Home >> Jaguar >> 2017 >> XJ Supercharged >> 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-42 Column Lock Authorization - General memory failure >> Possible Causes