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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Secondary And Configurable Customer Controls) >> Diagnostic Information and Procedures >> DTC B1A37 >> Diagnostic Aids

Diagnostic Aids

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.

Holding the V-Mode switch for an extend period of time may cause DTC B1A37 to set.

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