Home › Jaguar › 2014 › XF Base › Repair and Diagnosis › Restraints › Restraints Control Systems › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- XF/X250 › Diagnostic Trouble Code (DTC) Index DTC: Restraints Control Module (RCM) › Description And Operation › DTC U3000-46: Control Module - Calibration/parameter memory failure › Possible Causes