Home >> Volvo >> 2001 >> S80 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) & Electronic Fuel Injection (EFI) Diagnostic Trouble Codes - 1 Of 11 >> ECM-980A: Engine Control Module (ECM). Internal Fault. Permanent Fault (B5254T2; 2004) >> Internal fault. Permanent fault