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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Supplemental Restraints System) >> Diagnostic Information and Procedures >> DTC B12D4 or B12D5 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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The Restraints Control Module requests the instrument cluster to illuminate the airbag indicator.