Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Gateway Module (GWM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Gateway Module (GWM) >> Description And Operation >> DTC U0300-46: Internal Control Module Software Incompatibility - Calibration/parameter memory failure >> Possible Causes