Cadillac

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

Information on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs – GM Passenger Cars and Trucks

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10219389 Manufacturer Communication Number: 21-NA-061 Summary This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).   Service Information The EL-52545 TPMS and RF Tool must be used to verify that the VIN learned to the transmitter key fob matches the VIN of the service … Read more

Warranty Administration – Transmitter Key Fob Warranty Replacement Requirements – GM Passenger Cars and Trucks (including Medium Duty)

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General Motors

NHTSA ID Number: 10222661 Manufacturer Communication Number: 21-NA-068 Summary This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.   379 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2017-2019 … Read more

Loss of Steering Assist – DTC U3000-49 Set – 2021 Cadillac Chevrolet GMC

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2021 Chevrolet Tahoe

NHTSA ID Number: 10192038 Manufacturer Communication Number: 21NA073   Summary This technical bulletin provides a procedure to replace the steering gear if found the cause of the customers concern.     6 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON 2021 GMC YUKON XL … Read more

Front Door Upper Speaker Faint Hiss or Whistle Noise – 2021 Cadillac XT5 & XT6

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2021 Cadillac XT5

NHTSA ID Number: 10192040 Manufacturer Communication Number: 21NA075   Summary This technical bulletin provides repair information to correct a customer concern of a Front Door Upper Speaker Faint Hiss or Whistle Noise.     2 Affected Products Vehicles MAKE MODEL YEAR CADILLAC XT5 2021 CADILLAC XT6 2021   Condition Some customers may comment of a light hiss … Read more