GMC

Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in 2.8 Duramax Diesel Engines Using GDS 2 – 2016-2021 Chevrolet & GMC

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2021 Chevrolet Colorado

NHTSA ID Number: 10183128 Manufacturer Communication Number: 16NA325   Summary This technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed.   SEOCONTENT-START Service Bulletin Bulletin No.: 16-NA-325 Date: October, 2020 TECHNICAL Subject: Identifying Non-GM ECM Calibration Use … Read more

Information on Duramax Diesel 6.6L Common Engine Noises – 2017-2023 Chevrolet Silverado & GMC Sierra

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2021 Chevrolet Silverado 1500

NHTSA ID Number: 10222651 Manufacturer Communication Number: 16-NA-372 Summary This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.   41 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2017-2019 CHEVROLET SILVERADO 2500 2019-2023 CHEVROLET SILVERADO … Read more

Information on Turbocharger Whine Noise – 2016-2021 Chevrolet GMC

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2021 Chevrolet Colorado

NHTSA ID Number: 10183139 Manufacturer Communication Number: 17NA222   Summary This technical bulletin provides a procedure to replace the turbocharger for vehicles with a condition of Turbocharger Whine Noise due to the blades on the turbo being bent.   SEOCONTENT-START Service Bulletin Bulletin No.: 17-NA-222 Date: November, 2020 TECHNICAL Subject: Information on Turbocharger Whine Noise Brand: Model: … Read more

Information on Replacement of Video Processing Module Due to Water Intrusion – 2017-2019 Buick Cadillac Chevrolet GMC

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2019 Cadillac XT5

NHTSA ID Number: 10187376 Manufacturer Communication Number: 17NA231   Summary This service bulletin provides information to determine the root cause of the water intrusion to the Video Processing Module (VPM) and correct it prior to replacement of the VPM.   10 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2018-2019 CADILLAC XT5 2017-2019 CHEVROLET TRAVERSE 2018-2019 GMC … Read more

Loss of Sirius XM, XM Tuner Unavailable, Or No AM/FM Audio Immediately Following Radio Replacement – 2019-2021 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10184106 Manufacturer Communication Number: PIT5794 Summary This Preliminary information communicates a concern where the wrong part number was being installed causing XM and Audio concerns. This PI explains the concern and advises to return the part to the ESC for the correct part if the incorrect part number is received     Condition Immediately … Read more