C0455
Steering Wheel Position Sensor Circuit
The chassis or stability control module has detected a fault in the steering wheel position sensor circuit. ESP and lane assist systems require an accurate steering angle and may be deactivated.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- Steering angle sensor failedCommon
- Sensor not calibrated after alignmentPossible
- Wiring or connector faultLess likely
Parts involved
- Steering Angle Sensor
- Esp Control Module
- Clock Spring
C0455 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.