Home >> Volvo >> 2004 >> XC90 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 12 Of 13 >> ECM-P063498: Pcm / ECM / TCM Internal Temperature Too High. Component Failures. Component Or System Over Temperature (B6324S; 2007-2010) >> Fault-Tracing Information