Home >> Volvo >> 2007 >> S60 Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 13 Of 14 >> ECM-9520: Accelerator Pedal (AP) Position Sensor, Faulty Signal. Signal Too Low. Permanent Fault (B5234T3; B5244T3; 2001) >> Signal too low. Permanent fault