C0079moderate severityChassis
Steering Position Sensor Circuit High
on 2010 Volvo XC90 4.4L V8 · AWD
What this code means
The steering angle sensor signal voltage is higher than the maximum expected value.
Symptoms
- Stability control disabled
- ESC light on
- Incorrect steering position displayed
Common causes
- Signal wire open circuit
- Short to battery voltage
- Sensor reference voltage issue
- Sensor failure
Diagnostic steps
- Test signal voltage at sensor connector
- Check for open circuits in signal wire
- Verify reference voltage
- Monitor output through full range
- Inspect connector pins
Repair notes
Repair open circuit or replace steering angle sensor.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0026
RF Wheel Speed Sensor Circuit Intermittent
C0027
LR Wheel Speed Sensor Circuit Intermittent
C0028
RR Wheel Speed Sensor Circuit Intermittent
C0035
Left Front Wheel Speed Sensor Circuit
C0036
Left Front Wheel Speed Signal Erratic