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Requesting a New Key Code for Customer with Lost or Stolen Keys – 2022 and Prior GM Passenger Cars and Trucks

June 14, 2022December 14, 2015 by oemdtc

NHTSA ID Number: 10205744 Manufacturer Communication Number: 120089002E Summary This service bulletin provides the dealer with information on what to do when requesting a new key code for the customer. Lost or Stolen Keys In the event of lost or stolen keys, the customer may request to have a new key code or new key …

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

January 31, 2023December 9, 2015 by oemdtc

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 …