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 2011 Buick Regal models equipped with the 6T40/45 automatic transmission, built on or before Jan. 15, 2011.
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.
Some owners of 2010 Buick Enclave vehicles may complain about inoperative low-beam headlamps. According to GM, do not replace the headlamp assembly. Replace the bulb and inspect the connector as follows:
Owners of 2010-2014 Buick LaCrosse and 2014 Regal GS AWD models may comment on a squeak or chirp noise from the rear of the vehicle, noticeable at low speeds with the window open. This is likely a squeak at the axle-to-seal interface due to a lack of lubrication.
Owners of 2011-2012 Buick Regal models (equipped with variable assist power steering) may complain that the steering wheel is difficult to turn at low speeds. The cause may be a variable effort power steering solenoid valve connector that was installed backward/reversed at the rack and pinion connector on the frame.
Some owners of 2008 Buick Allure, LaCrosse and Lucerne vehicles equipped with the 3800 engine (VIN Code 2) may comment that the SES light is on.
Some owners of 2008-2013 Buick Enclave AWD vehicles may comment that while switching lanes at highway speeds, there is a slight rear-end sway feel, sometimes described as feeling like driving in a cross-wind.
This bulletin applies to 2010-2013 Buick Regal models, in addition to a number of 2009-2013 GM vehicles. The vehicle may experience a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperatures.
This bulletin applies to 2013 Buick Encore FWD vehicles only. A customer may comment that the fuel gauge is operational but will not go past 7/8 full after filling the gas tank. Upon diagnosis, no codes will be found in current or history and the scan tool data matches the ECM data for the fuel level.
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