This bulletin applies to GM vehicles equipped with HFV6 engines (3.0L and 3.6L LF1, LFW, LLT and LFX). Affected vehicles include 2010-2014 Buick Enclave and LaCrosse, Cadillac ATS, CTS, SRX and XTS, Chevy Camaro, Caprice, Equinox, Impala and Traverse and GMC Acadia and Terrain.
This bulletin applies to a host of 2010-2014 GM vehicles (Chevy, Buick, Cadillac, GMC). A customer may comment that the vehicle brake lights remain on with the vehicle off and the battery going dead while parked.
This bulletin applies to 2012 Cadillac Escalade ESV hybrid models that stores any of the following DTCs:
Some owners of 2010 Cadillac SRX vehicles may complain about an inoperative power liftgate. During diagnosis, you may find DTC B153A set in the power liftgate control module.
Owners of 2007-2010 Cadillac Escalade vehicles may comment that the air bag light is illuminated. Upon investigation, the technician may find DTC B0071 set in the passenger presence system (PPS) and a DTC B0081 in the sensing and diagnostics module (SDM).
Owners of 2010-2012 Cadillac SRX models may comment that they hear a clunk or fluid sloshing noise from the rear of the vehicle when coming to a stop, which might initially appear to be suspension related.
This bulletin applies to 2010-2011 Cadillac DTS models equipped with the 4T80E automatic transmission and built after Feb. 1, 2010. A final gear whine noise at speeds between 15-30 mph may be heard. This condition may be caused by the transaxle final gear drive.
You may experience a 2007-2012 Cadillac Escalade, ESV or EXT that has a P0633 DTC set in the ECM. Also, the Tech 2 will not be able to clear the DTC.
Owners of a 2009 Cadillac Escalade Hybrid equipped (built before 9-2-2008) with a 6.0L engine may complain of an engine misfire, oil consumption, and/or an SES light.
This bulletin applies to 2011 Cadillac DTS models. Some customers may complain about door locks cycling while driving, an intermittent no-start, a Service Stabilitrak DIC message and the speedometer and tachometer freezing while driving.
Sign up for a FREE subscription to Auto Service Professional magazineSubscribe