NHTSA ID Number: 10192036 Manufacturer Communication Number: 21NA071 Summary This technical bulletin provides repair information to correct a customer concern of DTC?s P05AE or P059F Set Current or History. Condition DTC’s listed below set in current, or history. DTC P05AE – Active Grille Air Shutter 2 Performance DTC P059F- Active Grille Air Shutter 1 Performance … Read more
NHTSA ID Number: 10198881 Manufacturer Communication Number: 21NA110 Summary This informational bulletin provides information for dealers/technicians on Information on GM Accessories – Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period. 10 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SILVERADO 2500 2020-2021 GMC SIERRA 1500 2019-2021 GMC SIERRA … Read more
NHTSA ID Number: 10222662 Manufacturer Communication Number: 21-NA-113 Summary This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator. Condition Some customers may comment that the MIL is illuminated. Some technicians may find DTC P0046 (Turbocharger Boost Control Position Performance) set in the Engine Control Module (ECM). Cause This condition … Read more
NHTSA ID Number: 10198888 Manufacturer Communication Number: 21NA120 Summary This technical bulletin provides the tech with a procedure to check if the transmission is the cause of the concern by checking the data. 4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020-2021 GMC SIERRA 2500 2020-2021 Condition Some technicians or customers … Read more
NHTSA ID Number: 10205584 Manufacturer Communication Number: 21NA265 Summary This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact. 12 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET 3500 2020-2022 CHEVROLET SILVERADO 2500 2020-2022 GMC SIERRA 2500 2020-2022 GMC SIERRA 3500 2020-2022 Condition Some … Read more