Home › Jaguar › 2017 › F-Pace S › Repair and Diagnosis › Body & Frame › Body, Cab Control Systems › Diagnostic Trouble Code Index DTC: Body Control Module (BCM) - F-Pace › Diagnostic Trouble Code Index DTC: Body Control Module (BCM) › Description And Operation › Body Control Module (BCM) › DTC B108B-56: Start Button Circuit A - Invalid/incomplete configuration › Possible Causes