Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC P0850-02: Park/neutral Switch Input Circuit - General signal failure >> Possible Causes