Home › Jaguar › 2012 › XK 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- XK/X150 › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) › Description And Operation › Restraints Control Module [RCM] › DTC U3000-49: Control Module - Internal electronic failure › Possible Causes