Home >> Jaguar >> 2012 >> XJ L >> Repair and Diagnosis >> General Information >> 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-64 Column Lock Authorization - Signal plausibility failure >> Possible Causes