2020

Hood Ajar Message Displayed on Driver Information Center (DIC), Hood May Not Open Using Any Electrical Release Buttons, But Will Open Using Manual Release Cable – 2020-2021 Chevrolet Corvette

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2021 Chevrolet Corvette

NHTSA ID Number: 10198876 Manufacturer Communication Number: 21NA094   Summary This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable.     2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET CORVETTE 2020-2021   … Read more

Howl, Hoot or Whistle Type Noise when Driving in Crosswinds – 2020-2021 Chevrolet Silverado 1500

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2021 Chevrolet Silverado 1500

NHTSA ID Number: 10198878 Manufacturer Communication Number: 21NA101 Summary This service bulletin provides a procedure to replace both front door seals to correct a customer concern of Howl, Hoot, or Whistle Type Noise when Driving in Crosswinds.   Condition Some customers may comment on a noise in high crosswinds originating from the vehicle “A” pillar area. The … Read more

Diagnostic Information on Engine Vibration – 2014-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Camaro

NHTSA ID Number: 10198880 Manufacturer Communication Number: 21NA109   Summary This service bulletin provides diagnostic information for a customer concern of engine vibration.     92 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2015-2019 CADILLAC ESCALADE 2015-2021 CADILLAC ESCALADE ESV 2015-2021 CHEVROLET CAMARO 2016-2021 CHEVROLET CORVETTE 2016-2019 CHEVROLET EXPRESS 2016, 2018-2021 CHEVROLET SILVERADO 1500 2014, 2017-2021 … Read more

Information on GM Accessories – Instructions on Claim Submission on Dealer-Replaced Tonneau Covers During Warranty Period – 2019-2021 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado

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

Malfunction Indicator Lamp (MIL) Illuminated During Engine Crank – DTC P0046 Set – 2017-2023 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado

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