CT4

Radio Continuously Scrolls Through Favorites – Menus or Changes Volume Immediately Following Infotainment Control Switch Replacement – 2021 Cadillac

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2021 Cadillac Escalade

NHTSA ID Number: 10204445 Manufacturer Communication Number: PIC6443A   Summary This Preliminary information communicates a condition with service parts and a software anomaly that does not allow them to be programmed to the vehicle. The S165 Infotainment switch inventory will be reworked and released back to service.     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC … Read more

No Fob Detected Message on Driver Information Center (DIC) with No Crank/No Start – 2020-2021 Buick Cadillac Chevrolet GMC

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2021 Chevrolet Corvette

NHTSA ID Number: 10205567 Manufacturer Communication Number: 21NA244   Summary This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.     12 Affected Products Vehicles MAKE MODEL YEAR BUICK ENVISION 2021 CADILLAC CT4 2020-2021 CADILLAC CT5 … Read more

Malfunction Indicator Lamp (MIL) Illuminated with DTC P26BB Set – 2019-2022 Buick Cadillac Chevrolet GMC

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2022 Chevrolet Trailblazer

NHTSA ID Number: 10205576 Manufacturer Communication Number: 21NA256   Summary This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.     29 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2019-2022 BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 … Read more

Transmission Neutral Service Mode – 2021-2022 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10205597 Manufacturer Communication Number: 21NA281 Summary This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition – If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.   Condition Certain … Read more

MIL illuminated with DTC P1098 and/or P26BB – 2020 Buick Cadillac Chevrolet GMC

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2020 Chevrolet Blazer

NHTSA ID Number: 10206730 Manufacturer Communication Number: PIP5675G   Summary This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history.  That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing … Read more