Home >> Jaguar >> 2012 >> XJ Base >> Repair and Diagnosis (Single Page) >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Power Steering Control Module (PSCM) -- XJ/X351 >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Power Steering Control Module (PSCM) >> Description And Operation >> Power Steering Control Module (PSCM) >> U0001-88 High Speed CAN Communication Bus - Bus off >> Possible Causes