Home >> Jaguar >> 2012 >> XJ L >> Repair and Diagnosis >> 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) >> U0001-87 High Speed CAN Communication Bus - Missing message >> Possible Causes