2025 GMC Sierra 1500 Technical Service Bulletins

455 technical service bulletins (TSBs) are on record for the 2025 GMC Sierra 1500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11028857Feb 12, 2026Other or unknown. This Preliminary information communicates information to direct to GM Upfitter bulletin 193 or 205 depending on trim level for installation instructions for the 9L7 Upfitter Switches.
• 11028704Feb 7, 2026Other or unknown. The document makes technicians aware of a valvetrain tick noise that is created by one or more soft lifters. The soft lifter concern is due to manufacturing debris within the lifter when it was manufactured. The document instructs the technician to replace the soft lifter(s) and the rocker arm it operates.
• 11028703Feb 7, 2026Other or unknown. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
• 11028701Feb 7, 2026Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11028697Feb 3, 2026Other or unknown. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
• 11027942Jan 29, 2026Other or unknown. This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake camshaft.
• 11027937Jan 29, 2026Other or unknown. This Preliminary information communicates to dealer to contact TAC for a specific display issue.
• 11027925Jan 29, 2026Other or unknown. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
• 11027934Jan 28, 2026Other or unknown. This Preliminary information communicates to dealers that these programing concerns are being looked into.
• 11027932Jan 27, 2026Other or unknown. 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, failure over the air update, etc.
• 11027930Jan 26, 2026Other or unknown. 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 connections and for any aftermarket devices.
• 11027883Jan 23, 2026Other or unknown. This Preliminary information communicates to the field about The NFC key card not being available on the listed models listed in the PI
• 11027882Jan 23, 2026Other or unknown. 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 customers complaint. A software update will be available to repair these flase DTC's
• 11027877Jan 20, 2026Other or unknown. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
• 11027698Jan 16, 2026Other or unknown. 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 getting product from current supplier listed in the bulletin.
• 11027697Jan 16, 2026Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11027696Jan 16, 2026Other or unknown. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
• 11027695Jan 16, 2026Other or unknown. This Preliminary information communicates the possibility of injector related DTC's with malfunction indicator lamp on and potential rough idle
• 11027692Jan 15, 2026Other or unknown. This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
• 11027661Jan 15, 2026Other or unknown. Service Update. Certain vehicles listed above may have a condition where the front upper control arm ball stud nut may be loose or missing. Dealers will inspect, and if necessary, tighten or install a new front upper control arm ball stud nut.
• 11027701Jan 14, 2026Other or unknown. This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
• 11027686Jan 12, 2026Other or unknown. 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 anything being replaced.
• 11027614Jan 10, 2026Other or unknown. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
• 11027601Jan 8, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11027600Jan 7, 2026Other or unknown. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
• 11027599Jan 7, 2026Other or unknown. This Preliminary information communicates information to direct the dealer or upfitter to GM Upfitter Bulletin 203 for information on installing the Universal Vehicle Module.
• 11027598Jan 5, 2026Other or unknown. This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
• 11026923Dec 31, 2025Other or unknown. This Preliminary information communicates to dealers a procedure to reset the radio.
• 11026924Dec 30, 2025Other or unknown. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended and reinstating the PI.
• 11026721Dec 17, 2025Other or unknown. This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
• 11026713Dec 15, 2025Other or unknown. This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage caused by possible contact with the EGR cooler outlet pipe or the duct bracket.
• 11026600Dec 12, 2025Other or unknown. 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 anything being replaced.
• 11026599Dec 12, 2025Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11026492Dec 4, 2025Other or unknown. 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 idling.
• 11026489Dec 2, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11026488Dec 2, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
• 11026071Nov 26, 2025Other or unknown. 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 material to correct the noise.
• 11026068Nov 26, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
• 11026062Nov 25, 2025Other or unknown. 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 anything being replaced.
• 11026067Nov 24, 2025Other or unknown. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
• 11025755Nov 20, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 11025753Nov 20, 2025Other or unknown. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
• 11025752Nov 20, 2025Other or unknown. This PI communications information that Engineering is investigating the Service Driver Assist message with current DTC B1B2F Telematics Control Module and U1624 Image Processing Control Module setting.
• 11025749Nov 19, 2025Other or unknown. This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
• 11025750Nov 18, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11025603Nov 18, 2025Other or unknown. Certain vehicles listed above may have a condition in which the jack kit lifting rod is out of specification. Dealers will replace the jack handle components.
• 11025580Nov 13, 2025Other or unknown. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
• 11025574Nov 13, 2025Other or unknown. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
• 11025577Nov 12, 2025Other or unknown. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
• 11025575Nov 11, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

← All problems reported for the 2025 GMC Sierra 1500