GMC

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

by
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

by
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

by
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

Check Engine Light On, Fuel Tank Hard to Fill, DTCs P0442, P0446, P0455 or P0449 Set – 1999-2010 Chevrolet & GMC

by
2010 Chevrolet Silverado

NHTSA ID Number: 10035764 Manufacturer Communication Number: SB-02-06-04-0371   Summary CHEVROLET/GMC: CHECK ENGINE LIGHT ON, FUEL TANK HARD TO FILL, DTCS P0442, P0446, P0455 OR P0449 SET (REPLACE EVAPORATIVE EMISSION (EVAP) VENT VALVE SOLENOID ASSEMBLY AND ADD/RELOCATE FILETER BOX USING SERVICE KIT). *PE     Condition Check engine light illuminated. Difficult to fill with fuel or when … Read more

Airbag Light On, DTC B0071 and B0081 Set – 2005-2010 Buick Cadillac Chevrolet GMC Pontiac Saturn HUMMER

by
2010 Chevrolet Silverado

NHTSA ID Number: 10034404 Manufacturer Communication Number: SB-07-09-41-010A   Summary BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). UPON INVESTIGATION, THE TECHNICIAN MAY FIND DTC B0071 SET IN THE PASSENGER PRESENCE SYSTEM (PPS) AND A DTC B0081 IN THE SENSING AND DIAGNOSTICS MODULE (SDM). *PE     … Read more