Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set – 2000-2022 GM Passenger Cars and Trucks

Chevrolet Buick GMC Cadillac

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

AC Blows Warm or Poor Performance – 2020-2021 GM

General Motors

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

2-3 Upshift Slip or Flare – 2006-2023 Cadillac Chevrolet GMC Hummer

General Motors

NHTSA ID Number: 10222832 Manufacturer Communication Number: 22-NA-185 Summary This informational bulletin explains how the trans slip or flare can be a normal condition.   Condition Some customers may comment on a 2-3 upshift slip or flare.   Cause This condition is a NORMAL characteristic of the transmission, it will not cause durability concerns and no repair … Read more

Information on New Torque Specification and Installation Procedure for ACDelco Spin-On Oil Filters – GM Passenger Cars and Trucks

General Motors

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

Passenger I/P Airbag Assembly Parts Restriction – 2007-2014 Cadillac Chevrolet GMC

2014 Chevrolet Tahoe

NHTSA ID Number: 10193478 Manufacturer Communication Number: PIT5821   Summary This Preliminary information communicates information on a parts restrictions for the passenger air bag.     53 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE ESV 2007-2014 CHEVROLET AVALANCHE 2007-2013 CHEVROLET SILVERADO 1500 2007-2013 CHEVROLET SUBURBAN 2007-2014 CHEVROLET TAHOE 2007-2014 GMC SIERRA 1500 2007-2013 GMC YUKON DENALI … Read more