Home › Jaguar › 2017 › XF S, RWD › Repair and Diagnosis › General Information › Towing › Diagnostic Trouble Code Index DTC: Deployable TOWBAR Control Module (DTCM) -- XF/X260 › Diagnostic Trouble Code Index DTC: Deployable Towbar Control Module (DTCM) › Description And Operation › Deployable TOWBAR Control Module (DTCM) › DTC B1539-53: Electrically Deployable Tow Bar Locking Motor - Deactivated › Possible Causes