Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Audio Amplifier Module (AAM) >> Description And Operation >> DTC B128A-12: Speaker #13 - Circuit short to battery >> Possible Causes