Home >> Jaguar >> 2012 >> XJ Base >> Repair and Diagnosis (Single Page) >> General Information >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Rear Differential Control Module (RDCM) -- XJ/X351 >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Rear Differential Control Module (RDCM) >> Description And Operation >> Rear Differential Control Module (RDCM) >> P0607-49 Control Module Performance - Internal electronic failure >> Possible Causes