Information on Aero Shutter Related Diagnostic Codes – 2019-2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

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

DTC’s P05AE or P059F Set Current or History – 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

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

Engineering Information – Check Engine Lamp Illuminated On Drivers Information Center (DIC), DTCs U0284, U0285, P059F and/or P05AE Set – 2019-2021 Chevrolet Silverado & GMC Sierra1500

2021 Chevrolet Silverado 1500

NHTSA ID Number: 10183795 Manufacturer Communication Number: PIE0590   Summary This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center (DIC).   SEOCONTENT-START Subject: Engineering Information – Check Engine Lamp Illuminated On Drivers … Read more