Home >> Jaguar >> 2018 >> E-Pace Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> General Information - Diagnostic Trouble Code (DTC) Index (ASCM - BCM) -- E-Pace/X540 >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Audio Amplifier Module [AAM] (C2159745) >> DTC B1A04-13: Speaker #4 - Circuit open >> Possible Causes