Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Instrument Cluster (IPC) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Instrument Cluster (IPC) >> Description And Operation >> DTC B1B01-05: Key Transponder - System programming failures >> Possible Causes