Home › Land Rover › 2017 › Range Rover Evoque SE › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Electric Steering Column Lock Control Module (ESCL) -- Range Rover EVOQUE/L538 › Diagnostic Trouble Code Index DTC: Electric Steering Column Lock Control Module (ESCL) › Description And Operation › DTC B100D-51: Column Lock Authorization - Not programmed › Possible Causes