Yukon

No Start Or Unable To Perform Theft Relearn After Replacing Or Programming A Module / DTC U1962 – 2020-2023 Buick Cadillac Chevrolet GMC

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224307 Manufacturer Communication Number: PIT5832C Summary This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.   Condition Some technicians may experience one or more of the following concerns after replacing or reprogramming a module on one of the new Vehicle … Read more

Engine Related Shudder / Surge Concerns – 2019-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10201315 Manufacturer Communication Number: PIP5794B   Summary This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue.     26 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2020-2021 CHEVROLET SILVERADO 1500 2019-2021 CHEVROLET SILVERADO 2500 2019-2021 CHEVROLET … Read more

Possible Crank No Start or Extended Crank with DTC P12A6 – 2019-2021 Buick Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10198862 Manufacturer Communication Number: 20NA218   Summary This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.     32 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2021 BUICK REGAL 2019-2020 CADILLAC CT5 2020 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV … Read more

Vehicle Software Update (VeSCoM) – 2021 Chevrolet GMC

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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

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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