Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 9 Of 11 >> ECM-6B00: Malfunction Indicator Lamp (Mil) Signal. Signal Too High. Permanent Fault (B6294S2; B6294T; 2002-2004) >> Signal too high. Permanent fault