Information on Water or Ethylene Glycol in Transmission Fluid – 2019 and Prior GM Passenger Cars and Light Duty Trucks

2019 Chevrolet Camaro

NHTSA ID Number: 10161968 Manufacturer Communication Number: 080730035D Summary This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.   746 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK CENTURY 2005 BUICK ENCLAVE 2008-2019 BUICK ENCORE 2013-2019 BUICK ENVISION 2016-2019 BUICK LACROSSE 2005-2019 BUICK LESABRE 2005-2006 BUICK LUCERNE 2006-2012 … Read more

Repair Information for Reconnection of Rear Window (Defroster) Contact or Tab – 2015-2020 Cadillac Chevrolet & GMC

2020 Chevrolet Tahoe

NHTSA ID Number: 10187373 Manufacturer Communication Number: 16NA171   Summary This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair.   36 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2020 … Read more

Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at a Steady State – 2015-2019 Cadillac Chevrolet GMC

2018 Chevrolet Corvette

NHTSA ID Number: 10154635 Manufacturer Communication Number: 16NA175   Summary This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. May be described as driving over rumble strips or … Read more

Service Programming System (SPS) Errors (E4398, E4399, E4403, M4404 M4413, E4414, E4423 or E4491) – 2016 and Prior GM Passenger Cars and Light Duty Trucks

General Motors

NHTSA ID Number: 10222841 Manufacturer Communication Number: PI0592G Summary This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).   Service Programming System (SPS) Errors Reference the specific SPS programming error (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or … Read more

Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start – GM Passenger Cars and Light Duty Trucks

2017 Buick Regal

NHTSA ID Number: 10198847 Manufacturer Communication Number: 19NA044   Summary This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.     593 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2008-2021 BUICK ENCORE 2013-2021 BUICK ENCORE GX 2020-2021 BUICK ENVISION … Read more