Home › Jaguar › 2012 › XJ Base › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code (DTC) Index DTC: Electric Steering Column Lock Control Module (ESCL) -- XJ/X351 › DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Electric Steering Column Lock Control Module (ESCL) › Description And Operation › Electric Steering Column Lock Control Module (ESCL) › B100D-51 Column Lock Authorization - Not programmed › Possible Causes