• This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low…
  08-03-10-006I · Technical service bulletin · Wheels · issued Mar 14, 2025
• This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
  15-06-03-001F · Technical service bulletin · Electrical System · issued Mar 12, 2025
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown OR Other · issued Mar 5, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 4, 2025
• This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
  05-03-07-009L · Technical service bulletin · Suspension · issued Feb 25, 2025
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005Y · Technical service bulletin · Unknown OR Other · issued Feb 22, 2025
• This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
  05-08-51-001L · Technical service bulletin · Structure · issued Feb 20, 2025
• This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
  16-NA-003 · Technical service bulletin · Engine · issued Feb 20, 2025
• This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the …
  16-NA-109 · Technical service bulletin · Steering · issued Feb 18, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037V · Technical service bulletin · Unknown OR Other · issued Feb 13, 2025
• This service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in High Pressure Car Wash.
  24-NA-026 · Technical service bulletin · Structure · issued Feb 7, 2025
• This Preliminary information communicates information to dealership technicians on diagnosing and repairing a water leak into the passenger side carpeting area after the AC has bee…
  PIC6447B · Technical service bulletin · Unknown OR Other · issued Feb 7, 2025
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Electrical System · issued Jan 31, 2025
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001L · Technical service bulletin · Structure · issued Jan 31, 2025
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Structure · issued Jan 30, 2025
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine · issued Jan 30, 2025
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Jan 29, 2025
• This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
  21-NA-135 · Technical service bulletin · Unknown OR Other · issued Jan 28, 2025
• This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
  01-08-42-001Q · Technical service bulletin · Exterior Lighting · issued Jan 27, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832U · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985J · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
  21-NA-049 · Technical service bulletin · Power Train · issued Jan 14, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832T · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985H · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This Preliminary Information communication advises the technician on the need to provide additional information when creating a TAC case for a DCT transmission
  PIP6026A · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Z · Technical service bulletin · Power Train · issued Jan 9, 2025
• This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of …
  20-NA-166 · Technical service bulletin · Engine · issued Jan 8, 2025
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Jan 7, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037U · Technical service bulletin · Unknown OR Other · issued Jan 4, 2025
• This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
  21-NA-091 · Technical service bulletin · Unknown OR Other · issued Dec 21, 2024
• This service bulletin informs the technician on the running changes to the M1L, M1M, MLH automatic transmissions.
  23-NA-156 · Technical service bulletin · Power Train · issued Dec 19, 2024
• This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
  18-NA-263 · Technical service bulletin · Unknown OR Other · issued Dec 14, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985G · Technical service bulletin · Fuel/propulsion System · issued Dec 14, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832S · Technical service bulletin · Engine · issued Dec 13, 2024
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The…
  PIT5074Q · Technical service bulletin · Unknown OR Other · issued Dec 7, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962B · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary Information communication advises the technician on the need to provide additional information when creating a TAC case for a DCT transmission
  PIP6026 · Technical service bulletin · Power Train · issued Dec 4, 2024
• This Preliminary information communicates to dealers GM is working on a solution for outdated Apps
  PIT6261 · Technical service bulletin · Unknown OR Other · issued Dec 4, 2024
• This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
  08-07-30-035I · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
  17-NA-271 · Technical service bulletin · Wheels · issued Nov 26, 2024
• This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
  22-NA-238 · Technical service bulletin · Electrical System · issued Nov 25, 2024
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine · issued Nov 22, 2024
• This Preliminary information communicates that due to parts shortages caused by the devastation of hurricane Helene we are restricting transmission assemblies in service.
  PIP6016A · Technical service bulletin · Power Train · issued Nov 18, 2024
• This Preliminary Information communication advises the dealer the correct time, mileage and Labor operation used for the first covered Maintenace.
  PIP6024 · Technical service bulletin · Power Train · issued Nov 15, 2024
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Structure · issued Nov 5, 2024
• This service bulletin provides diagnostic aid information for dealers/technicians on Vehicle Speed Limited.
  24-NA-246 · Technical service bulletin · Engine · issued Oct 30, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985F · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832R · Technical service bulletin · Unknown OR Other · issued Oct 28, 2024
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
  04-06-01-029K · Technical service bulletin · Steering · issued Oct 28, 2024
• This Preliminary information communicates that due to parts shortages caused by the devastation of hurricane Helene we are restricting transmission assemblies in service.
  PIP6016 · Technical service bulletin · Unknown OR Other · issued Oct 25, 2024
• This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
  PIC6429B · Technical service bulletin · Service Brakes · issued Oct 25, 2024
• This Preliminary Information communicates information to the field on how to access the rear compartment in case of a loss of battery power.
  PIC6502B · Technical service bulletin · Structure · issued Oct 25, 2024
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698E · Technical service bulletin · Electrical System · issued Oct 25, 2024
• This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi…
  PIP4723J · Technical service bulletin · Electrical System · issued Oct 25, 2024
• This Preliminary Information communicates diagnostic information to dealership techs in assisting them with determining OEM mufflers from aftermarket ones.
  PIC6581 · Technical service bulletin · Unknown OR Other · issued Oct 22, 2024
• This service bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History.
  20-NA-075 · Technical service bulletin · Unknown OR Other · issued Oct 21, 2024
• This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
  PIT5569C · Technical service bulletin · Electrical System · issued Oct 18, 2024
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Oct 17, 2024
• This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management …
  PIP6015 · Technical service bulletin · Unknown OR Other · issued Oct 16, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Unknown OR Other · issued Oct 11, 2024
• This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle and should not be submitted as a warranty repair whenever th…
  22-NA-132 · Technical service bulletin · Suspension · issued Oct 10, 2024
• This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
  24-NA-031 · Technical service bulletin · Service Brakes · issued Oct 9, 2024
• This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
  17-NA-239 · Technical service bulletin · Service Brakes · issued Oct 9, 2024
• This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
  10-00-89-009F · Technical service bulletin · Unknown OR Other · issued Oct 9, 2024
• This service bulletin provides information on a Whoosh Noise from Engine Area While Driving.
  24-NA-222 · Technical service bulletin · Engine · issued Oct 8, 2024
• This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
  22-NA-026 · Technical service bulletin · Service Brakes · issued Oct 8, 2024
• This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine cover’s exposed carbon fiber parts…
  19-NA-042 · Technical service bulletin · Structure · issued Oct 8, 2024
• This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characte…
  17-NA-078 · Technical service bulletin · Engine · issued Oct 8, 2024
• This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
  16-NA-059 · Technical service bulletin · Service Brakes · issued Oct 8, 2024
• This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
  16-NA-003 · Technical service bulletin · Engine · issued Oct 8, 2024
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Structure · issued Oct 5, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011Q · Technical service bulletin · Engine · issued Oct 5, 2024
• This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TA…
  PIP5621E · Technical service bulletin · Unknown OR Other · issued Oct 4, 2024
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Z · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This service bulletin provides information on summer tire performance and tire cold weather cracking.
  13-03-10-001L · Technical service bulletin · Wheels · issued Oct 3, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Oct 3, 2024
• This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037T · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This service bulletin provides repair information to correct a customer concern of Top Not Secure DIC Message, DTC B19E4 SYM64 May be Stored in History in Convertibles.
  21-NA-192 · Technical service bulletin · Structure · issued Oct 2, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
  17-NA-087 · Technical service bulletin · Suspension · issued Sep 26, 2024
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Structure · issued Sep 21, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Sep 21, 2024
• This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and inf…
  20-NA-138 · Technical service bulletin · Power Train · issued Sep 17, 2024
• This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be acco…
  08-07-30-026I · Technical service bulletin · Power Train · issued Sep 16, 2024
• This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
  18-NA-146 · Technical service bulletin · Unknown OR Other · issued Sep 14, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985E · Technical service bulletin · Unknown OR Other · issued Sep 13, 2024
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099H · Technical service bulletin · Unknown OR Other · issued Sep 12, 2024
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099H · Technical service bulletin · Unknown OR Other · issued Sep 12, 2024
• This Preliminary Information communicates information to the field on how to access the rear compartment in case of a loss of battery power.
  PIC6502A · Technical service bulletin · Structure · issued Sep 11, 2024
• This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
  07-00-89-036K · Technical service bulletin · Unknown OR Other · issued Sep 10, 2024
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
  02-00-89-002X · Technical service bulletin · Unknown OR Other · issued Sep 9, 2024
• This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibr…
  PIT3271P · Technical service bulletin · Unknown OR Other · issued Sep 6, 2024
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650L · Technical service bulletin · Electrical System · issued Sep 6, 2024
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851E · Technical service bulletin · Electrical System · issued Sep 4, 2024
• The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
  24-NA-174 · Technical service bulletin · Unknown OR Other · issued Aug 27, 2024
• Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which mo…
  General Communication · Service campaign · Electrical System · issued Aug 26, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine · issued Aug 19, 2024
• This service bulletin provides information on AGM batteries that require less frequent charging in storage.
  23-NA-044 · Technical service bulletin · Engine · issued Aug 16, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985D · Technical service bulletin · Electrical System · issued Aug 16, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832P · Technical service bulletin · Electrical System · issued Aug 14, 2024
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180 · Technical service bulletin · Seats · issued Aug 13, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832N · Technical service bulletin · Unknown OR Other · issued Aug 13, 2024
• This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform t…
  PIP5781B · Technical service bulletin · Unknown OR Other · issued Aug 13, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832M · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued Aug 9, 2024
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010S · Technical service bulletin · Unknown OR Other · issued Aug 9, 2024
• This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and …
  23-NA-141 · Technical service bulletin · Engine · issued Aug 8, 2024
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016J · Technical service bulletin · Engine · issued Aug 8, 2024
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine · issued Aug 7, 2024
• This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles a…
  05-06-04-022V · Technical service bulletin · Fuel/propulsion System · issued Aug 7, 2024
• This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
  00-06-01-012N · Technical service bulletin · Engine · issued Aug 7, 2024
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Y · Technical service bulletin · Electrical System · issued Aug 6, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011P · Technical service bulletin · Engine · issued Aug 5, 2024
• This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where they will determine trans replacement or vehicle repair to …
  23-NA-176 · Technical service bulletin · Electrical System · issued Aug 1, 2024
• This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
  18-NA-306 · Technical service bulletin · Unknown OR Other · issued Aug 1, 2024
• This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
  PI0754G · Technical service bulletin · Visibility/wiper · issued Jul 31, 2024
• This service bulletin informs the technician on the running changes to the M1L automatic transmission.
  23-NA-156 · Technical service bulletin · Power Train · issued Jul 31, 2024
• This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
  16-NA-158 · Technical service bulletin · Unknown OR Other · issued Jul 26, 2024
• GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inad…
  24-NA-141 · Technical service bulletin · Power Train · issued Jul 24, 2024
• This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
  12-01-37-001G · Technical service bulletin · Electrical System · issued Jul 24, 2024
• This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
  20-NA-038 · Technical service bulletin · Fuel/propulsion System · issued Jul 23, 2024
• This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
  00-03-10-002M · Technical service bulletin · Wheels · issued Jul 22, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued Jul 18, 2024
• This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
  17-NA-157 · Technical service bulletin · Engine · issued Jul 17, 2024
• This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
  99-04-20-002O · Technical service bulletin · Power Train · issued Jul 9, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051I · Technical service bulletin · Fuel/propulsion System · issued Jun 29, 2024
• This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or mi…
  16-NA-383 · Technical service bulletin · Engine · issued Jun 28, 2024
• This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
  22-NA-070 · Technical service bulletin · Unknown OR Other · issued Jun 18, 2024
• This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
  22-NA-018 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine · issued Jun 15, 2024
• This service bulletin provides a service procedure to correct a customer concern of a noise from transmission area and an MIL illuminated with Multiple DTCs Set.
  23-NA-197 · Technical service bulletin · Power Train · issued Jun 14, 2024
• This service bulletin provides information for engine oil life monitor operation calculation.
  18-NA-125 · Technical service bulletin · Electrical System · issued Jun 14, 2024
• This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts…
  21-NA-068 · Technical service bulletin · Electrical System · issued Jun 8, 2024
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Electrical System · issued Jun 6, 2024
• This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host…
  20-NA-016 · Technical service bulletin · Unknown OR Other · issued Jun 5, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued May 25, 2024
• This service bulletin provides information for engine oil life monitor operation calculation.
  18-NA-125 · Technical service bulletin · Electrical System · issued May 17, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued May 16, 2024
• This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
  08-07-30-035H · Technical service bulletin · Power Train · issued May 16, 2024
• This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Cana…
  16-NA-119 · Technical service bulletin · Unknown OR Other · issued May 14, 2024
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued May 11, 2024
• This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
  22-NA-070 · Technical service bulletin · Unknown OR Other · issued May 9, 2024
• This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support t…
  09-00-89-008G · Technical service bulletin · Unknown OR Other · issued May 7, 2024
• This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
  18-NA-067 · Technical service bulletin · Wheels · issued May 6, 2024
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Warranty extension · Electrical System · issued May 3, 2024
• This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
  22-NA-106 · Technical service bulletin · Wheels · issued May 3, 2024
• This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Unknown OR Other · issued May 2, 2024
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Unknown OR Other · issued May 1, 2024
• This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and Malfunction Indicator Lamp (MIL) Illuminated.
  21-NA-123 · Technical service bulletin · Engine · issued May 1, 2024
• This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Res…
  06-00-89-029V · Technical service bulletin · Seats · issued May 1, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Apr 30, 2024
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001J · Technical service bulletin · Electrical System · issued Apr 30, 2024
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001K · Technical service bulletin · Unknown OR Other · issued Apr 30, 2024
• This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
  23-NA-125 · Technical service bulletin · Electrical System · issued Apr 26, 2024
• This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004G · Technical service bulletin · Suspension · issued Apr 26, 2024
• This service bulletin provides a service procedure to correct a customer concern of a noise from transmission area and an MIL illuminated.
  23-NA-197 · Technical service bulletin · Power Train · issued Apr 18, 2024
• This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
  00-03-10-006P · Technical service bulletin · Wheels · issued Apr 18, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Equipment · issued Apr 16, 2024
• This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area.
  21-NA-249 · Technical service bulletin · Equipment · issued Apr 16, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Apr 10, 2024
• This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
  17-NA-052 · Technical service bulletin · Wheels · issued Apr 8, 2024
• This service bulletin provides repair information for technicians that may be Unable to Complete Serial Data Authentication on the vehicle.
  24-NA-066 · Technical service bulletin · Equipment · issued Apr 4, 2024
• This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
  10-08-45-001H · Technical service bulletin · Electrical System · issued Mar 28, 2024
• This Preliminary information communicates the possibility of misboxed/mislabled service parts.
  PIP5972 · Technical service bulletin · Equipment · issued Mar 26, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Mar 26, 2024
• This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
  23-NA-103 · Technical service bulletin · Equipment · issued Mar 21, 2024
• This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or …
  16-NA-383 · Technical service bulletin · Engine and Engine Cooling · issued Mar 13, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832L · Technical service bulletin · Equipment · issued Mar 11, 2024
• This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine and Engine Cooling · issued Mar 11, 2024
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037S · Technical service bulletin · Equipment · issued Mar 11, 2024
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005X · Technical service bulletin · Equipment · issued Mar 10, 2024
• This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pres…
  PIP5596A · Technical service bulletin · Fuel System, Gasoline · issued Mar 4, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Equipment · issued Mar 4, 2024
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown OR Other · issued Mar 1, 2024
• This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
  PIC6441B · Technical service bulletin · Electrical System · issued Feb 23, 2024
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Feb 22, 2024
• This Preliminary Information communicates instructions for a dealership technician to properly diagnose a Service Headlamp System message.
  PIC6512A · Technical service bulletin · Exterior Lighting · issued Feb 15, 2024
• This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle.
  16-NA-003 · Technical service bulletin · Engine and Engine Cooling · issued Feb 15, 2024
• This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
  20-NA-018 · Technical service bulletin · Electrical System · issued Feb 14, 2024
• This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
  22-NA-026 · Technical service bulletin · Service Brakes, Hydraulic · issued Feb 13, 2024
• This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
  24-NA-031 · Technical service bulletin · Equipment · issued Feb 9, 2024
• This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
  19-NA-044 · Technical service bulletin · Fuel System, Gasoline · issued Feb 7, 2024
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine and Engine Cooling · issued Feb 7, 2024
• This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and ex…
  16-NA-338 · Technical service bulletin · Power Train · issued Feb 2, 2024
• This service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in High Pressure Car Wash.
  24-NA-026 · Technical service bulletin · Structure · issued Feb 1, 2024
• This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
  21-NA-049 · Technical service bulletin · Electrical System · issued Jan 31, 2024
• This Preliminary information communicates to dealers of a known issue with failed map update
  PIT6122 · Technical service bulletin · Equipment · issued Jan 31, 2024
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Electrical System · issued Jan 30, 2024
• This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Servic…
  23-NA-189 · Technical service bulletin · Equipment · issued Jan 29, 2024
• This service bulletin informs the technician that the shocks should not be modified by removing spacer to lower vehicle and should not be submitted as a warranty repair whenever th…
  22-NA-132 · Technical service bulletin · Suspension · issued Jan 25, 2024
• This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
  PI0281K · Technical service bulletin · Structure · issued Jan 18, 2024
• This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where they will determine trans replacement or vehicle repair to …
  23-NA-176 · Technical service bulletin · Equipment · issued Jan 17, 2024
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine and Engine Cooling · issued Jan 16, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Equipment · issued Jan 16, 2024
• This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose …
  PIP5601B · Technical service bulletin · Equipment · issued Jan 12, 2024
• This PI bulletin advises the technician on the proper way to install the pistons in an engine.
  PI1394B · Technical service bulletin · Power Train · issued Jan 12, 2024
• This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
  02-08-42-001J · Technical service bulletin · Exterior Lighting · issued Jan 12, 2024
• This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E696…
  PI0592I · Technical service bulletin · Electrical System · issued Jan 8, 2024
• This Preliminary information communicates that characterizing certain parts is no longer required, the service instruction was changed but technicians are still trying to perform t…
  PIP5781A · Technical service bulletin · Unknown OR Other · issued Jan 5, 2024
• This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower Intermittently, TDTC B19E4 SYM64 Stored in History.
  21-NA-192 · Technical service bulletin · Equipment · issued Dec 22, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Dec 22, 2023
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The…
  PIT5074P · Technical service bulletin · Equipment · issued Dec 18, 2023
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962A · Technical service bulletin · Unknown OR Other · issued Dec 15, 2023
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Equipment · issued Dec 12, 2023
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Equipment · issued Dec 8, 2023
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851D · Technical service bulletin · Electrical System · issued Dec 5, 2023
• This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
  20-NA-018 · Technical service bulletin · Equipment · issued Nov 30, 2023
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985C · Technical service bulletin · Power Train · issued Nov 17, 2023
• This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
  21-NA-049 · Technical service bulletin · Electrical System · issued Nov 17, 2023
• This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining.
  17-NA-087 · Technical service bulletin · Wheels · issued Nov 17, 2023
• This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
  21-NA-135 · Technical service bulletin · Electrical System · issued Nov 16, 2023
• This service bulletin provides information for dealers/technicians on History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages.
  23-NA-206 · Technical service bulletin · Electrical System · issued Nov 15, 2023
• This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where they will determine trans replacement or vehicle repair to …
  23-NA-176 · Technical service bulletin · Electrical System · issued Nov 15, 2023
• This service bulletin informs the technician on the running changes to the M1L automatic transmission.
  23-NA-156 · Technical service bulletin · Power Train · issued Nov 15, 2023
• This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmiss…
  23-NA-139 · Technical service bulletin · Electrical System · issued Nov 15, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832K · Technical service bulletin · Power Train · issued Nov 14, 2023
• This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehic…
  PIT5214F · Technical service bulletin · Suspension · issued Nov 14, 2023
• This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC.
  19-NA-046 · Technical service bulletin · Electrical System · issued Nov 9, 2023
• This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characte…
  17-NA-078 · Technical service bulletin · Engine and Engine Cooling · issued Nov 9, 2023
• This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
  17-NA-040 · Technical service bulletin · Service Brakes, Hydraulic · issued Nov 9, 2023
• This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
  16-NA-059 · Technical service bulletin · Service Brakes, Hydraulic · issued Nov 9, 2023
• This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing v…
  03-00-91-001I · Technical service bulletin · Power Train · issued Nov 6, 2023
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued Oct 30, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Oct 30, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Oct 27, 2023
• This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Servic…
  23-NA-189 · Technical service bulletin · Equipment · issued Oct 25, 2023
• This service bulletin provides repair information to correct a customer concerns of transmission related issues.
  23-NA-188 · Technical service bulletin · Electrical System · issued Oct 25, 2023
• This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine coverâ s exposed carbon fiber part…
  19-NA-042 · Technical service bulletin · Equipment · issued Oct 17, 2023
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued Oct 16, 2023
• This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
  17-NA-239 · Technical service bulletin · Service Brakes, Hydraulic · issued Oct 12, 2023
• This service bulletin provides information on summer tire performance and tire cold weather cracking.
  13-03-10-001K · Technical service bulletin · Equipment · issued Oct 12, 2023
• This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
  05-00-89-029F · Technical service bulletin · Equipment · issued Oct 11, 2023
• This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the front fascia at the headlamp or fender seam.
  22-NA-081 · Technical service bulletin · Exterior Lighting · issued Oct 10, 2023
• This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold Air.
  22-NA-041 · Technical service bulletin · Equipment · issued Oct 6, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Oct 6, 2023
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011O · Technical service bulletin · Engine and Engine Cooling · issued Oct 6, 2023
• This service bulletin advises the technician to take a screen shot of the park position sensor and send it to TAC, where they will determine trans replacement or vehicle repair to …
  23-NA-176 · Technical service bulletin · Power Train · issued Oct 5, 2023
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Y · Technical service bulletin · Equipment · issued Oct 3, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Sep 28, 2023
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099G · Technical service bulletin · Visibility · issued Sep 26, 2023
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698D · Technical service bulletin · Electrical System · issued Sep 26, 2023
• This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.
  PIC6378C · Technical service bulletin · Visibility · issued Sep 26, 2023
• This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmiss…
  23-NA-139 · Technical service bulletin · Power Train · issued Sep 26, 2023
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006J · Technical service bulletin · Equipment · issued Sep 26, 2023
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
  02-00-89-002W · Technical service bulletin · Equipment · issued Sep 26, 2023
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine and Engine Cooling · issued Sep 22, 2023
• This informational bulletin provides information for the IPC odometer programming method quick reference guide.
  07-08-49-020R · Technical service bulletin · Electrical System · issued Sep 21, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Equipment · issued Sep 21, 2023
• This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
  17-NA-040 · Technical service bulletin · Service Brakes · issued Sep 18, 2023
• This service bulletin informs the technician on the running changes to the M1L automatic transmission.
  23-NA-156 · Technical service bulletin · Power Train · issued Sep 8, 2023
• This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
  17-NA-157 · Technical service bulletin · Engine and Engine Cooling · issued Sep 8, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Sep 7, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Equipment · issued Sep 5, 2023
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine and Engine Cooling · issued Sep 1, 2023
• This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
  18-NA-306 · Technical service bulletin · Equipment · issued Sep 1, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832J · Technical service bulletin · Equipment · issued Aug 30, 2023
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985B · Technical service bulletin · Power Train · issued Aug 30, 2023
• This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TA…
  PIP5621D · Technical service bulletin · Power Train · issued Aug 24, 2023
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine and Engine Cooling · issued Aug 24, 2023
• This service bulletin provides information to address a tire chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient…
  09-04-20-001H · Technical service bulletin · Power Train · issued Aug 24, 2023
• This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
  18-NA-306 · Technical service bulletin · Equipment · issued Aug 18, 2023
• This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with…
  21-NA-283 · Technical service bulletin · Suspension · issued Aug 16, 2023
• This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
  09-00-89-016H · Technical service bulletin · Equipment · issued Aug 15, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628G · Technical service bulletin · Engine · issued Aug 10, 2023
• This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and d…
  23-NA-141 · Technical service bulletin · Engine and Engine Cooling · issued Aug 10, 2023
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Electrical System · issued Aug 10, 2023
• This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmiss…
  23-NA-139 · Technical service bulletin · Power Train · issued Aug 9, 2023
• This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004F · Technical service bulletin · Engine and Engine Cooling · issued Aug 7, 2023
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051H · Technical service bulletin · Fuel System, Gasoline · issued Aug 1, 2023
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010R · Technical service bulletin · Equipment · issued Aug 1, 2023
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026X · Technical service bulletin · Electrical System · issued Jul 31, 2023
• This Preliminary information communicates the correct part number for the MCV in M1M equipped vehicles.
  PIP5937 · Technical service bulletin · Equipment · issued Jul 27, 2023
• This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
  17-NA-066 · Technical service bulletin · Power Train · issued Jul 21, 2023
• This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Techn…
  PIP5358C · Technical service bulletin · Equipment · issued Jul 18, 2023
• This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..
  PIP5797E · Technical service bulletin · Power Train · issued Jul 17, 2023
• This Preliminary Information communicates instructions for a dealership technician to properly diagnose a Service Headlamp System message.
  PIC6512 · Technical service bulletin · Exterior Lighting · issued Jul 17, 2023
• This service bulletin provides information on availability for a seat belt extender.
  99-09-40-005I · Technical service bulletin · Seat Belts · issued Jul 17, 2023
• This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
  21-NA-026 · Technical service bulletin · Equipment · issued Jul 17, 2023
• This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  22-NA-080 · Technical service bulletin · Engine and Engine Cooling · issued Jul 14, 2023
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP4902R · Technical service bulletin · Equipment · issued Jul 13, 2023
• This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.
  23-NA-125 · Technical service bulletin · Electrical System · issued Jul 12, 2023
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Electrical System · issued Jul 12, 2023
• This service bulletin provides information on Paintless Dent Repair Process.
  99-08-51-001F · Technical service bulletin · Structure · issued Jun 30, 2023
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Equipment · issued Jun 30, 2023
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011N · Technical service bulletin · Engine and Engine Cooling · issued Jun 30, 2023
• This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
  17-NA-066 · Technical service bulletin · Power Train · issued Jun 29, 2023
• This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
  17-NA-040 · Technical service bulletin · Service Brakes · issued Jun 19, 2023
• This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
  16-NA-158 · Technical service bulletin · Equipment · issued Jun 14, 2023
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
  21-NA-061 · Technical service bulletin · Equipment Adaptive/mobility · issued Jun 12, 2023
• This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect …
  PIT4261J · Technical service bulletin · Tires · issued Jun 9, 2023
• This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
  23-NA-103 · Technical service bulletin · Equipment · issued Jun 8, 2023
• This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air fi…
  04-07-30-013E · Technical service bulletin · Power Train · issued Jun 7, 2023
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued Jun 6, 2023
• This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
  21-NA-049 · Technical service bulletin · Power Train · issued Jun 6, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Jun 1, 2023
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
  02-00-89-002V · Technical service bulletin · Equipment · issued Jun 1, 2023
• This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be acco…
  08-07-30-026H · Technical service bulletin · Power Train · issued May 30, 2023
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Equipment · issued May 22, 2023
• This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
  12-03-10-001E · Technical service bulletin · Wheels · issued May 22, 2023
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650K · Technical service bulletin · Power Train · issued May 15, 2023
• This Preliminary information communicates an issue with a SES MIL on and DTC U0139 set in the ECM. Dealers are to cycle the power to the suspension control module to correct this i…
  PIT6007A · Technical service bulletin · Electrical System · issued May 11, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832H · Technical service bulletin · Back Over Prevention · issued May 11, 2023
• This Preliminary Information communicates information to the field on how to access the rear compartment in case of a loss of battery power.
  PIC6502 · Technical service bulletin · Equipment · issued May 10, 2023
• This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
  01-08-42-001P · Technical service bulletin · Exterior Lighting · issued May 3, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Apr 27, 2023
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005W · Technical service bulletin · Unknown OR Other · issued Apr 25, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628F · Technical service bulletin · Engine and Engine Cooling · issued Apr 24, 2023
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine and Engine Cooling · issued Apr 24, 2023
• This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
  12-03-10-001D · Technical service bulletin · Wheels · issued Apr 21, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  04-00-89-015Z · Technical service bulletin · Equipment · issued Apr 19, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Apr 17, 2023
• This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper pi…
  22-NA-247 · Technical service bulletin · Electrical System · issued Apr 11, 2023
• This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
  17-NA-040 · Technical service bulletin · Service Brakes, Hydraulic · issued Apr 6, 2023
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005V · Technical service bulletin · Unknown OR Other · issued Apr 6, 2023
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001J · Technical service bulletin · Equipment · issued Apr 6, 2023
• This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
  08-07-30-035G · Technical service bulletin · Power Train · issued Apr 6, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Apr 5, 2023
• This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
  PI0281J · Technical service bulletin · Steering · issued Apr 4, 2023
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Engine and Engine Cooling · issued Apr 4, 2023
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Equipment · issued Apr 3, 2023
• This Preliminary information communicates to dealers that an engine/exhaust whoosh noise condition heard during active fuel management transition is considered a design characteris…
  PIP5914 · Technical service bulletin · Back Over Prevention · issued Mar 29, 2023
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Equipment · issued Mar 23, 2023
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine and Engine Cooling · issued Mar 23, 2023
• This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
  22-NA-018 · Technical service bulletin · Equipment · issued Mar 20, 2023
• This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Engine and Engine Cooling · issued Mar 20, 2023
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026Q · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
  00-06-01-012M · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
  21-NA-061 · Technical service bulletin · Equipment · issued Mar 16, 2023
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016I · Technical service bulletin · Engine and Engine Cooling · issued Mar 16, 2023
• This service bulletin provides information on AGM batteries that require less frequent charging in storage.
  23-NA-044 · Technical service bulletin · Equipment · issued Mar 10, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Mar 8, 2023
• Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles. The Transmission Control Module (TCM), after detecting a loss of comm…
  N212336962 · Technical service bulletin · Electrical System · issued Mar 7, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832G · Technical service bulletin · Electrical System · issued Mar 6, 2023
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985A · Technical service bulletin · Power Train · issued Mar 6, 2023
• This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.
  PIP5852B · Technical service bulletin · Power Train · issued Mar 3, 2023
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985 · Technical service bulletin · Power Train · issued Feb 28, 2023
• This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
  15-NA-017 · Technical service bulletin · Equipment · issued Feb 27, 2023
• This bulletin provides information on Corvette C8 and Cadillac CT6 Structural Parts Restriction.
  23-NA-019 · Technical service bulletin · Structure · issued Feb 24, 2023
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Equipment · issued Feb 21, 2023
• This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold Air.
  22-NA-041 · Technical service bulletin · Electrical System · issued Feb 20, 2023
• This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
  18-NA-146 · Technical service bulletin · Equipment · issued Feb 20, 2023
• This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
  PI0754F · Technical service bulletin · Structure · issued Feb 17, 2023
• This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
  18-NA-263 · Technical service bulletin · Equipment · issued Feb 17, 2023
• This service bulletin provides information on summer tire performance and tire cold weather cracking.
  13-03-10-001J · Technical service bulletin · Wheels · issued Feb 17, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832F · Technical service bulletin · Equipment · issued Feb 16, 2023
• This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
  99-04-20-002N · Technical service bulletin · Power Train · issued Feb 16, 2023
• This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characte…
  17-NA-078 · Technical service bulletin · Engine and Engine Cooling · issued Feb 15, 2023
• This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
  01-08-42-001O · Technical service bulletin · Exterior Lighting · issued Feb 15, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628E · Technical service bulletin · Equipment · issued Feb 10, 2023
• This bulletin provides information on Corvette C8 and Cadillac CT6 Structural Parts Restriction.
  23-NA-019 · Technical service bulletin · Structure · issued Feb 10, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Feb 8, 2023
• This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
  17-NA-239 · Technical service bulletin · Service Brakes, Hydraulic · issued Feb 6, 2023
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Engine and Engine Cooling · issued Feb 1, 2023
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832E · Technical service bulletin · Communication · issued Jan 31, 2023
• This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
  07-03-16-004E · Technical service bulletin · Wheels · issued Jan 31, 2023
• This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
  00-00-90-002M · Technical service bulletin · Equipment · issued Jan 31, 2023
• This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
  21-NA-091 · Technical service bulletin · Equipment · issued Jan 30, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Jan 20, 2023
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
  02-00-89-002U · Technical service bulletin · Equipment · issued Jan 20, 2023
• This service bulletin provides repair information to correct a customer concern of various electrical concerns related to I/P wiring harness fuse block or body wiring harness junct…
  21-NA-174 · Technical service bulletin · Electrical System · issued Jan 19, 2023
• This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and Malfunction Indicator Lamp (MIL) Illuminated.
  21-NA-123 · Technical service bulletin · Engine and Engine Cooling · issued Jan 17, 2023
• This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts…
  21-NA-068 · Technical service bulletin · Equipment · issued Jan 17, 2023
• This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
  21-NA-135 · Technical service bulletin · Electrical System · issued Jan 13, 2023
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Engine and Engine Cooling · issued Jan 6, 2023
• This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.
  PIT5762F · Technical service bulletin · Electrical System · issued Jan 5, 2023
• This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
  20-NA-018 · Technical service bulletin · Equipment · issued Jan 3, 2023
• This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
  22-NA-257 · Technical service bulletin · Wheels · issued Dec 23, 2022
• This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support t…
  09-00-89-008F · Technical service bulletin · Equipment · issued Dec 21, 2022
• This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.
  PIC6429A · Technical service bulletin · Service Brakes · issued Dec 16, 2022
• This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice …
  PIP5540J · Technical service bulletin · Visibility · issued Dec 15, 2022
• This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P04…
  21-NA-124 · Technical service bulletin · Engine and Engine Cooling · issued Dec 14, 2022
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine and Engine Cooling · issued Dec 14, 2022
• This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and ex…
  16-NA-338 · Technical service bulletin · Power Train · issued Dec 13, 2022
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Equipment · issued Dec 7, 2022
• This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper pi…
  22-NA-247 · Technical service bulletin · Service Brakes, Hydraulic · issued Dec 6, 2022
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP5632G · Technical service bulletin · Equipment · issued Dec 5, 2022
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP4902Q · Technical service bulletin · Electrical System · issued Dec 2, 2022
• This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
  22-NA-238 · Technical service bulletin · Equipment · issued Nov 30, 2022
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851C · Technical service bulletin · Equipment · issued Nov 29, 2022
• This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibr…
  PIT3271N · Technical service bulletin · Wheels · issued Nov 29, 2022
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832D · Technical service bulletin · Electrical System · issued Nov 21, 2022
• This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a …
  22-NA-216 · Technical service bulletin · Engine and Engine Cooling · issued Nov 18, 2022
• This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and inf…
  20-NA-138 · Technical service bulletin · Engine and Engine Cooling · issued Nov 18, 2022
• This service bulletin provides information on performing a transmission service diagnostic test if any of the P-codes shown are set.
  21-NA-033 · Technical service bulletin · Power Train · issued Nov 10, 2022
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Nov 9, 2022
• This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
  17-NA-040 · Technical service bulletin · Service Brakes, Hydraulic · issued Nov 9, 2022
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851B · Technical service bulletin · Electrical System · issued Nov 1, 2022
• This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
  17-NA-271 · Technical service bulletin · Service Brakes, Hydraulic · issued Oct 28, 2022
• This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a …
  22-NA-216 · Technical service bulletin · Engine and Engine Cooling · issued Oct 26, 2022
• This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery Monitor with Module Malfunction Indicator Light (MIL) Illumin…
  22-NA-214 · Technical service bulletin · Engine and Engine Cooling · issued Oct 25, 2022
• This engineering information (EI) closure ends the need for gathering information from the field in regards to Malfunction Indicator Lamp (MIL) Illuminated, Service Rear Axle Messa…
  PIE0700B · Technical service bulletin · Power Train · issued Oct 21, 2022
• This service bulletin provides a procedure to correct the condition of Service Engine Soon Light/Message with DTCs P16F3 and/or P060C in the ECM.
  22-NA-206 · Technical service bulletin · Electrical System · issued Oct 19, 2022
• This service bulletin provides information on Module Harvesting.
  22-NA-205 · Technical service bulletin · Electrical System · issued Oct 19, 2022
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006I · Technical service bulletin · Equipment · issued Oct 7, 2022
• This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
  PIT5946 · Technical service bulletin · Electrical System · issued Oct 4, 2022
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019X · Technical service bulletin · Structure · issued Oct 4, 2022
• This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the front fascia at the headlamp or fender seam.
  22-NA-081 · Technical service bulletin · Structure · issued Oct 4, 2022
• This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area.
  21-NA-249 · Technical service bulletin · Structure · issued Oct 4, 2022
• This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower Intermittently, Technician may find DTC B19E4 SYM64 Stored in H…
  21-NA-192 · Technical service bulletin · Structure · issued Oct 4, 2022
• This service bulletin provides information on Remote Keyless Entry (RKE) System Operational Change for Front Trunk Function.
  20-NA-172 · Technical service bulletin · Equipment Adaptive/mobility · issued Oct 4, 2022
• This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The Ge…
  PIC5453D · Technical service bulletin · Unknown OR Other · issued Sep 30, 2022
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832C · Technical service bulletin · Electrical System · issued Sep 30, 2022
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698C · Technical service bulletin · Unknown OR Other · issued Sep 28, 2022
• This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
  22-NA-195 · Technical service bulletin · Equipment · issued Sep 28, 2022
• This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with…
  21-NA-283 · Technical service bulletin · Suspension · issued Sep 28, 2022
• This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E696…
  PI0592G · Technical service bulletin · Electrical System · issued Sep 27, 2022
• This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set.
  22-NA-019 · Technical service bulletin · Engine and Engine Cooling · issued Sep 16, 2022
• This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004E · Technical service bulletin · Suspension · issued Sep 16, 2022
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001H · Technical service bulletin · Electrical System · issued Sep 16, 2022
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016H · Technical service bulletin · Engine and Engine Cooling · issued Sep 16, 2022
• This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
  06-00-89-031H · Technical service bulletin · Engine and Engine Cooling · issued Sep 16, 2022
• This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles a…
  05-06-04-022T · Technical service bulletin · Fuel System, Gasoline · issued Sep 16, 2022
• This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TA…
  PIP5621C · Technical service bulletin · Power Train · issued Sep 14, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026W · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
  05-00-89-072F · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010Q · Technical service bulletin · Equipment · issued Sep 14, 2022
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051G · Technical service bulletin · Fuel System, Gasoline · issued Sep 13, 2022
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011M · Technical service bulletin · Engine and Engine Cooling · issued Sep 13, 2022
• This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
  00-06-01-012L · Technical service bulletin · Engine and Engine Cooling · issued Sep 13, 2022
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine and Engine Cooling · issued Sep 9, 2022
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005U · Technical service bulletin · Equipment · issued Sep 9, 2022
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026P · Technical service bulletin · Engine and Engine Cooling · issued Sep 9, 2022
• This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts…
  21-NA-068 · Technical service bulletin · Electrical System · issued Sep 8, 2022
• This service bulletin provides repair information to correct a customer concern of Air Conditioning Not Blowing Cold Air.
  22-NA-041 · Technical service bulletin · Equipment · issued Sep 7, 2022
• This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torq…
  PIP5640A · Technical service bulletin · Power Train · issued Sep 1, 2022
• This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine …
  22-NA-181 · Technical service bulletin · Power Train · issued Sep 1, 2022
• This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
  05-00-89-029E · Technical service bulletin · Equipment · issued Sep 1, 2022
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).
  21-NA-061 · Technical service bulletin · Equipment · issued Aug 30, 2022
• This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
  18-NA-306 · Technical service bulletin · Equipment · issued Aug 25, 2022
• This service bulletin provides information help guide technicians to known areas of possible transmission fluid leaks.
  22-NA-173 · Technical service bulletin · Power Train · issued Aug 24, 2022
• This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64 possibly set.
  22-NA-084 · Technical service bulletin · Equipment · issued Aug 24, 2022
• This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with…
  21-NA-283 · Technical service bulletin · Suspension · issued Aug 24, 2022
• This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine coverâ s exposed carbon fiber part…
  19-NA-042 · Technical service bulletin · Equipment · issued Aug 24, 2022
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005T · Technical service bulletin · Equipment · issued Aug 22, 2022
• This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen …
  20-NA-065 · Technical service bulletin · Engine and Engine Cooling · issued Aug 15, 2022
• This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
  19-NA-044 · Technical service bulletin · Fuel System, Gasoline · issued Aug 10, 2022
• This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
  21-NA-049 · Technical service bulletin · Power Train · issued Jul 29, 2022
• This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set.
  21-NA-033 · Technical service bulletin · Power Train · issued Jul 29, 2022
• This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characte…
  17-NA-078 · Technical service bulletin · Engine and Engine Cooling · issued Jul 29, 2022
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  04-00-89-015X · Technical service bulletin · Equipment · issued Jul 22, 2022