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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
24-NA-2642024-12-20. Service bulletin. POWER TRAIN. This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
24-NA-2622024-12-20. Service bulletin. POWER TRAIN. This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
24-NA-2592024-12-20. Service bulletin. UNKNOWN OR OTHER; VISIBILITY/WIPER. This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
PIT6265B2024-12-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdated to communicate properly.
22-NA-2382024-12-19. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
17-NA-3742024-12-19. Service bulletin. ENGINE. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
08-07-30-035I2024-12-19. Service bulletin. POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
24-NA-2022024-12-19. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
23-NA-2022024-12-18. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
23-NA-1512024-12-18. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
19-NA-2192024-12-17. Service bulletin. ENGINE. This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
18-NA-1802024-12-17. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
PIT63042024-12-17. Service bulletin. SUSPENSION. This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 caused by a pinched air inlet hose to the suspension compressor air leveling system.
PIT5985G2024-12-17. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM. This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed over the air update.
PIE0800A2024-12-17. Service bulletin. ENGINE. This engineering information (EI) closure ends the need for requesting further information from technicians in regard to having the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC).
24-NA-2582024-12-17. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTC P24D6 or P0F37.
PIT5832S2024-12-16. Service bulletin. ENGINE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
24-NA-2312024-12-16. Service bulletin. STRUCTURE:BODY. This technical bulletin provides a procedure to correct the condition of Front Headlamp Moldings Loose.
24-NA-1432024-12-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
PIT6054C2024-12-16. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY; ELECTRICAL SYSTEM. This Preliminary information communicates that the inner tailgate cannot be disabled if the vehicle is not equipped with passive entry.
24-NA-1132024-12-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
PIT6015C2024-12-16. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
PIT62932024-12-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates if a customer and service tech encounter this issue, verify the switch assembly and continue with repairs.
24-NA-2492024-12-14. Service bulletin. SEATS. This technical bulletin provides a procedure to correct the condition of Front Seat Covers Not Secured to Seat Frame.
24-NA-1522024-12-14. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION; EXTERIOR LIGHTING. This bulletin offers Information on Intellibeam Inop, Auto High Beam Headlamps, Side Blind Zone Inop, and/or Side Object Detection Inop.

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