Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code (DTC) Index DTC: Integrated Audio Module (IAM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Integrated Audio Module (IAM) >> Description And Operation >> DTC B12A0-13: Auxiliary Input 2 - Circuit open >> Possible Causes