Home >> Volvo >> 2001 >> S80 Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> Steering Wheel Module (SWM) & Steering Angle Sensor (SAS) Diagnostic Trouble Codes >> SAS-0020: Steering Wheel Angle Sensor Signal A/B/IX/IY. Signal Faulty. Permanent Fault (1999-2004) >> Diagnostic trouble code information