Home >> Volvo >> 2004 >> S40 Base, 2.4 38, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 5 Of 10 (544 Body) >> ECM-310A: Engine Speed (Rpm) Sensor. Signal Faulty/Intermittent Fault (B5244S7; 2005-2010) >> Signal Faulty/Intermittent Fault