Home >> Land Rover >> 2015 >> LR2 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) -- LR2/L359 >> Diagnostic Trouble Code Index DTC: Audio Amplifier Module (AAM) >> Description And Operation >> DTC B1A03-13: Speaker #3 - Circuit open >> Possible Causes