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

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: DTC P129F (Fuel Pump Driver Control Module Fuel Pump Speed Signal Incorrect) set in the Engine Control Module (ECM). … Read more

Squeak, Rattle or Creak Noise Originating from Second Row Seat Area – 2019-2021 Buick Enclave & Chevrolet Traverse

2021 Buick Enclave

NHTSA ID Number: 10199257 Manufacturer Communication Number: 21NA040 Summary This technical bulletin provides a procedure to repair a condition of Squeak, Rattle or Creak Noise Originating from Second Row Seat Area by following the procedure outlined within the bulletin.     Condition Squeak, rattle or creak noise coming from the second row seat area. This noise may … Read more

Vehicle Software Update (VeSCoM) – 2021 Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10199258 Manufacturer Communication Number: 21NA044   Summary This technical bulletin provides repair information to correct a customer concern of SUV Vehicle Software Configuration Management Update (VeSCoM).     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON 2021 GMC YUKON XL 2021   Condition Some customer 2021 SUVs … Read more

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

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

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