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Service bulletins for the 2012 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.

2268 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PI0235E2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This preliminary information bulletin provides a procedure to re-align the exhaust pipe and replace the gasket to eliminate an exhaust leak or vibration/rattle noise heard approximately 900 RPM, fuel smell, white smoke, oily substance on the exhaust downpipe.
00-03-10-002G2018-04-23. Service bulletin. WHEELS. This informational bulletin provides information on the appearance of chromed aluminum wheels due to chemical staining, pitting corrosion and/or spotted.
07-08-49-020H2018-04-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This technical service bulletin provides a revision for 07-08-49-020G to add the 2014 model year and update model list.
12-02-32-002A2018-04-23. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING. This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
13-02-32-001A2018-04-23. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. This technical bulletin provides a revision for 13-02-32-001 to update the models information.
070849020M2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
150089005A2018-04-23. Service bulletin. EQUIPMENT; ENGINE. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
150089004B2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
12-08-132-001D2018-04-23. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
16-NA-1192018-04-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
02-07-30-029T2018-04-16. Service bulletin. EQUIPMENT. This informational bulletin provides information on the replacement process for the product quality center.
12-07-30-001B2018-04-16. Service bulletin. POWER TRAIN. This informational bulletin provides information for service agents not required to contact product quality center for CNG, LPG or gasoline engine, transmission and/or transfer case.
13-08-116-0012018-04-16. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
00-03-10-006I2018-04-16. Service bulletin. TIRES. This informational bulletin provides information on tire radial force variation.
08-08-48-003G2018-04-16. Service bulletin. VISIBILITY:WINDSHIELD. This technical bulletin provides a procedure for adding double sided tape on the right and left windshield side reveal moldings to remove tapping, clicking or ticking type noise.
10-08-61-001B2018-04-16. Service bulletin. STRUCTURE. This informational bulletin provides information on the body mount bolt being stripped or will not loosen.
09-06-04-026F2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on suspected tampering on vehicles modifications for identifying non GM ECM calibrations.
08-06-04-006L2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information suspected tampering on vehicles modifications for identifying non GM ECM calibrations.
PI0534A2018-04-16. Service bulletin. BACK OVER PREVENTION; VEHICLE SPEED CONTROL. This preliminary informational bulletin provides information on dignostics for a whine noise at varies engine speeds.
08-08-51-002A2018-04-16. Service bulletin. STRUCTURE:BODY. This informational bulletin provides information pre-painting/cleaning process for TPO plastic fascias.
09-08-66-011B2018-04-16. Service bulletin. EQUIPMENT. This informational bulletin provides information on mounting points for the pickup box accessories.
03-00-89-013H2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on a update for the Electronic Component Exchange Program (U.S. and Canada Only)
10-00-89-006C2018-04-16. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: RADAR. This informational bulletin provides directions on submitting different PIRs
13-00-89-004E2018-04-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides a revision of 13-00-89-004D to include updated information.
08-08-44-015D2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary bulletin explains physical damage to radios and IPCs must be reviewed and validated if covered under GM warranty or not.

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