HUMMER

AC Blows Warm or Poor Performance – 2020-2021 GM

by
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

by
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

by
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

2022 Chevrolet GMC

by
2022 Chevrolet Suburban

NHTSA ID Number: 10206731 Manufacturer Communication Number: PIT5876   Summary This Preliminary information communicates to GM dealer that GM engineering is aware of and working on a solution to the map pop up concern     5 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SUBURBAN 2022 CHEVROLET TAHOE 2022 GMC HUMMER EV 2022 GMC YUKON 2022 GMC … Read more

Default Volume Too Low on Google Assistant, Call Volume and/or Navigation – 2022 Chevrolet GMC

by
2022 Chevrolet Suburban

NHTSA ID Number: 10206732 Manufacturer Communication Number: PIT5877   Summary This Preliminary information communicates to dealer that GM engineering is working on a permanent solution for the concern and provides a work around     5 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SUBURBAN 2022 CHEVROLET TAHOE 2022 GMC HUMMER EV 2022 GMC YUKON 2022 GMC YUKON … Read more