Pop Noise Heard Coming from Rear Roof of Cab Area – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10188399 Manufacturer Communication Number: 21NA018   Summary This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area.     6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 2019-2020 GMC SIERRA … Read more

Trailer Running Lights Shut Off Due to Excessive Load on the Running Lamp Circuit – 2019-2020 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10187410 Manufacturer Communication Number: 20NA198   Summary This technical bulletin provides repair information to correct a customer concern of seeing the trailer running lights shut off due to excessive load on the running lamp circuit.   6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2019-2020 CHEVROLET SILVERADO 2500 2020 GMC SIERRA 1500 … Read more

Rear Camera Inoperable – 2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

NHTSA ID Number: 10187415 Manufacturer Communication Number: 20NA220   Summary This technical bulletin provides repair information to correct a customer concern of Rear Camera Inoperable.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2021 GMC SIERRA 2500 2021     SEOCONTENT-START Service Bulletin Bulletin No.: 20-NA-220 Date: December, 2020 TECHNICAL Subject: Rear Camera Inoperable … Read more

Engineering Information – No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose – 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

NHTSA ID Number: 10187733 Manufacturer Communication Number: PIE0584A   Summary This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.   4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020-2021 GMC SIERRA 2500 2020-2021     … Read more

Engineering Information – Sliding Rear Window Leaking Water – 2020 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2020 Chevrolet Silverado

NHTSA ID Number: 10187739 Manufacturer Communication Number: PIE0603B   Summary This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear sliding window leaking water.   2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2020 GMC SIERRA 2500 2020   … Read more