NHTSA ID Number: 10222663 Manufacturer Communication Number: 21-NA-182 Summary This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Condition Some customers may comment on any combination of the following Radio System Settings being lost, not retained, or returning to a default value after the … Read more
NHTSA ID Number: 10193464 Manufacturer Communication Number: PIP5775B Summary This Preliminary information communicates to dealership technicians that a P11D5 may be cause by a software anomaly, check to see if campaign N212331790 applies, reflash the ECM and release the vehicle. 4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2021 CHEVROLET SILVERADO 3500 2021 … Read more
NHTSA ID Number: 10198891 Manufacturer Communication Number: 21NA128 Summary This technical bulletin provides repair information to correct a customer concern of MIL Illuminated- ECM Update for P026C, P20EE, or P11D5. 4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2021 CHEVROLET SILVERADO 3500 2021 GMC SIERRA 1500 2021 GMC SIERRA 2500 2021 … Read more
NHTSA ID Number: 10198862 Manufacturer Communication Number: 20NA218 Summary This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. 32 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2021 BUICK REGAL 2019-2020 CADILLAC CT5 2020 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV … Read more
NHTSA ID Number: 10198869 Manufacturer Communication Number: 21NA077 Summary This informational bulletin provides information for dealers/technicians on Aero Shutter Related Diagnostic Codes. 11 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SILVERADO 2500 2020-2021 CHEVROLET SUBURBAN 2019-2021 CHEVROLET TAHOE 2019-2021 Condition Some customers may comment on seeing a Check engine … Read more