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TOPIC : GMC

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Lift Gate Adjustment

Some owners of 2010-2014 GMC Terrain vehicles may complain about a rattle noise from the rear lift gate on rough roads. This may be caused by insufficient contact between the left gate wedges or the latch contacting the striker.

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TPMS Recall

General Motors issues a recall on certain 2018 GMC Savana and Chevy Express vehicles with certain combinations of front tire and gross vehicle weight option codes. The tire pressure monitoring system may be incorrectly calibrated, causing the TPMS warning light to illuminate when tire pressure reaches 37 psi, not 41 psi.

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Baffling Fix

Some owners of 2007-2013 GMC Acadia vehicles may comment that the fuel gauge does not go to empty and the engine runs out of fuel, or they may hear a fuel slosh or noise from the fuel tank area when braking or accelerating from a stop.

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Savana Trans Noise

Owners of a 2008-2013 GMC Savana equipped with a 4L60E, 4L65E or 4L70E transmission may comment that the transmission makes a squawk or grunt type noise when shifting from 2nd to 3rd gear.

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GMC Mystery

This bulletin applies to 2014 GMC Sierra 2500/3500 4WD vehicles. In “rare” cases, customers may experience one or all of eight issues ranging from no vehicle power to radio clock resets.

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Code Plays a Joke

This bulletin applies to 2007-2013 GMC Yukon and Sierra vehicles. DTC B2555 may be found in a driver and/or passenger door module (DDM or PDM). This DTC is associated with front driver and passenger door panel courtesy lights that are only available on certain models.

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Trans Relieving Itself?

This bulletin applies to 2010-2013 GMC Terrain trucks that exhibit an automatic transmission fluid leak. The technician may find fluid leaking from the torque converter housing and the torque converter seal. 

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Wet Chevy Switch

This bulletin applies to 2013 Chevy Equinox and GMC Terrain vehicles, built before 9/6/2012. Customers may comment on any one of the following conditions:

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Don’t Let the Code Fool You

This bulletin applies to 2007-2012 GMC Acadia vehicles. A “Service Stability” message may appear on the driver’s information center as a result of DTC C0561 set in the electronic brake control module (EBCM). The EBCM receives messages from the other modules over GMLAN which are needed to perform ABS, VSES and/or TCS functions.

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GM Ajar Message

This bulletin applies to 2013 Chevy Equinox and GMC Terrain vehicles built before 9-6-2012. The customer may experience an intermittent theft deterrent alarm, horn or hood ajar message.

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