2026 GMC Yukon XL service bulletins & manufacturer communications
206 manufacturer communications are on file with NHTSA for the 2026 GMC Yukon XL. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 202Service campaign 4
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629F · Technical service bulletin · Unknown / Other · issued Sep 10, 2026
- This preliminary information communicates diagnostic tips for air leveling suspension system.PIT5801F · Technical service bulletin · Unknown / Other · issued Sep 10, 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 is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be u…PIT6544 · Technical service bulletin · Unknown / Other · issued Sep 2, 2026
- This PI communicates information to inform customer that Engineering is aware of concern where the heated seats are inoperative when interior temp is above 86°F and are working on …PIT6539 · Technical service bulletin · Unknown / Other · issued Sep 2, 2026
- This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.PIT6533B · Technical service bulletin · Unknown / Other · issued Aug 28, 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…PIT6503E · Technical service bulletin · Unknown / Other · issued Aug 27, 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 communicationPIT6541 · Technical service bulletin · Unknown / Other · issued Aug 27, 2026
- This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.PIT6516C · Technical service bulletin · Unknown / Other · issued Aug 27, 2026
- • Improves transmission diagnostic software. • Reduces unnecessary check engine light activations. • Improved braking performance and reduced unnecessary messages and alerts663.20 · Technical service bulletin · Unknown / Other · issued Aug 27, 2026
- This PI provides a diagnostic tip when fuse F4DR is opening and dealerships are to inspect the wiring at the center console lid.PIT5869B · Technical service bulletin · Unknown / Other · issued Aug 26, 2026
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452E · Technical service bulletin · Unknown / Other · issued Aug 22, 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…PIT6503D · Technical service bulletin · Unknown / Other · issued Aug 21, 2026
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesPIC6551C · Technical service bulletin · Unknown / Other · issued Aug 20, 2026
- This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.PIT6533A · Technical service bulletin · Unknown / Other · issued Aug 14, 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…PIT6503C · Technical service bulletin · Unknown / Other · issued Aug 12, 2026
- This preliminary information is to inform technicians to not replace any parts and the vehicle is still operational. The PI will be converted to a bulletin when the repair is avail…PIT6515A · Technical service bulletin · Unknown / Other · issued Aug 12, 2026
- This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.PIT6368D · Technical service bulletin · Unknown / Other · issued Aug 5, 2026
- This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.PIT6512A · Technical service bulletin · Unknown / Other · issued Aug 3, 2026
- This PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no…PIT6517C · Technical service bulletin · Unknown / Other · issued Jul 30, 2026
- This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.PIT6533 · Technical service bulletin · Unknown / Other · issued Jul 30, 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
- This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a…PIT6300C · Technical service bulletin · Unknown / Other · issued Jul 24, 2026
- This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.PIT6446A · Technical service bulletin · Unknown / Other · issued Jul 24, 2026
- PI to help diagnose A/C concernPIT5099J · Technical service bulletin · Unknown / Other · issued Jul 21, 2026
- This PI provides diagnostic tips for diagnosing electric trailer brakes issues.PIT5509N · Technical service bulletin · Unknown / Other · issued Jul 21, 2026
- • Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically b…663.10 · Technical service bulletin · Unknown / Other · issued Jul 16, 2026
- This Preliminary Bulletin was created to assist the technician to a issue where the Drivers door is out of alignment with the door latch and how to correct the concernPIT6481C · Technical service bulletin · Unknown / Other · issued Jul 9, 2026
- This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…PIT6288J · Technical service bulletin · Unknown / Other · issued Jun 29, 2026
- This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…PIT6476C · Technical service bulletin · Unknown / Other · issued Jun 29, 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
- • Fixes to help prevent blank center display and camera image loss • Expanded availability for Super Cruise662.10 · Technical service bulletin · Unknown / Other · issued Jun 19, 2026
- This preliminary information is to inform technicians and customers that the HUD will not retain its current settings. No parts should be replaced.PIT6520 · Technical service bulletin · Unknown / Other · issued Jun 18, 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…PIT6503B · Technical service bulletin · Unknown / Other · issued Jun 17, 2026
- This PI informs General Motors dealers that programming for the Image Processing Module is currently unavailable and provides the process to obtain required programmingPIT6506A · Technical service bulletin · Unknown / Other · issued Jun 10, 2026
- This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…PIT6132E · Technical service bulletin · Unknown / Other · issued Jun 9, 2026
- This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…PIT6288H · Technical service bulletin · Unknown / Other · issued Jun 8, 2026
- This PI communicates information on isolating a wind noise from the driver front door.PIT6493C · Technical service bulletin · Unknown / Other · issued Jun 8, 2026
- This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software i…PIT6477C · Technical service bulletin · Unknown / Other · issued Jun 5, 2026
- Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.PIT6426B · Technical service bulletin · Unknown / Other · issued Jun 5, 2026
- • Improvements to help prevent loss of audio, including chimes and turn signal indicator sound • Reduced brightness of front passenger display at night661.60 · Technical service bulletin · Unknown / Other · issued Jun 3, 2026
- • Improvements to help prevent loss of audio, including chimes and turn signal indicator sound • The rear passenger display will prompt you to add headphones when that is the selec…661.50 · Technical service bulletin · Unknown / Other · issued Jun 3, 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
- If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.PIT6426A · Technical service bulletin · Unknown / Other · issued May 22, 2026
- This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.PIT6516B · Technical service bulletin · Unknown / Other · issued May 21, 2026
- This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…PIT6366C · Technical service bulletin · Unknown / Other · issued May 21, 2026
- This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…PIT6215C · Technical service bulletin · Unknown / Other · issued May 21, 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 is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.PIT6393L · Technical service bulletin · Unknown / Other · issued May 14, 2026
- This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…PIT6476B · Technical service bulletin · Unknown / Other · issued May 14, 2026
- This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.PIT6516A · Technical service bulletin · Unknown / Other · issued May 13, 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 provide GM dealers with information on gathering information for projection issuePIC6423A · Technical service bulletin · Unknown / Other · issued May 11, 2026
- This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issuesPIC6551B · Technical service bulletin · Unknown / Other · issued May 11, 2026
- This Preliminary information communicates ordering process for the night vision camera that are on restriction for all listed vehicles for Technical Assistance review.PIT6516 · Technical service bulletin · Unknown / Other · issued May 8, 2026
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629E · Technical service bulletin · Unknown / Other · issued May 8, 2026
- This preliminary information is to inform technicians to not replace any parts and the vehicle is still operational. The PI will be converted to a bulletin when the repair is avail…PIT6515 · Technical service bulletin · Unknown / Other · issued May 4, 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 PI communicates that the u013A code setting requires no repairs on Export Vehicles.PIT6514 · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
- This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.PIT6393K · Technical service bulletin · Unknown / Other · issued Apr 28, 2026
- This Preliminary information communicates an issue with a replace or low FOB battery messagePIT6511 · Technical service bulletin · Unknown / Other · issued Apr 25, 2026
- This PI communicates information on isolating a wind noise from the driver front door.PIT6493B · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
- • Improvements to reliability when extending the running boards on your vehicle.661.30 · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629D · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
- This Preliminary information communicates to the technician the diagnostic direction needed when the customer complains of SuperCruise Subscription Required Message Displayed on In…PIT6508 · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
- This PI informs General Motors dealers that programming for the Image Processing Module is currently unavailable and provides the process to obtain required programmingPIT6506 · Technical service bulletin · Unknown / Other · issued Apr 21, 2026
- This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…PIT6288G · Technical service bulletin · Unknown / Other · issued Apr 21, 2026
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452D · Technical service bulletin · Unknown / Other · issued Apr 21, 2026
- This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are…PIT6505 · Technical service bulletin · Unknown / Other · issued Apr 16, 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 PI communicates information on isolating a wind noise from the driver front door.PIT6493A · Technical service bulletin · Unknown / Other · issued Apr 14, 2026
- This message is to inform dealers that Service Update bulletin N252521591, is being temporarily suspended for the models above equipped with RPO UKL or UK0. Involved vehicles will …N252521591 · Technical service bulletin · Unknown / Other · issued Apr 10, 2026
- This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…PIT6288F · Technical service bulletin · Unknown / Other · issued Apr 1, 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
- • Fixes to reduce activations of Automatic Emergency Braking Disabled light. • Improvements to availability for Lane Keep Assist. • Fixes to help ensure proper functionality for Br…661.20 · Technical service bulletin · Unknown / Other · issued Mar 27, 2026
- This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.PIT6368C · Technical service bulletin · Unknown / Other · issued Mar 27, 2026
- This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…PIT6476A · Technical service bulletin · Unknown / Other · issued Mar 26, 2026
- • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on w…661.10 · Technical service bulletin · Unknown / Other · issued Mar 17, 2026
- This preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset but…PIT6413A · Technical service bulletin · Unknown / Other · issued Mar 17, 2026
- Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will re-program the IPM or Front View Camera depending on what the vehicle…N252521591-04 · Technical service bulletin · Unknown / Other · issued Mar 11, 2026
- This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.PIT6110J · Technical service bulletin · Unknown / Other · issued Mar 9, 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 is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.PIT6393J · Technical service bulletin · Unknown / Other · issued Mar 6, 2026
- This PI communicates information on isolating a wind noise from the driver front door.PIT6493 · Technical service bulletin · Unknown / Other · issued Mar 5, 2026
- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…PIT6394E · Technical service bulletin · Unknown / Other · issued Mar 5, 2026
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629C · Technical service bulletin · Unknown / Other · issued Mar 5, 2026
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ssPIT6425D · Technical service bulletin · Unknown / Other · issued Mar 2, 2026
- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…PIT6394D · Technical service bulletin · Unknown / Other · issued Feb 26, 2026
- This Preliminary information communicates that Engineering is working on a resolution and no parts should be replaced at this time.PIT6490 · Technical service bulletin · Unknown / Other · issued Feb 26, 2026
- This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a …PIT6300B · Technical service bulletin · Unknown / Other · issued Feb 20, 2026
- This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.PIT6456D · Technical service bulletin · Unknown / Other · issued Feb 20, 2026
- PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.PIT6415A · Technical service bulletin · Unknown / Other · issued Feb 19, 2026
- A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…PIT6394C · Technical service bulletin · Unknown / Other · issued Feb 17, 2026
- This preliminary PI was created to advise technians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in…PIT6477B · Technical service bulletin · Unknown / Other · issued Feb 17, 2026
- This PI identifies an issue where a loose Body Control module ground on the A pillar could cause various electrical issues related to the hood latch or a door latchPIT6484 · Technical service bulletin · Unknown / Other · issued Feb 11, 2026
- Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will re-program the IPM or Front View Camera depending on what the vehicle…N252521591-03 · Service campaign · Unknown / Other · issued Feb 11, 2026
- Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will reprogram the Image Processing Module.N252521591-02 · Service campaign · Unknown / Other · issued Feb 10, 2026
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452C · Technical service bulletin · Unknown / Other · issued Feb 7, 2026
- This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.PIT6456C · Technical service bulletin · Unknown / Other · issued Feb 3, 2026
- This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software i…PIT6477A · Technical service bulletin · Unknown / Other · issued Jan 30, 2026
- This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.PIT6456B · Technical service bulletin · Unknown / Other · issued Jan 29, 2026
- This P/I is advising that the TCM should not be replaced for DTC P16F4 and to follow the repair instructions.PIP6099A · Technical service bulletin · Unknown / Other · issued Jan 28, 2026
- This Preliminary information communicates to the field about a normal condition about a message that appears when using a NFC card to start the vehicle when a key fob or a digital …PIT6478 · Technical service bulletin · Unknown / Other · issued Jan 28, 2026
- This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, …PIT5985K · Technical service bulletin · Unknown / Other · issued Jan 27, 2026
- This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software i…PIT6477 · Technical service bulletin · Unknown / Other · issued Jan 26, 2026
- This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…PIT6476 · Technical service bulletin · Unknown / Other · issued Jan 26, 2026
- This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the cust…PIT5907E · Technical service bulletin · Unknown / Other · issued Jan 23, 2026
- This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.PIT6465D · Technical service bulletin · Unknown / Other · issued Jan 22, 2026
- This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data pull.PIP6099 · Technical service bulletin · Unknown / Other · issued Jan 20, 2026
- This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.PIT6456A · Technical service bulletin · Unknown / Other · issued Jan 20, 2026
- This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…PIT6400A · Technical service bulletin · Unknown / Other · issued Jan 16, 2026
- This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'sPIT6425C · Technical service bulletin · Unknown / Other · issued Jan 16, 2026
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452B · Technical service bulletin · Unknown / Other · issued Jan 16, 2026
- This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided. When a fix is available, this PI will be updated to…PIT6471 · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
- This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…PIT5993F · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
- This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.PIT6344A · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
- This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided. When a fix is available, this PI will be updated to…PIT6471 · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
- This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.PIT6465C · Technical service bulletin · Unknown / Other · issued Jan 15, 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 an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.PIT6465B · Technical service bulletin · Unknown / Other · issued Jan 8, 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 communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…PIT5828E · Technical service bulletin · Unknown / Other · issued Jan 7, 2026
- This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.PIT6276B · Technical service bulletin · Unknown / Other · issued Jan 5, 2026
- This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is s…PIT6459A · Technical service bulletin · Unknown / Other · issued Jan 5, 2026
- This Preliminary information communicates to dealers a procedure to reset the radio.PIC6540F · Technical service bulletin · Unknown / Other · issued Dec 31, 2025
- This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change.PIT6445B · Technical service bulletin · Unknown / Other · issued Dec 19, 2025
- This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.PIT6465A · Technical service bulletin · Unknown / Other · issued Dec 15, 2025
- • Fixes to help ensure proper functionality for Brake Assist. • Fixes to help ensure successful vehicle software updates. During the update process, your radio may stay on up to 5 …654.10 · Technical service bulletin · Unknown / Other · issued Dec 12, 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
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629B · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
- This preliminary information communicates an issue with the DRL LED strips flickering and dealer are to replace the lighting control module.PIT6465 · Technical service bulletin · Unknown / Other · issued Dec 11, 2025
- This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idlin…PIT6224B · Technical service bulletin · Unknown / Other · issued Dec 4, 2025
- This preliminary information communicates an issue with programming error while try to complete N252521591 and provide info on how to complete the programming.PIT6462 · Technical service bulletin · Unknown / Other · issued Nov 26, 2025
- This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…PIT6132D · Technical service bulletin · Unknown / Other · issued Nov 26, 2025
- This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is s…PIT6459 · Technical service bulletin · Unknown / Other · issued Nov 26, 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 communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.PIT6456 · Technical service bulletin · Unknown / Other · issued Nov 24, 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
- Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will reprogram the Image Processing Module.N252521591-01 · Service campaign · Unknown / Other · issued Nov 20, 2025
- Certain vehicles listed above may have a condition in which hard braking may unexpectedly engage. Dealers will reprogram the Image Processing Module.N252521591 · Service campaign · Unknown / Other · issued Nov 19, 2025
- This preliminary information communicates an issue with a Service Brake system message and DTC C0597 C055F. Dealers are to replace the brake master cylinder.PIT6450A · Technical service bulletin · Unknown / Other · issued Nov 14, 2025
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452A · Technical service bulletin · Unknown / Other · issued Nov 13, 2025
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629A · Technical service bulletin · Unknown / Other · issued Nov 13, 2025
- This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at timesPIT6452 · Technical service bulletin · Unknown / Other · issued Nov 12, 2025
- This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC displayPIC6629 · Technical service bulletin · Unknown / Other · issued Nov 11, 2025
- This preliminary information communicates an issue with a Service Brake system message and DTC C0597. Dealers are to replace the brake master cylinder.PIT6450 · Technical service bulletin · Unknown / Other · issued Nov 7, 2025
- This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.PIT6446 · Technical service bulletin · Unknown / Other · issued Nov 3, 2025
- This preliminary information communicates an issue with the brake system control module calibrations not being available when the GM dealership installed brake kit RPO 5JL and expl…PIT6441A · Technical service bulletin · Unknown / Other · issued Oct 30, 2025
- PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being investigated.PIP6091 · Technical service bulletin · Unknown / Other · issued Oct 30, 2025
- This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change.PIT6445A · Technical service bulletin · Unknown / Other · issued Oct 30, 2025
- This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.PIT6446 · Technical service bulletin · Unknown / Other · issued Oct 29, 2025
- This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…PIT5993E · Technical service bulletin · Unknown / Other · issued Oct 22, 2025
- This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a di…PIT6234A · Technical service bulletin · Unknown / Other · issued Oct 22, 2025
- This PI communicates information that the Collision / Detection Systems will revert to default setting of Alert and Brake after an Ignition Cycle due to an Engineering change.PIT6445 · 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'sPIT6425B · 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'sPIT6425A · Technical service bulletin · Unknown / Other · issued Oct 17, 2025
- This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…PIT6366A · Technical service bulletin · Unknown / Other · issued Oct 11, 2025
- This preliminary information communicates an issue with the brake system control module calibrations not being available when the GM dealership installed brake kit RPO 5JL and expl…PIT6441 · Technical service bulletin · Unknown / Other · issued Oct 8, 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 information provides software update information for the K73 Telematics module to correct the symptoms described.PIT6437 · Technical service bulletin · Unknown / Other · issued Oct 1, 2025
- This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.PIC6607B · Technical service bulletin · Unknown / Other · issued Sep 27, 2025
- If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.PIT6426 · Technical service bulletin · Unknown / Other · issued Sep 15, 2025
- This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …PIT5479H · Technical service bulletin · Unknown / Other · issued Sep 9, 2025
- New Vehicle Monitoring Programs Section in IVH13598 · Technical service bulletin · Unknown / Other · issued Sep 9, 2025
- This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.PIC6607A · Technical service bulletin · Unknown / Other · issued Sep 8, 2025
- This preliminarily information communication an issue with the supercruise dropping out when next to a merging lane and engineering is investigating.PIT6431 · Technical service bulletin · Unknown / Other · issued Sep 8, 2025
- This informational bulletin provides information on Automated Brake Bleed and/or Brake Hydraulic Test procedure fails when attempting to perform either procedure.25-NA-264 · Technical service bulletin · Service Brakes · issued Sep 3, 2025
- This Preliminary information communicates possible causes for battery draw concernPIT6427 · Technical service bulletin · Unknown / Other · issued Aug 29, 2025
- This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.PIT5854D · Technical service bulletin · Unknown / Other · issued Aug 26, 2025
- This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low…PIT6236B · Technical service bulletin · Unknown / Other · issued Aug 22, 2025
- This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.PIP6068A · Technical service bulletin · Unknown / Other · issued Aug 19, 2025
- This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.PIT6368B · Technical service bulletin · Unknown / Other · issued Aug 15, 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 when performing a night vision camera learn the image can not be turned on. This provides a work around while the issue is being …PIT6422 · Technical service bulletin · Unknown / Other · issued Aug 8, 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
- PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.PIT6415 · Technical service bulletin · Unknown / Other · issued Jul 30, 2025
- This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…PIT6212D · Technical service bulletin · Unknown / Other · issued Jul 29, 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 communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…PIT5074S · Technical service bulletin · Unknown / Other · issued Jul 16, 2025
- This Preliminary information communicates Engineering is investigating a no audio issue.PIT6101S · Technical service bulletin · Unknown / Other · issued Jun 29, 2025
- This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.PIT5832V · Technical service bulletin · Unknown / Other · issued Jun 26, 2025
- This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to…PIT6401 · Technical service bulletin · Unknown / Other · issued Jun 19, 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 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 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 to dealers steps to follow to obtain an IOK radio.PIC6602C · Technical service bulletin · Unknown / Other · issued May 29, 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
- This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regar…25-NA-118 · Technical service bulletin · Forward Collision Avoidance · issued May 8, 2025
- This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in ot…15-NA-010 · Technical service bulletin · Engine · issued May 7, 2025
- This warranty administration bulletin provides 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 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 information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.PIP6008E · Technical service bulletin · Unknown / Other · issued Apr 16, 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 service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.25-NA-087 · Technical service bulletin · Electrical System · issued Apr 3, 2025
- The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…13-08-116-001K · Technical service bulletin · Electrical System · issued Mar 31, 2025
- This 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 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