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Service bulletins for the 2025 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

759 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC6602B2025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP60602025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to technicians diagnostics for 8 speed transmission shudders caused by a potential engine concern and/or a possible faulty HO2S sensor 1
PIT6356A2025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
PIC6587B2025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
PIT6362B2025-05-20. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
PIT63782025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates to dealership technicians to not replace any parts at this time for the error 302. They can communicate to the customer for the work around at this time.
PIT63812025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue where the trailer tire pressures are showing the incorrect tire pressures due to a software anomaly
PIT6192C2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with the engine harness chaffing on an a/c pipe causing communication issues.
PIP5865D2025-05-19. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6367A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
PIT6212C2025-05-19. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6215B2025-05-19. Service bulletin. UNKNOWN OR OTHER. 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 reprogram the module and correct this.
PIP5810C2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.
PIC6602A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
N2525031002025-05-06. Service campaign. UNKNOWN OR OTHER. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
N242451390-032025-05-06. Service campaign. UNKNOWN OR OTHER. On certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
23-NA-1512025-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
13-02-32-001H2025-05-06. Service bulletin. STEERING. This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
07-00-89-037W2025-05-05. Service bulletin. UNKNOWN OR OTHER. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
PIC66022025-05-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6331B2025-05-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with Supercruise where the vehicle may not stay centered in the lane at times due to a software amonaly.
PIC6587A2025-05-05. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
PIT6368A2025-05-05. Service bulletin. UNKNOWN OR OTHER. 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.
25-NA-0872025-05-02. Service bulletin. ELECTRICAL SYSTEM. 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.
22-NA-1832025-05-01. Service bulletin. WHEELS. This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.