Home >> Volvo >> 2000 >> S40 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electronic Control Module (ECM) Diagnostic Trouble Codes - 2 Of 3 (644 Body) >> ECM-43: Control Module. Internal Fault. Permanent Fault (B4204T3 (Ca) (Us); 2001-2003) >> Internal fault. Permanent fault