Home › Jaguar › 2017 › XE Base, 2.0L Eng VIN G › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Body Control Module (BCM) › Diagnostic Trouble Code Index DTC: Body Control Module (BCM) › Description And Operation › Body Control Module (BCM) › B1D02-86 Left High Beam Circuit - Signal invalid › Possible Causes