Home › Jaguar › 2014 › XK Base, 2D Convertible › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Climate Control Module (HVAC) -- XK/X150 › Diagnostic Trouble Code Index DTC: Climate Control Module (HVAC) › Description And Operation › Climate Control Module [HVAC] › DTC U3000-87: Control Module - Missing message › Possible Causes