Home › Jaguar › 2017 › XF Base, 2.0L Eng VIN N, RWD › Repair and Diagnosis › Steering › Steering Control Systems › Diagnostic Trouble Code Index DTC: Electric Steering Column Lock Control Module (ESCL) -- XF/X260 › Diagnostic Trouble Code Index DTC: Electric Steering Column Lock Control Module (ESCL) › Description And Operation › Electric Steering Column Lock Control Module (ESCL) › DTC U0001-88: High Speed CAN Communication Bus - Bus off › Possible Causes