Home › Jaguar › 2012 › XK 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 U0422-68: Invalid Data Received From Body Control Module - Event information › Possible Causes