Check Engine Light Displayed on Driver Information Center (DIC), Engine Cooling Fan Windmilling, DTC P0494 Set – 2020-2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Blazer

NHTSA ID Number: 10199263 Manufacturer Communication Number: 21NA088   Summary This service bulletin provides repair information to correct a customer concern of a Check Engine Light Displayed on Driver Information Center (DIC), Engine Cooling Fan Windmilling, DTC P0494 Set.     9 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2021 CADILLAC XT5 2020-2021 CADILLAC XT6 2021 … Read more

OnStar Voice Fallback Number Update – 2000-2015 Buick, Cadillac, Chevrolet, GMC, Pontiac

2015 GMC Terrain

NHTSA ID Number: 10201115 Manufacturer Communication Number: 15-NA-079   Summary OnStar Voice Fallback Number Update     1735 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2006-2009 BUICK CENTURY 2000-2005 BUICK ENCLAVE 2008-2015 BUICK ENCORE 2013-2015 BUICK LACROSSE 2005-2015 BUICK LESABRE 2000-2006, 2013 BUICK LUCERNE 2006-2012 BUICK PARK AVENUE 2000-2005 BUICK RAINIER 2003-2007 BUICK REGAL 2000-2005, 2008-2015 … Read more

Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated – DTC P0442 and/or P0455 Set – 2000-2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Camaro

NHTSA ID Number: 10198890 Manufacturer Communication Number: 21NA124   Summary This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.     1024 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK CENTURY 2000-2005 BUICK ENCLAVE … Read more

Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set – 2019-2022 Buick Cadillac Chevrolet GMC

2022 Chevrolet Blazer

NHTSA ID Number: 10205577 Manufacturer Communication Number: 21NA257   Summary This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.     36 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 2019-2022 CADILLAC XT5 … Read more

Liftgate Actuator Showing a Leaking Residue on Strut – 2018-2020 Buick Enclave & Chevrolet Traverse

2020 Buick Enclave

NHTSA ID Number: 10205583 Manufacturer Communication Number: 21NA264   Summary This informational bulletin provides information for dealers/technicians on a customer commenting on liftgate actuator showing a leaking residue on strut.     6 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018-2020 CHEVROLET TRAVERSE 2018-2020   Condition Some customers may comment on seeing a leak, or residue … Read more