NHTSA ID Number: 10192033 Manufacturer Communication Number: 21NA064   Summary This service bulletin provides repair information to correct a customer concern of a Service Heater Soon Message that may turn on with NO DTC Codes set and NO adverse heater performance issues.     1 Affected Product Vehicle MAKE MODEL YEAR CHEVROLET BOLT EV 2017   Condition ... Read more

The post Service Heater Soon Message May Turn On with NO DTC Codes Set and NO Adverse Heater Performance Issues – 2017 Chevrolet Bolt EV first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10205046 Manufacturer Communication Number: 17NA345   Summary This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.     32 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2015-2017 CADILLAC ESCALADE ESV 2015-2017 CHEVROLET SILVERADO 1500 2017-2018 ... Read more

The post Steering Jerks, Kicks, Whips or Locks Up or Stiff Feel Effort in Cold Temperatures – 2016-2018 Cadillac Chevrolet GMC first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10205570 Manufacturer Communication Number: 21NA248   Summary This technical bulletin provides a procedure on the A/C blows warm air intermittently and/or takes a long time to cool.   2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET EQUINOX 2020-2021   Condition Some customers may comment on the A/C blows warm air intermittently and/or takes a ... Read more

The post A/C Blows Warm Intermittently and/or Takes a Long Time to Start Cooling – 2020-2021 Chevrolet GMC first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10206736 Manufacturer Communication Number: PIT5878   Summary This Preliminary information communicates to the field  engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022 HUMMER EV.     1 Affected Product Vehicle MAKE MODEL YEAR GMC HUMMER EV 2022   Condition Some customers may experience one or more of the ... Read more

The post Heat – Defrost – AC – Battery Cooling – and Air Conditioning Performance Concerns – 2022 GMC Hummer EV first appeard on GM - OEMDTC and is written by oemdtc

NHTSA ID Number: 10205543 Manufacturer Communication Number: 20NA171   Summary This service bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808.     18 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT6 2019-2020 CADILLAC XT4 2019 CHEVROLET BLAZER 2019 CHEVROLET CAMARO 2019 CHEVROLET COLORADO 2019-2020 CHEVROLET EQUINOX 2019-2020 CHEVROLET ... Read more

The post Radio Software Version V808 USB Update – 2019-2020 Cadillac Chevrolet GMC Holden first appeard on GM - OEMDTC and is written by oemdtc