Home >> Jaguar >> 2012 >> XKR 2D Convertible >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) >> Description And Operation >> Rear Differential Control Module >> DTC U0001-88: High Speed CAN Communication Bus - Bus off >> Possible Causes