2024 Chevrolet Blazer service bulletins & manufacturer communications

416 manufacturer communications are on file with NHTSA for the 2024 Chevrolet Blazer. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radia…
  N262570770-01 · Service campaign · Engine · issued Sep 18, 2026
• Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radia…
  N262570770 · Service campaign · Engine · issued Sep 15, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902W · Technical service bulletin · Unknown / Other · issued Sep 4, 2026
• This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
  PIT6541 · Technical service bulletin · Unknown / Other · issued Aug 27, 2026
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551C · Technical service bulletin · Unknown / Other · issued Aug 20, 2026
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110K · Technical service bulletin · Unknown / Other · issued Jul 28, 2026
• PI to help diagnose A/C concern
  PIT5099J · Technical service bulletin · Unknown / Other · issued Jul 21, 2026
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966F · Technical service bulletin · Unknown / Other · issued Jun 23, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503A · Technical service bulletin · Unknown / Other · issued Jun 3, 2026
• This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and th…
  PIT6519 · Technical service bulletin · Unknown / Other · issued May 27, 2026
• This PI explains that the T18, Battery charger drive power distribution control modules are on parts restriction thru TAC.
  PIP6103B · Technical service bulletin · Unknown / Other · issued May 15, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540J · Technical service bulletin · Unknown / Other · issued May 14, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540H · Technical service bulletin · Unknown / Other · issued May 11, 2026
• PI created to guide technicians through radio restriction process
  PIC6626A · Technical service bulletin · Unknown / Other · issued May 11, 2026
• Pi created to provide GM dealers with information on gathering information for projection issue
  PIC6423A · Technical service bulletin · Unknown / Other · issued May 11, 2026
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551B · Technical service bulletin · Unknown / Other · issued May 11, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503 · Technical service bulletin · Unknown / Other · issued Apr 14, 2026
• This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  PIT3271Q · Technical service bulletin · Unknown / Other · issued Apr 1, 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 / 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 / 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 / Other · issued Mar 2, 2026
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841J · Technical service bulletin · Unknown / Other · issued Feb 12, 2026
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841H · Technical service bulletin · Unknown / Other · issued Feb 4, 2026
• PI created to guide technicians through radio restriction process
  PIC6626 · Technical service bulletin · Unknown / Other · issued Jan 28, 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 / 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 / Other · issued Jan 14, 2026
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457B · Technical service bulletin · Unknown / Other · issued Jan 12, 2026
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841G · Technical service bulletin · Unknown / Other · issued Jan 10, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902U · Technical service bulletin · Unknown / Other · issued Jan 8, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540F · Technical service bulletin · Unknown / Other · issued Dec 31, 2025
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841G · Technical service bulletin · Unknown / Other · issued Dec 17, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457A · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
• Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package…
  N25-250552 · Technical service bulletin · Unknown / Other · issued Dec 3, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457 · Technical service bulletin · Unknown / Other · issued Nov 25, 2025
• 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 / 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 / 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 / Other · issued Oct 17, 2025
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551A · Technical service bulletin · Unknown / Other · issued Oct 16, 2025
• This PI gives the dealer direction on a shudder shake low speed for a possible fluid condition.
  PIP6087A · Technical service bulletin · Unknown / Other · issued Oct 9, 2025
• The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
  PIT6440 · Technical service bulletin · Unknown / Other · issued Oct 4, 2025
• This PI gives the dealer direction on a shudder shake low speed for a possible fluid condition.
  PIP6087 · Technical service bulletin · Unknown / Other · issued Sep 15, 2025
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown / Other · issued Sep 9, 2025
• This Preliminary information communicates a possible issue with an engine timing chain, gear or crankshaft key.
  PIP6085 · Technical service bulletin · Unknown / Other · issued Sep 8, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902T · Technical service bulletin · Unknown / Other · issued Aug 14, 2025
• This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
  PIT6059C · Technical service bulletin · Unknown / Other · issued Aug 8, 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 / Other · issued Aug 7, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601C · Technical service bulletin · Unknown / Other · issued Jul 18, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601B · Technical service bulletin · Unknown / Other · issued Jul 18, 2025
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101S · Technical service bulletin · Unknown / Other · issued Jun 29, 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 / 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 / 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 / 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 / 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 / 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 / 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 / Other · issued May 30, 2025
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966E · Technical service bulletin · Unknown / Other · issued May 22, 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 on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
  25-NA-119 · Technical service bulletin · Electrical System · issued May 9, 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 Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101R · Technical service bulletin · Unknown / Other · 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 information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Apr 24, 2025
• This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
  24-NA-068 · Technical service bulletin · Engine · issued Apr 22, 2025
• This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
  21-NA-240 · Technical service bulletin · Engine · issued Apr 22, 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 Preliminary information communicates to dealers’ information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perfor…
  PIP5863C · Technical service bulletin · Unknown / Other · issued Apr 17, 2025
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841F · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552E · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This technical bulletin provides repair information to correct a customer concern of Remote-Control Door Lock and Theft Deterrent Transmitter Chevrolet Black Bowtie Poor Appearance…
  25-NA-039 · Technical service bulletin · Unknown / Other · issued Apr 15, 2025
• This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on h…
  PIE0794E · Technical service bulletin · Engine · issued Apr 14, 2025
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551R · Technical service bulletin · Unknown / Other · issued Apr 12, 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 Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841E · Technical service bulletin · Unknown / Other · 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 / Other · issued Apr 8, 2025
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101Q · Technical service bulletin · Unknown / Other · issued Apr 8, 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
• This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
  PIT6362 · Technical service bulletin · Unknown / Other · issued Apr 2, 2025
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101P · Technical service bulletin · Unknown / Other · issued Apr 1, 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 warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Mar 28, 2025
• This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841E · Technical service bulletin · Engine · issued Mar 27, 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 Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101N · Technical service bulletin · Unknown / Other · issued Mar 22, 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 / 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 · Fuel/propulsion System · issued Mar 21, 2025
• This Preliminary information communicates A vehicle may be encountered with door chimes, dome lamps, mirrors inop or a radio that will not shut off when the door is opened. The tec…
  PIT6354 · Technical service bulletin · Unknown / Other · issued Mar 21, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Mar 20, 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 repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive…
  23-NA-164 · Technical service bulletin · Electrical System · issued Mar 14, 2025
• This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
  25-NA-001 · Technical service bulletin · Power Train · issued Mar 13, 2025
• This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00,…
  23-NA-163 · Technical service bulletin · Electrical System · issued Mar 13, 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 service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
  25-NA-001 · Technical service bulletin · Power Train · issued Mar 5, 2025
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown / 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 Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591A · Technical service bulletin · Unknown / Other · issued Mar 3, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Feb 26, 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 Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
  PIP5824D · Technical service bulletin · Engine · 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 / 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 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 Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551Q · Technical service bulletin · Unknown / Other · 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 / Other · issued Feb 13, 2025
• This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
  25-NA-001 · Technical service bulletin · Power Train · issued Feb 12, 2025
• This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Feb 12, 2025
• This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
  24-NA-048 · Technical service bulletin · Forward Collision Avoidance · issued Feb 6, 2025
• This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
  25-NA-001 · Technical service bulletin · Power Train · issued Feb 5, 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 · Visibility/wiper · issued Jan 31, 2025
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001L · Technical service bulletin · Vehicle Speed Control · 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 · Electrical System · 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 to dealer to contact TAC for a specific display issue.
  PIC6591 · Technical service bulletin · Unknown / Other · issued Jan 27, 2025
• This service bulletin provides diagnostic repair information to correct an oil leak in the engine.
  21-NA-240 · Technical service bulletin · Engine · issued Jan 18, 2025
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Engine · issued Jan 16, 2025
• This engineering information (EI Lite) ends the need for gathering further information using the Field Product Reporting (FPR) App process for vehicles where customers comment on h…
  PIE0794D · Technical service bulletin · Engine · issued Jan 15, 2025
• This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
  25-NA-001 · Technical service bulletin · Power Train · 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 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 / Other · issued Jan 4, 2025
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265B · Technical service bulletin · Unknown / Other · issued Dec 16, 2024
• This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown / Other · issued Dec 14, 2024
• This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
  22-NA-038 · Technical service bulletin · Unknown / Other · issued Dec 14, 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 / Other · issued Dec 14, 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 service bulletin provides diagnostic repair information to correct an oil leak on top of the engine that may be coming from cam carrier- T-joint area.
  21-NA-240 · Technical service bulletin · Engine · 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 communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
  PIC6587 · Technical service bulletin · Lane Departure · issued Dec 6, 2024
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552D · Technical service bulletin · Lane Departure · issued Dec 6, 2024
• This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
  PIP5974E · Technical service bulletin · Power Train · issued Dec 5, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101M · Technical service bulletin · Unknown / Other · issued Dec 5, 2024
• This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
  24-NA-259 · Technical service bulletin · Unknown / Other · issued Nov 27, 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 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 possible transmission fluid leak in the torque converter housing area from loose pump bolts.
  PIP6025 · Technical service bulletin · Power Train · issued Nov 21, 2024
• This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
  21-NA-181 · Technical service bulletin · Power Train · issued Nov 18, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for t…
  PIT6265A · Technical service bulletin · Unknown / Other · issued Nov 8, 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 advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
  23-NA-021 · Technical service bulletin · Engine · issued Oct 29, 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 service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Oct 26, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101L · Technical service bulletin · Unknown / Other · issued Oct 25, 2024
• This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.
  PIP6007A · Technical service bulletin · Engine · issued Oct 25, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265 · Technical service bulletin · Unknown / Other · issued Oct 24, 2024
• This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
  20-NA-136 · Technical service bulletin · Power Train · issued Oct 24, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101K · Technical service bulletin · Unknown / Other · issued Oct 24, 2024
• This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Power Train · issued Oct 23, 2024
• This Preliminary information communicates the potential for dtc P2B81 to be set as current or in history due to increased friction in the wastegate valve.
  PIP6007 · Technical service bulletin · Engine · issued Oct 22, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101J · Technical service bulletin · Unknown / Other · issued Oct 22, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486H · Technical service bulletin · Unknown / Other · issued Oct 21, 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 service bulletin provides a procedure to correct radio software concerns.
  24-NA-108 · Technical service bulletin · Electrical System · 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 / Other · issued Oct 11, 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 / Other · issued Oct 9, 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 · Unknown / Other · 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 service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown / Other · issued Oct 3, 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 / Other · 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 / 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 / Other · issued Oct 2, 2024
• A new radio software update, version C157/C158, was released to service vehicles equipped with Infotainment system RPO IOR to correct conditions of radio software related issues.
  24-NA-209 · Technical service bulletin · Electrical System · issued Oct 2, 2024
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551P · Technical service bulletin · Forward Collision Avoidance · issued Oct 1, 2024
• This technical bulletin provides a procedure to correct the condition of Excessive Waviness, Wrinkling or Sag in the Sunroof Sunshade.
  24-NA-207 · Technical service bulletin · Structure · issued Oct 1, 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 a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
  23-NA-072 · Technical service bulletin · Power Train · issued Sep 27, 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 engineering information (EI) closure ends the need for requesting further information from technicians in regard to the Check Engine Lamp illuminated on Driver Information Cen…
  PIE0783C · Technical service bulletin · Engine · issued Sep 18, 2024
• This engineering information (EI Lite) closure ends the need for technicians to submit pictures using the FPR App process in regard to coolant leaking around the Coolant Control Va…
  PIE0782A · Technical service bulletin · Engine · issued Sep 18, 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 · Engine · 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 / Other · issued Sep 14, 2024
• This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
  PIP5974D · Technical service bulletin · Power Train · issued Sep 14, 2024
• This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable…
  PIE0794C · Technical service bulletin · Engine · issued Sep 13, 2024
• This Preliminary information communicates that a customer may come to the dealer complaining of a whining noise from the steering system. The dealer is advised not to perform any r…
  PIT5987A · Technical service bulletin · Steering · issued Sep 12, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101H · Technical service bulletin · Electrical System · 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 / 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 / Other · issued Sep 9, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101G · Technical service bulletin · Unknown / 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 / Other · issued Sep 6, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101F · Technical service bulletin · Unknown / Other · 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 / 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 a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
  24-NA-068 · Technical service bulletin · Electrical System · issued Aug 23, 2024
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Aug 22, 2024
• This service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · 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 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 · Electrical System · issued Aug 16, 2024
• This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model yea…
  PIT5481J · Technical service bulletin · Unknown / Other · issued Aug 16, 2024
• This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
  PIC6486G · Technical service bulletin · Electrical System · issued Aug 15, 2024
• This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable…
  PIE0794B · Technical service bulletin · Engine · issued Aug 14, 2024
• This technical bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passi…
  23-NA-164 · Technical service bulletin · Electrical System · issued Aug 14, 2024
• This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00,…
  23-NA-163 · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101E · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
  PIP5974B · Technical service bulletin · Power Train · issued Aug 13, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486F · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crank…
  PIP5712C · Technical service bulletin · Engine · issued Aug 13, 2024
• This Preliminary information communicates possible transmission 1-2-3-4-5-6 snap rings out of round causing code p0746 or p0747.
  PIP5974A · Technical service bulletin · Power Train · issued Aug 13, 2024
• This service bulletin provides information on the new oil filter UPF63R to be used on the HFV6 Engines.
  19-NA-020 · Technical service bulletin · Engine · issued Aug 12, 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 / 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
• Customer Satisfaction Program - certain vehicles may have a condition of a potential crack in the anchor bracket. Dealers are to replace both front caliper brackets.
  N242448390 · Service campaign · Service Brakes · 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 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 / 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
• vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of specification. Dealers are…
  N242446290-02 · Service campaign · Unknown / Other · issued Jul 30, 2024
• This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
  16-NA-158 · Technical service bulletin · Unknown / 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 service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.
  18-NA-115 · Technical service bulletin · Engine · 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 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 the technician that the purge pump part number has changed and limited supply.
  24-NA-123 · Technical service bulletin · Engine · issued Jun 28, 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 engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable…
  PIE0794A · Technical service bulletin · Engine · issued Jun 26, 2024
• Certain vehicles may have a condition in which the fasteners on the driver’s side Outside Rearview mirror are incorrectly torqued. Dealers will fasten the driver’s OSRV mirror to t…
  N242450210 · Service campaign · Unknown / Other · issued Jun 25, 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 / Other · issued Jun 18, 2024
• Service Update - certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of s…
  N242446290-01 · Service campaign · Unknown / 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 / 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 / Other · issued Jun 17, 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
• Service Update - Certain vehicles may have a condition in which the clutch backing plate retaining ring and/or the clutch piston retaining ring inside the transmission are out of s…
  N242446290 · Service campaign · Unknown / Other · issued Jun 13, 2024
• This engineering information (EI Lite) asks the technicians that if you encounter a vehicle where customers comment on having oil leaking from the oil pan that drives a warrantable…
  PIE0794 · Technical service bulletin · Engine · issued Jun 10, 2024
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp i…
  PIE0783B · Technical service bulletin · Engine · issued Jun 10, 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 / Other · issued Jun 5, 2024
• This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
  22-NA-193 · Technical service bulletin · Engine · issued Jun 4, 2024
• Upcoming Service Update Bulletin N242446290 – Expansion of Population
  N242446290 · Service campaign · Unknown / Other · issued May 30, 2024
• Customer Satisfaction Program - certain vehicles may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a …
  N242436241-02 · Service campaign · Electrical System · issued May 22, 2024
• This service bulletin provides information for engine oil life monitor operation calculation.
  18-NA-125 · Technical service bulletin · Engine · 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
• Customer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due to porosity around a mount bolt hole. De…
  N232433891 · Service campaign · Power Train · issued May 16, 2024
• Customer Satisfaction Program - Various vehicle makes and models listed may have a condition in which the transmission case leaks fluid due to porosity around a mount bolt hole. De…
  N232433890 · Service campaign · Fuel/propulsion System · 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 / Other · issued May 14, 2024
• This informational bulletin provides information for dealers/technicians on Updates Failing on K73 Telematics Control Module via SPS.
  24-NA-085 · Technical service bulletin · Electrical System · issued May 13, 2024
• Upcoming Service Update - Effective immediately, certain 2024 model year Buick Encore GX, Cadillac XT4, XT5, XT6, Chevrolet Blazer, Trailblazer, Traverse, Traverse Limited, GMC Aca…
  N242446290 · Technical service bulletin · Unknown / Other · issued May 13, 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 / Other · issued May 9, 2024
• This engineering information (EI) Lite closure ends the need for technicians to follow the FPR App process in regard to fluid and/or grease on the driver floor mat around the accel…
  PIE0776A · Technical service bulletin · Structure · issued May 8, 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 / 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 service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Electrical System · issued May 3, 2024
• This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
  20-NA-136 · Technical service bulletin · Power Train · 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 / 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 / Other · 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 / 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 information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Apr 25, 2024
• This service bulletin provides repair information to correct various functional concerns of the Instrument Cluster and DTC U0155.
  21-NA-054 · Technical service bulletin · Electrical System · issued Apr 22, 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 warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
  22-NA-038 · Technical service bulletin · Unknown / Other · issued Apr 12, 2024
• Emission Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles equipped with a 3.6L engine. The joint that connects the high-pressur…
  N242438850 · Technical service bulletin · Fuel System, Gasoline · issued Apr 11, 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 · Equipment · issued Apr 8, 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 engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the Check Engine Lamp i…
  PIE0783A · Technical service bulletin · Engine and Engine Cooling · issued Mar 27, 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 Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486E · Technical service bulletin · Equipment · issued Mar 22, 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 service bulletin provides repair information to correct a customer concerns of Radio Software issues.
  24-NA-060 · Technical service bulletin · Equipment · issued Mar 20, 2024
• This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
  PIT6105B · Technical service bulletin · Back Over Prevention · issued Mar 19, 2024
• This informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.
  23-NA-135 · Technical service bulletin · Power Train · issued Mar 19, 2024
• This Preliminary information communicates that a dealer may find code B1141 set in the BCM. The technician is advised to reprogram the BCM.
  PIT6100A · Technical service bulletin · Electrical System · issued Mar 18, 2024
• This technical bulletin provides a procedure replace the tappet that is located on the fuel door.
  22-NA-057 · Technical service bulletin · Equipment · issued Mar 18, 2024
• This PI states a vehicle may be encountered with a wind noise. The dealer is directed to reprogram the K9 Body Control Module with the latest calibrations available.
  PIT6093A · Technical service bulletin · Structure · issued Mar 15, 2024
• This Preliminary information communicates a customer may complain that when they open the liftgate it opens fully and then reverses to the closed position. The dealer technician is…
  PIT6104B · Technical service bulletin · Structure · issued Mar 15, 2024
• This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.
  PIT6116A · Technical service bulletin · Structure · issued Mar 14, 2024
• This engineering information (EI) closure ends the need for gathering further information from technicians in regard to Melted Burn Marks and/or Smoke Smell Coming from the Height …
  PIE0773B · Technical service bulletin · Electrical System · issued Mar 13, 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 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 a vehicle may be encountered with a grid type box showing at the front of the vehicle in the camera display. The dealer is advised that th…
  PIT6130 · Technical service bulletin · Back Over Prevention · issued Mar 8, 2024
• This Preliminary information communicates to the dealer that no hardware parts as needed to repair the vehicle and to follow programming procedure to repair and fix the codes that …
  PIP5961A · Technical service bulletin · Electrical System · issued Mar 6, 2024
• This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perfor…
  PIP5863B · Technical service bulletin · Exterior Lighting · issued Mar 5, 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 engineering information (EI Lite) is requesting technicians use the FPR App process in regard to finding coolant leaking around the Coolant Control Valve (CCV).
  PIE0782 · Technical service bulletin · Engine and Engine Cooling · issued Mar 1, 2024
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown / Other · issued Mar 1, 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 a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551N · Technical service bulletin · Forward Collision Avoidance · issued Feb 21, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486D · Technical service bulletin · Equipment · issued Feb 12, 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 · Engine and Engine Cooling · issued Feb 2, 2024
• This engineering information (EI) Lite is requesting technicians to follow the FPR App process in regards on fluid and/or grease on the driver floor mat around the acceleration ped…
  PIE0776 · Technical service bulletin · Equipment · issued Jan 31, 2024
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update th…
  PIT6097C · 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 provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
  23-NA-214 · Technical service bulletin · Engine and Engine Cooling · issued Jan 26, 2024
• This Preliminary information communicates information to help diagnose inoperative rear liftgate logo.
  PIT6116 · Technical service bulletin · Structure · issued Jan 24, 2024
• This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
  23-NA-072 · Technical service bulletin · Power Train · issued Jan 23, 2024
• This Preliminary information communicates to the dealer of a possible issue with the vehicle is that the code was set in error and will need a reset procedure performed to verify. …
  PIP5957 · Technical service bulletin · Equipment · issued Jan 19, 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 engineering information (EI) s requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/or…
  PIE0773A · Technical service bulletin · Equipment · 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 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 informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts…
  22-NA-240 · Technical service bulletin · Engine and Engine Cooling · issued Jan 11, 2024
• This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.
  PIP5824C · Technical service bulletin · Fuel System, Gasoline · issued Jan 8, 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 the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
  PIP5841D · Technical service bulletin · Power Train · issued Jan 5, 2024
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to Melted Burn Marks and/o…
  PIE0773 · Technical service bulletin · Electrical System · issued Dec 21, 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 · Electrical System · issued Dec 15, 2023
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
  PIT6097B · Technical service bulletin · Equipment · issued Dec 13, 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 Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
  PIT6097A · Technical service bulletin · Equipment · issued Dec 8, 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 Dec 8, 2023
• This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.
  23-NA-214 · Technical service bulletin · Engine and Engine Cooling · issued Dec 7, 2023
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
  PIT6097 · Technical service bulletin · Equipment · issued Dec 6, 2023
• Stop Delivery Order Await Communication: Reference Number N232429910
  N232429910 · Technical service bulletin · Equipment · issued Dec 1, 2023
• This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for kn…
  19-NA-256 · Technical service bulletin · Engine and Engine Cooling · issued Nov 29, 2023
• This technical bulletin provides repair information to correct a customer concern of Rear Driveline Module Audible Noise Heard Between 20-70MPH.
  23-NA-195 · Technical service bulletin · Power Train · issued Nov 20, 2023
• This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
  23-NA-021 · Technical service bulletin · Power Train · issued Nov 16, 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 · Exterior Lighting · issued Nov 16, 2023
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551M · Technical service bulletin · Forward Collision Avoidance · 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 · Wheels · issued Nov 6, 2023
• This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Equipment · issued Nov 2, 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 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 · Electrical System · issued Oct 25, 2023
• This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the …
  PIT5931C · Technical service bulletin · Back Over Prevention · 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 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 Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the …
  PIT5931B · Technical service bulletin · Back Over Prevention · 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 bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
  22-NA-038 · Technical service bulletin · Equipment · issued Oct 2, 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 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 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 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 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 · Power Train · 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 that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Revie…
  PIP5930 · Technical service bulletin · Equipment · issued Aug 30, 2023
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551L · Technical service bulletin · Forward Collision Avoidance · issued Aug 29, 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 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 informational bulletin advises the changes to some of the 9-speed automatic transmission oil control changes from previous years.
  23-NA-135 · Technical service bulletin · Power Train · 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 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 · Engine and Engine Cooling · issued Aug 10, 2023
• This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
  21-NA-181 · Technical service bulletin · Power Train · issued Aug 8, 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 diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Power Train · issued Aug 2, 2023
• This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only).
  20-NA-136 · Technical service bulletin · Power Train · issued Aug 2, 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 informational bulletin advises the changes to some of the 9-speed oil control changes from previous years.
  23-NA-135 · Technical service bulletin · Power Train · issued Jul 31, 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 · Engine and Engine Cooling · issued Jul 31, 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 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 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 information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Equipment Adaptive/mobility · 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
• 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…
  13-08-116-001I · Technical service bulletin · Electrical System · issued Jun 29, 2023
• This Preliminary information communicates that Parts that the ECS are on Restriction
  PIT6034 · Technical service bulletin · Equipment · issued Jun 26, 2023
• This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Jun 16, 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 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 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 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 / Other · issued Apr 25, 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 Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005V · Technical service bulletin · Equipment · 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 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 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 · Electrical System · issued Apr 3, 2023
• 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…
  05-06-04-022U · Technical service bulletin · Fuel System, Diesel · issued Mar 28, 2023
• This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.
  PIT5995 · Technical service bulletin · Child Seat · issued Mar 27, 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 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 · Structure · 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 · Fuel System, Gasoline · issued Mar 20, 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 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