Home >> Jaguar >> 2013 >> XF 3.0, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Navigation Control Module (NCM) - Extended Markets -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Navigation Control Module (NCM) - Extended Markets >> Description And Operation >> DTC B12A0-11: Auxiliary Input 2 - Circuit short to ground >> Possible Causes