GMC

Bi-Fuel Gasoline and Compressed Natural Gas (CNG) Pickup Trucks – 2013 Chevrolet Silverado 2500HD & GMC Sierra 2500HD

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2013 Chevrolet Silverado

NHTSA ID Number: 10113592 Manufacturer Communication Number: PI0834A   Summary This preliminary informational bulletin provides information on the introduction of the 2013 Chevrolet Silverado and GMC Sierra Bi-Fuel gasoline and Compressed Natural Gas (CNG) pickup trucks (U.S. and Canada only) to help the Service Department Personnel become familiar with some of the vehicle’s new features and to … Read more

Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission – 2010-2016 Chevrolet Express, Silverado & GMC Savana, Sierra

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2016 Chevrolet Silverado 3500

NHTSA ID Number: 10138701 Manufacturer Communication Number: 12-06-04-002C   Summary This informational bulletin provides general information and helpful guidelines to use when diagnosing and repairing diesel exhaust fluid related DIC warnings and messages. Diesel exhaust fluid related DTCs, P207F, P20EE, P2BAD, P249D, P249E or P202E. If the correct reset procedure is not followed, message may remain.   … Read more

Information on Higher Than Expected Oil Consumption – 2001-2016 Chevrolet GMC with 6.6L Duramax

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2016 Chevrolet Silverado 3500

NHTSA ID Number: 10137617 Manufacturer Communication Number: 02-06-01-027D   Summary This informational bulletin provides information on higher then expected oil consumption.   Information on Engine Oil Consumption Guidelines for the 6.6L Duramax Diesel Engine All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston … Read more

Information on New Refrigerant (R-1234yf) for A/C Service – 2013-2019 GM Passenger Cars and Trucks

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2019 Chevrolet Corvette

NHTSA ID Number: 10135245 Manufacturer Communication Number: 120137001B   Summary This informational bulletin provides information to dealership personnel on a new refrigerant (R-1234yf) for A/C service.     Product Description R-1234yf is a new environmentally friendly refrigerant that has a 99.7% lower Global Warming Potential (GWP) than R-134a. The new refrigerant is considered mildly flammable and has … Read more

General Motors Dealership Critical Equipment Requirements and Recommendations – GM Passenger Cars and Trucks

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NHTSA ID Number: 10220308 Manufacturer Communication Number: 05-00-89-029E Summary This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.   Critical Equipment As established in the Dealer Sales and Service Agreement, in addition to required essential service tools, the dealer agrees to provide such other tools and equipment as reasonably necessary to fulfill … Read more