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Key Code Security Rules and Information on GM KeyCode Look-Up Application Canada Only – 2014 and Prior GM Cars Trucks

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2014 Chevrolet Camaro

NHTSA ID Number: 10130567 Manufacturer Communication Number: 10-00-89-010C   Summary This informational bulletin provides information on key codes security rules and information on GM key code look up application.   Where Are Key Codes Located? General Motors provides access to KeyCodes through three sources when a vehicle is delivered to a dealer. Vehicle KeyCodes are located on … Read more

Key Code Security Rules and Information on GM KeyCode Look-Up Application – GM Passenger Cars & Trucks

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General Motors

NHTSA ID Number: 10169357 Manufacturer Communication Number: 100089009D Summary This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.   GM KeyCode Look-Up Application Please note that the KeyCode Access site is restricted. Only authorized users are allowed to access the application. Please see your Partner Security Coordinator (PSC) for … Read more

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

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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

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

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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

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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