Guidelines When Changing Tire And Wheel Size – 2003-2020 General Motors Light Duty Trucks / Utilities / Vans

2020 Chevrolet Suburban

NHTSA ID Number: 10184105 Manufacturer Communication Number: PIT3271K   Summary This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use … Read more

Repair Information for Reconnection of Rear Window Defroster Contact or Tab – 2000-2015 GM Passenger Cars and Trucks

2015 Chevrolet Corvette

NHTSA ID Number: 10126237 Manufacturer Communication Number: 030848006J   Summary This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.     Soldering Defroster Contact Tabs In many cases the terminal tab will still be in the connector when you examine the vehicle. For 2007-2014 Chevrolet Tahoe, Suburban, GMC Yukon … Read more

Information for Electrical Ground Repair – 2020 and Prior GM Passenger Cars and Trucks

2020 Chevrolet Silverado

NHTSA ID Number: 10163268 Manufacturer Communication Number: 100845001G   Summary This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.     Electrical Ground Repair Overview Proper electrical system function relies on secure, stable and corrosion-free electrical ground connections. Loose, stripped, or corroded connections increase the possibility of improper system … Read more

Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks – All GM Passenger Cars & Light Duty Trucks/Utilities

2017 Chevy Silverado

NHTSA ID Number: 10083512 Manufacturer Communication Number: PIC5260A   Summary THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE’S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.     Condition Intermittent sunroof operation, bind, noise, auto-reverse, and/or water leaks.   Cause: Dirt and debris may collect on the sunroof seal or … Read more

Intermittent Malfunction Indicator Lamp (MIL) Illuminated, DTC P2138 with Reduced Engine Power (Repair Instrument Panel (IP) to Body Harness Connector) – 2018 and Prior GM Passenger Cars and Light Duty Trucks

2018 Chevrolet Silverado

NHTSA ID Number: 10139090 Manufacturer Communication Number: 070604019F   Summary This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.     Condition Intermittent malfunction indicator lamp (MIL) being Illuminated with a … Read more