Silverado

Loss of Power, Stalling Malfunction Indicator Lamp (MIL) Illuminated – DTC P129F Set – 2019-2020 Chevrolet Silverado & GMC Sierra

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2020 Chevrolet Silverado

NHTSA ID Number: 10199256 Manufacturer Communication Number: 21NA025 Summary This technical bulletin provides a procedure to replace the Fuel Power Module if found the cause of the customers concern.   Condition One or more of the following conditions: Loss of power Stalling MIL illuminated DTC P129F (Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect) set … Read more

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

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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

Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel – 2021 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado

NHTSA ID Number: 10198870 Manufacturer Communication Number: 21NA079   Summary This technical bulletin provides a procedure to replace the lower seat frame to correct the condition of Pop Noise Heard During Seat Travel and/or Inadequate Seat Rearward Travel due to a supplier installation error.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2021 … Read more

Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation – 2020-2021 Chevrolet Silverado & GMC Sierra HD 2500/3500

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2021 Chevrolet Silverado

NHTSA ID Number: 10192032 Manufacturer Communication Number: 21NA062   Summary This informational bulletin directs dealers to the correct path needed to correct a vehicle with the condition of Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation based on the correct cause.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020-2021 GMC SIERRA 2500 … Read more

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

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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