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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Immobilizer System) >> Diagnostic Information and Procedures >> DTC B197D >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

The BCM receives an incorrect response or no response at all for at least 10 seconds of the vehicle switched to RUN or propulsion.

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