Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada) – GM Passenger Cars and Light Duty Trucks

2016 Chevrolet Silverado 3500

NHTSA ID Number: 10187627 Manufacturer Communication Number: 090604026S   Summary This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.   405 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2017, 2019 BUICK ENCLAVE 2012-2021 BUICK ENCORE 2019, 2021 BUICK ENCORE GX 2021 BUICK ENVISION 2017-2019, 2021 BUICK … Read more

Wind Buffeting Drone Type Noise And/Or Body Pressure Booming And/Or Water Leak – 2015-2018 Cadillac Chevrolet GMC

2018 Chevrolet Tahoe

NHTSA ID Number: 10143455 Manufacturer Communication Number: PIT5318E Summary This Preliminary Information communication provides information to the technician on a concern of wind buffeting noise and/or water leak.Technician is to follow the steps to apply vibration control material between the sunroof roof bow and the roof sheet metal.   16 Affected Products Vehicles MAKE MODEL YEAR CADILLAC … Read more

Diagnostic Tip – Service Trailer Brake Message With DTC C1115 C1116 C1117 Or C1118 – 2014-2015 Chevrolet Silverado & GMC Sierra

2015 Chevrolet Silverado

NHTSA ID Number: 10059079 Manufacturer Communication Number: PIT-5449   Summary GMC/CHEVROLET: ON SOME TRUCKS, MESSAGE APPEARS IN DIC REGARDING SYMPTOM OF AN INTERMITTENT SERVICE TRAILER BRAKE AND DIAGNOSTIC TROUBLE CODES (DTC) ARE SET IN CHASSIS CONTROL MODULE. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SIERRA, SILVERADO.   4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2015 … Read more

Upgrading an IO5 Non-Navigation Radio to an IO6 Navigation Radio – 2014-2015 Chevrolet Silverado & GMC Sierra

2015 Chevrolet Silverado

NHTSA ID Number: 10138138 Manufacturer Communication Number: 15-08-44-002   Summary This informational bulletin provides technicians with information on upgrading an IO5 non-navigation radio to an IO6 navigation radio.   5 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2014 CHEVROLET SILVERADO 2500 2015 GMC SIERRA 1500 2014 GMC SIERRA 2500 2015 GMC SIERRA DENALI 2015   … Read more

Excessive Engine Oil Consumption – 2011 Chevrolet Equinox & GMC Terrain

2011 Chevrolet Equinox

NHTSA ID Number: 10118905 Manufacturer Communication Number: GCUS-9-4004   Summary 15285D – Special Coverage. Some vehicles, equipped with a 2.4L engine, may exhibit excessive engine oil consumption (less than 2,000 miles per quart of engine oil), due to piston ring wear. If this condition is present, the oil can light may illuminate on the instrument panel or … Read more