Service bulletins for the 2012 Buick Enclave
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.
1570 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Transmission control module are shown. Show all
| PIP4653E | 2017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicle that have a Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0601, P0603, P0604, P062F or P1621 stored in the Transmission Control Module. Technician will need to ensure that the Diagnostic Trouble Codes are set in the Transmission Control Module. If the Diagnostic Trouble Codes are only set in the Transmission Control Module reprogram the Transmission Control Module. |
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| PIT4429D | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have a power lift-gate that is inoperative from all the switches and the keyless entry transmitter only with the ignition in the off position. Technician will need to check for battery voltage on circuit 5985 going to the Engine Control Module and to the Transmission Control Module. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.