Some customers may comment on a fluid leak under the front of the GM vehicle. The technician may find fluid leaking from the power steering system.
This bulletin applies to 2012-2013 Buick Regal and Lacrosse vehicles with eAssist. A hum or buzz noise may be heard from the right front service brake when driving straight or when turning, along with a Service Brake Assist message displayed, and DTCs C027B or C0040.
This bulletin applies to 2012-2013 Buick Regal models equipped with eAssist. A buzz or hum may be heard in the right front, possibly when turning or driving straight. The ABS MIL may be on or Service Brake Assist message may be displayed. DTCs C027B or C0040 may be stored.
Some 2008-2009 Buck LaCrosse, Buick Allure and Chevy Impala vehicles may exhibit an inaccurate fuel gauge and/or DTC P0461.
Customers may complain of a SES light, misfire, DTC P0300, and/or a chirp, squeak, squeal or tick noise -- which may mean a potential valvetrain concern.
This bulletin applies to a handful of GM models including 2013-1014 Buick Encore, 2009-2011 Chevy Aveo, 2011-2014 Chevy Cruze, 2012-2014 Chevy Sonic and 2013-2014 Chevy Trax, all equipped with a four-cylinder engine.
Some owners of 2010-2011 Buick LaCrosse vehicles equipped with a 3.6L V6 engine built prior to VIN BF358708 may comment that the MIL is illuminated within the first 60 seconds of operation after a cold start. A revised calibration has been developed to address this condition. No driveability concern is present, and the technician may find DTC P0300 through P0306 (random misfire counts).
This bulletin applies to 2010-2011 Buick LaCrosse models equipped with the 3.6L V6 engine, built prior to VIN breakpoint BF358708. Some customers may comment that the MIL is illuminated within the first 60 seconds of operation after a cold start.
This bulletin applies to 2013-2014 Buick Encore vehicles, as well as a host of 2010-1014 GM models. A customer may note that the vehicle’s brake lights remain on when the vehicle is off and parked, and/or the battery goes dead.
Owners of 2006-2011 Buick Lucerne vehicles may complain that the battery goes dead when the vehicle is parked. Battery electrical drain/parasitic load testing may reveal an abnormally high current draw that is traced to the F12 BCM LOGIC fuse (2006-2007 models), BCN fuse 19 (2008 models) and BCM fuse 32 (2009-2011) located in the rear fuse block. The problem may seem intermittent.
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