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 B1252-19: USB Port - Circuit current above threshold >> Possible Causes