Home >> Jaguar >> 2016 >> XF Prestige, RWD >> 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