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
Only bulletins with component: Automatic transmission are shown. Show all
| PI-1343-C | 2016-08-09. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION BULLETIN PROVIDES A PROCEDURE TO RESET THE TRANSMISSION ADAPTS AND TEST DRIVE THE VEHICLE TO CORRECT A CUSTOMER CONCERN ON A HARSH (DETENT) 6-4 DOWNSHIFT. |
|---|---|
| PI1344B | 2016-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by the Clutch Select Solenoid Valve 2 (359), located in the lower valve body, sticking in its bore resulting in a 4th gear start. Note: This condition can be very intermittent and difficult to duplicate. |
| PI1343A | 2016-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5065A | 2016-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5009F | 2016-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| SB-PIP-4793-F | 2016-06-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| SB-PIP-5059 | 2016-06-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PI1051A | 2016-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| CSP-14043 | 2016-05-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. 14043 - CUSTOMER SATISFACTION. CERTAIN VEHICLES, EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (MW7), MAY HAVE BEEN BUILT WITH AN INCORRECT TRANSMISSION THRUST BEARING. OVER TIME, THIS BEARING COULD FAIL, RESULTING IN NOISE AND POOR TRANSMISSION OPERATION. DEALERS ARE TO REPLACE THE THRUST BEARING. |
| PIE0240 | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP4560N | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP4560P | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP4560R | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP4793G | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP4793H | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5012C | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5012D | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5021 | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5021A | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5021B | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5065C | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5065D | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5068A | 2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5113 | 2016-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIP5113A | 2016-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.