Sierra

Service Engine Light Misfire Engine Noise with DTC – 2020-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Corvette

NHTSA ID Number: 10193446 Manufacturer Communication Number: PIP5801A   Summary This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve spring.     12 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CHEVROLET CAMARO … Read more

Cooling Fans Continuously Run, Malfunction Indicator Lamp (MIL) Illuminated – DTC P2B60, P1098, P26BB, P149D, P0421, and/or P0606 Set – 2021 Chevrolet Silverado & GMC Sierra 1500

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2021 Chevrolet Silverado 1500

NHTSA ID Number: 10198877 Manufacturer Communication Number: 21NA096   Summary This technical bulletin provides a procedure to program the ECM to correct the customers concern.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2021 GMC SIERRA 1500 2021   Condition Some customers may comment on one or more of the following conditions: •   … 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