Home >> Volvo >> 2007 >> V70 Base, 2.4 61, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 13 Of 14 >> ECM-9520: Accelerator Pedal (AP) Position Sensor. Signal Too Low (B5244S; 2001-2002) >> Faulty signal