Home >> Volvo >> 2004 >> XC90 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 7 Of 13 >> ECM-9070: Engine Control Module (ECM). Internal Fault. Permanent Fault (B5254T2; B6294T; 2003-2004) >> Internal Fault. Permanent Fault