CT4

Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set – 2020-2021 Cadillac CT4 & CT5

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2021 Cadillac CT4

NHTSA ID Number: 10198892 Manufacturer Communication Number: 21NA130   Summary This service bulletin provides a repair procedure to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated, DTC P31E8, P31DB, P31D4 and/or P31E2 Set.     4 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020-2021 CADILLAC CT5 2020-2021   Condition Some customers may comment that … Read more

Intermittent Service Theft Deterrent Message – 2021 Cadillac CT4 & CT5

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2021 Cadillac CT4

NHTSA ID Number: 10193442 Manufacturer Communication Number: PIC6433A   Summary This Preliminary information communicates that a service theft deterrent message may display with no DTC’s.   OnStar turned off the ECM read request to prevent re-occurrence.     2 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2021 CADILLAC CT5 2021   Condition A customer may comment that … Read more

Radio Software Version GB108.2 Update – 2020 Cadillac Chevrolet

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2020 Chevrolet Corvette

NHTSA ID Number: 10198886 Manufacturer Communication Number: 21NA117   Summary This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio Software Update Version GB108.2 for vehicles equipped with Infotainment system RPO IOS or IOT, in addition to providing general robustness and stability enhancements.     3 Affected Products Vehicles MAKE MODEL YEAR … Read more

Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set – 2019-2022 Buick Cadillac Chevrolet GMC

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2022 Chevrolet Blazer

NHTSA ID Number: 10205577 Manufacturer Communication Number: 21NA257   Summary This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set.     36 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 2019-2022 CADILLAC XT5 … Read more

Instrument Panel Cluster Driver Information Center (DIC) Intermittent Blank Screen – 2020 Cadillac CT4 CT5

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2020 Cadillac CT4

NHTSA ID Number: 10205588 Manufacturer Communication Number: 21NA269   Summary This service bulletin provides repair information to correct a customer concern of Instrument Panel Cluster DIC Intermittent Blank Screen.     2 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2020 CADILLAC CT5 2020   Condition Some customers may comment that on ignition cycles with remote starting, … Read more