NHTSA ID Number: 10219266 Manufacturer Communication Number: 20-NA-065 Summary This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.   Condition Some customers may comment that the MIL is illuminated. Technicians may find one or ... Read more

The post Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set – 2000-2022 GM Passenger Cars and Trucks first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10216361 Manufacturer Communication Number: PIT5099F Summary This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.   Condition / Concern Customer may comment that ... Read more

The post AC Blows Warm or Poor Performance – 2020-2021 GM first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10222796 Manufacturer Communication Number: 22-NA-009 Summary This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.   Condition Some customers or dealers may comment on an oil leak coming from underneath the front of the vehicle after a prior oil service was performed. This leak can ... Read more

The post Information on New Torque Specification and Installation Procedure for ACDelco Spin-On Oil Filters – GM Passenger Cars and Trucks first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10195303 Manufacturer Communication Number: TSB-013 Summary Engine Backfire and Related Driveability Issues   This bulletin is being issued to assist technicians in efficiently diagnosing and correcting backfire and other related driveability concerns. When a vehicle is identified with a backfire it is recommended that the checks listed below be followed in the indicated order. ... Read more

The post Engine Backfire and Related Driveability Issues – 1999-2002 Chevrolet & GMC B7 School Bus Chassis, C6/C7 Conventional Cab Medium Duty first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10201115 Manufacturer Communication Number: 15-NA-079   Summary OnStar Voice Fallback Number Update     1735 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE 2006-2009 BUICK CENTURY 2000-2005 BUICK ENCLAVE 2008-2015 BUICK ENCORE 2013-2015 BUICK LACROSSE 2005-2015 BUICK LESABRE 2000-2006, 2013 BUICK LUCERNE 2006-2012 BUICK PARK AVENUE 2000-2005 BUICK RAINIER 2003-2007 BUICK REGAL 2000-2005, 2008-2015 ... Read more

The post OnStar Voice Fallback Number Update – 2000-2015 Buick, Cadillac, Chevrolet, GMC, Pontiac first appeard on GM - OEMDTC and is written by oemdtc