Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes (XC) - 9 Of 9 >> ECM-983A: Engine Control Module (ECM). Internal Fault. Intermittent Fault (B5254T2; 2004) >> Fault-tracing information