(HYBRID) eAssist Red Battery Light and Possible Engine Stall Due to Lack of 12V Battery Charge with P0562 – 2012-2015 Buick & Chevrolet

2015 Buick LaCrosse

NHTSA ID Number: 10126242 Manufacturer Communication Number: PI1381   Summary This preliminary informational bulletin provides a procedure to reprogram the HPCM to correct the customer concern of a no charge, jump start and/or vehicle stalling.     Condition/Concern Multiple warning indicators including a Battery Lamp and Service Charging System message with P0562. This may be caused by … Read more

DTC C0544 and/or U0415 Set and Will Not Clear – 2012-2013 Buick Chevrolet GMC

2013 Chevrolet Equinox

NHTSA ID Number: 10126211 Manufacturer Communication Number: PI0800D   Summary This preliminary bulletin provides a procedure to reprogram the power steering module to correct the customers concern of the MIL on and a drop in power steering assist.     Condition/Concern Malfunction Indicator Lamp (MIL) on and a drop in power steering assistance. DTC C0544 with fault … Read more

Inoperative Sub-Woofer – 2010-2015 Chevrolet Equinox & GMC Terrain

2015 Chevrolet Equinox

NHTSA ID Number: 10070569 Manufacturer Communication Number: PIT4915D Summary Customers complain that their subwoofer is inoperative. Models with a 4 cylinder engine are equipped with an Active Noise Cancellation (ANC) system. ANC system works with the vehicle’s audio system to cancel out torque converter clutch (TCC) noise.     Condition/Concern Some customers with a 2.4L engine and … Read more

Cooling System Contaminated With Engine Oil – 2010-2021 Buick Cadillac Chevrolet GMC

2020 Buick Enclave

NHTSA ID Number: 10198879 Manufacturer Communication Number: 21NA108   Summary This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil.     Condition Engine is overheating. One or more of the following conditions:   Cause This condition may be caused by a leakage from the … Read more

Information on Engine Oil Consumption Guidelines – GM Passenger Cars & Gasoline-Powered Light Duty Trucks

General Motors

NHTSA ID Number: 10222734 Manufacturer Communication Number: 01-06-01-011M Summary This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.   All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. When a piston moves down its cylinder, a … Read more