Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTC C0455 and/or C0710 Set – 2007-2017 Cadillac Chevrolet GMC

2017 Chevrolet Express

NHTSA ID Number: 10118978 Manufacturer Communication Number: PI0639D   Summary This preliminary bulletin provides a procedure to install adhesive back stock to the electrical connector for the steering wheel position sensor, to eliminate the excessive clearance/movement that causes the connector to loose contact and turns the Service Stabilitrak message on in DIC. DTC C0455 and/or C0710 may … Read more

Brake Pedal Moves Or Self Applies At Full Turns – 1998-2023 Cadillac Chevrolet GMC Hummer

General Motors

NHTSA ID Number: 10226382 Manufacturer Communication Number: PIT3665L Summary This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.   Condition / Concern On vehicles with a Hydro-Boost System, customers may notice during full … Read more

Rear and Side Tempered Glass Spots (Quench Marks) – GM Passenger Cars and Trucks

2017 Chevy Volt

NHTSA ID Number: 10184504 Manufacturer Communication Number: PI0754D   Summary This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.   SEOCONTENT-START Bulletin No.: PI0754D Date: Nov-2020 Subject: Rear and Side Tempered Glass Spots (Quench Marks) Models: 2021 and Prior GM Passenger Cars and Trucks Attention: This … Read more

HVAC Mode Actuator Cam Gear Alignment is Incorrect After Replacement – 2002-2009 Buick Chevrolet GMC

Buick Chevrolet GMC

NHTSA ID Number: 10226383 Manufacturer Communication Number: PIT3033B Summary This Preliminary Information communication provides information to the technician that the Cam gear alignment can be incorrect after replacing the HVAC mode actuator.   Condition / Concern Cam gear alignment is incorrect after replacing the HVAC mode actuator.   Recommendations / Instructions Remove white cam gear and silver shaft … Read more

Fuel and Oil Additives – Facts and Myths – Maximizing Gasoline Fuel Economy – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222765 Manufacturer Communication Number: 05-00-89-072F Summary This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.   Sustainable energy use meets our present energy needs without compromising the ability of future generations to meet theirs. Almost all of the cars and trucks we drive run on fuels derived … Read more