Home >> Jaguar >> 2013 >> XK Base, 2D Convertible >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Front Controls/Display Interface Module (FCDIM) -- XK/X150 >> Diagnostic Trouble Code Index DTC: Front Controls/Display Interface Module (FCDIM) >> Description And Operation >> Front Controls/Display Interface Module [FCDIM] >> DTC U1A4B-48: Control Module Processor B - Supervision software failure >> Possible Causes