Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Audio Module (AUM) & Phone Module (PHM) Diagnostic Trouble Codes >> AUM-4301: Minidisc Player. Focusing Fault. Intermittent Fault (1999-2001) >> Focusing fault. Intermittent fault