2014

Higher Than Expected Oil Consumption at 8600 GVW and Above – 2000-2022 Chevrolet GMC HUMMER

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2019 Chevrolet Silverado

NHTSA ID Number: 10219277 Manufacturer Communication Number: 03-06-01-023F Summary This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.   Information on Engine Oil Consumption Guidelines All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. … Read more

Warranty Administration – Field Action Courtesy Transportation Policy – GM Passenger Cars and Trucks

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2018 Chevrolet Corvette

NHTSA ID Number: 10166638 Manufacturer Communication Number: 17NA073 Summary This warranty administration bulletin provides information regarding the field action courtesy transportation policy.   1176 Affected Products Vehicles MAKE MODEL YEAR BUICK CENTURY 1995, 2001 BUICK ENCLAVE 2008-2020 BUICK ENCORE 2013-2020 BUICK ENVISION 2016-2020 BUICK LACROSSE 2007, 2010, 2012-2019 BUICK LESABRE 1995-1998, 2002 BUICK LUCERNE 2006-2011 BUICK PARK … Read more

Rough Idle Crank No Start Extended Crank Or Misfire Due to Excessive Carbon On Top of the Valves or Sticking Valves – GM Passenger Cars & Trucks

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2017 Chevrolet Suburban

NHTSA ID Number: 10176607 Manufacturer Communication Number: 16NA383 Summary This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.   1174 … Read more

Information on Diesel Exhaust Fluid (DEF) – 2011-2021 Chevrolet & GMC

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2018 Chevrolet Silverado

NHTSA ID Number: 10183127 Manufacturer Communication Number: 16NA244   Summary This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.   SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-244 Date: November, 2020 INFORMATION Subject: Information on Diesel Exhaust Fluid (DEF) Brand: Model: Model Year: VIN: Engine: Transmission: from to from to … Read more

SES light with DTCs P2635 and/or P018B setting in high ambient temperatures – 2014-2017 Cadillac Chevrolet & GMC

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2016 Cadillac Escalade

NHTSA ID Number: 10123268 Manufacturer Communication Number: PIP5411F Summary This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel … Read more