Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Navigation Control Module (NCM) - INDIA & ISRAEL -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Navigation Control Module (NCM) - India & Israel >> Description And Operation >> DTC B1A81-4B: Internal Trip Switch - Over temperature >> Possible Causes