Home >> Volvo >> 2009 >> S60 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 8 Of 14 >> ECM-6100: Engine Cooling Fan Control Module. Faulty Signal. Permanent Fault (B5254T2; 2003) >> Faulty signal. Permanent fault