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Service bulletins for the 2008 Chevrolet Malibu

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.

1078 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
PI-04482011-06-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GM: MALFUNCTION LIGHT IS ON WITH FOUR POSSIBLE TROUBLE CODES STORED. *RM
PIP-4653 B2010-03-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). BUICK/CHEVROLET/HUMMER/GMC/PONTIAC/CADILLAC/SATURN: TECHNICIANS MAY FIND DTCS P0601, P0603, P0604, P062F OR P1621 STORED IN THE TCM AS AN ACTIVE OR A HISTORY CODE. SOME OF THESE DTCS CAN ALSO BE SET IN THE ECM OR FPCM. MAKE SURE THAT YOU KNOW WHICH MODULE (FOR EXAMPLE ECM, FPCM OR TCM) HAS SET THE DTC BEFORE ATTEMPTING TO DIAGNOSE AND REPAIR THIS CONDITION. *PE UPDATED 8/1/11. *PE
PIC-4679B2008-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: INTERMITTENT SES LIGHT, DTC P2101 WITH POTENTIALLY MULTIPLE OTHER DTC'S SET. THIS CONDITION COULD BE CAUSED BY A PCM CIRCUIT SHORTED TO GROUND. *PE
PIP-44552008-11-25. Service bulletin. ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GMC: MALFUNCTION INDICATOR LAMP ON. THE TRANSMISSION CONTROL MODULE (TCM) WILL NOT OPERATE AS A RESULT OF SYSTEM VOLTAGE SPIKES WHICH WILL AFFECT COMMUNICATION LINES. *PE

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