Home >> Volvo >> 2007 >> V70 Base, 2.4 64 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 8 Of 14 >> ECM-6100: Engine Cooling Fan Control Module, Faulty Signal, Intermittent Fault (B5254T2; 2003) >> Faulty signal, intermittent fault