Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes (XC) - 5 Of 9 >> ECM-530D: Diagnostic Trouble Code (DTC) In Another Control Module (B5254T2; 2003-2004) >> Fault-tracing information