Reduced Propulsion Power without DTCs on Higher Mileage Vehicles (with P1.4 Cell Chemistry) – 2011-2012 Chevrolet & Opel/Vauxhall

2012 Chevrolet Volt

NHTSA ID Number: 10161888 Manufacturer Communication Number: 19NA049 Summary This technical bulletin provides repair information to correct a customer concern of reduced propulsion power without DTCs on higher mileage vehicles (with P1.4 Cell Chemistry).   2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET VOLT 2011-2012     SEOCONTENT-START Bulletin No.: 19-NA-049 Date: May, 2019 Service Bulletin TECHNICAL … Read more

Throttle Body – Reduced Power Mode – 2008-2012 Buick Cadillac Chevrolet GMC Hummer Pontiac Saturn

2012 GMC Canyon

NHTSA ID Number: 10135171 Manufacturer Communication Number: GCUS-9-1009   Summary 14582A – Special Coverage (2012 model year Buick Enclave, Lacrosse, Regal; Chevrolet Traverse, and GMC Acadia vehicles have been removed). On some various model year vehicles, the throttle-position sensor may cause the engine to run rough, cause the malfunction-indicator lamp and/or an engine reduced power message to … Read more