2025 GMC Sierra 3500 Technical Service Bulletins

362 technical service bulletins (TSBs) are on record for the 2025 GMC Sierra 3500. 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.

• 11026715Dec 16, 2025Other or unknown. This Preliminary information communicates that this concern is being root caused and no repairs should be attempted at this time
• 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
• 11026603Dec 8, 2025Other or unknown. This PI communicates information that the customers fifth wheel hitch may not latch into the factory box mounted hitch due to a supplier quality concern. Dealer is to replace box mounted hitch to correct.
• 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
• 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.
• 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
• 11025575Nov 11, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11025572Nov 11, 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
• 11025453Nov 3, 2025Other or unknown. This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
• 11024787Oct 31, 2025Other or unknown. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
• 11024780Oct 30, 2025Other or unknown. This PI communicates to dealer technicians that DTC P0381 is under investigation and to clear the DTC and return the vehicle to the customer.
• 11024768Oct 29, 2025Other or unknown. This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
• 11024705Oct 23, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11024703Oct 22, 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.
• 11024700Oct 22, 2025Other or unknown. 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 diagnostic tip to inform dealership to inspect for this aftermarket device.
• 11024699Oct 21, 2025Other or unknown. This Preliminary information communicates to dealer to contact TAC for a specific display issue.
• 11024697Oct 20, 2025Other or unknown. This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
• 11024463Oct 18, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11024460Oct 18, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024455Oct 17, 2025Other or unknown. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
• 11024458Oct 16, 2025Other or unknown. This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
• 11024454Oct 14, 2025Other or unknown. This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
• 11024466Oct 9, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11024441Oct 7, 2025Other or unknown. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
• 11024439Oct 4, 2025Other or unknown. The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
• 11023339Sep 15, 2025Other or unknown. This preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
• 11023157Sep 9, 2025Other or unknown. 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 substance is actually excess assembly grease from the caliper boot and piston.
• 11023156Sep 9, 2025Other or unknown. This preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that engineering is working on a fix.
• 11023091Sep 9, 2025Other or unknown. New Vehicle Monitoring Programs Section in IVH
• 11023142Sep 8, 2025Other or unknown. This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
• 11024330Sep 6, 2025Engine. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
• 11022088Aug 15, 2025Other or unknown. This Preliminary information communicates a new tailgate feature which allows the customer to enable or disable the inner tailgate.
• 11022082Aug 15, 2025Other or unknown. This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
• 11022080Aug 15, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11022084Aug 14, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
• 11022068Aug 8, 2025Other or unknown. This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
• 11021792Aug 7, 2025Other or unknown. 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 security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
• 11021308Jul 31, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
• 11021285Jul 30, 2025Other or unknown. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
• 11021312Jul 29, 2025Other or unknown. 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 is causing DTC C1114 to set.

← All problems reported for the 2025 GMC Sierra 3500