Service Theft Deterrent

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

Service Theft Deterrent Message In DIC and/or B2955 – 2015 Chevrolet Colorado & GMC Canyon

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2015 Chevrolet Colorado

NHTSA ID Number: 10115103 Manufacturer Communication Number: PIT5382D   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a Service Theft System message displayed in the Driver Information Center. Technician may find a Diagnostic Trouble Code B2955 stored in the Body Control Module. Technician should inspect the connections at the immobilizer … Read more