Home › Jaguar › 2010 › XJ L › Repair and Diagnosis › Restraints › Restraints Control Systems › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- XJ/X351 › Diagnostic Trouble Code (DTC) Index DTC: Restraints Control Module (RCM) › Description And Operation › Restraints Control Module (RCM) › DTC U2300-51: Central Configuration - Not programmed › Possible Causes