Home >> Volvo >> 2003 >> XC90 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 8 Of 13 >> ECM-9530: Accelerator Pedal (AP) Position Sensor, Digital Signal. Signal Too Low (B5254T2; B6294T; 2003-2004) >> Signal Too Low