Home › Jaguar › 2016 › XF S, AWD › Repair and Diagnosis › Quick Lookups › DTC Index › Diagnostic Trouble Code Index DTC: Head-Up Display Cooling Fan Control Module -- XF/X260 › Diagnostic Trouble Code Index DTC: Head-Up Display Cooling Fan Control Module › Description And Operation › Head Up Display Cooling Fan Control Module (HUDCFCM) › DTC U2101-56: Control Module Configuration Incompatible - Invalid/incomplete configuration › Possible Causes