Home >> Volvo >> 2004 >> V40 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 3 >> ECM-2E: Boost Pressure. Signal Too Low. Permanent Fault (B4204T2 CVVT; 2000) >> Signal too low. Permanent fault >> Replacing the component