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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
25-NA-1562025-12-04. Service bulletin. WHEELS. This service bulletin provides information on Tire Sidewall Irregularities.
25-NA-1502025-12-04. Service bulletin. ENGINE. This bulletin provides a procedure to check and replace the oil cooler seals before just replacing the oil cooler, for an oil leak.
PIT6132D2025-12-03. Service bulletin. UNKNOWN OR OTHER. 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.
PIC66302025-12-03. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to recover an IOK radio.
PIT64562025-12-03. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
PIT64572025-12-03. Service bulletin. UNKNOWN OR OTHER. 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.
24-NA-2622025-12-03. Service bulletin. POWER TRAIN. This bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the concern noted.
07-08-42-006U2025-12-03. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
00-06-01-026R2025-12-03. Service bulletin. ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
PIT5214G2025-11-28. Service bulletin. UNKNOWN OR OTHER. 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. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
PIT6406D2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
PIT64552025-11-28. Service bulletin. UNKNOWN OR OTHER. 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.
PIC6602P2025-11-28. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIP60922025-11-28. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises dealers that Engine Control Module designation E01 is on a ordering restriction through technical assistance.
N2525079902025-11-18. Service campaign. UNKNOWN OR OTHER. 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.
PIP5981G2025-11-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIT6452A2025-11-17. Service bulletin. UNKNOWN OR OTHER. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
PIT64522025-11-17. Service bulletin. UNKNOWN OR OTHER. This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
PIC6602N2025-11-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIC6629A2025-11-17. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIC66292025-11-17. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
25-NA-1522025-11-15. Service bulletin. SUSPENSION. this bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock.
PIP5865J2025-11-10. 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.
PIT64462025-11-10. Service bulletin. UNKNOWN OR OTHER. This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
PIT64492025-11-03. Service bulletin. UNKNOWN OR OTHER. PI created to inform customers and dealers of a normal operating characteristic

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