Steering Wheel Position Sensor Fault
There is a fault detected in the steering wheel position sensor circuit.
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What it means (plain English)
The steering wheel position sensor tells the computer where the steering wheel is positioned. If there's a fault, it can't accurately monitor how the wheel is turned, which may affect vehicle handling and safety systems.
What the computer is actually seeing
The computer sees irregular signals or no signals from the steering wheel position sensor, which should normally provide a varying voltage between 0.5V and 2.5V as the wheel turns from center to the left or right.
What a healthy reading looks like
Expected voltage from a properly functioning sensor should be between 0.5V (full left) to 2.5V (full right) with around 1.5V at center.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Inspect the wiring and connectors for the steering wheel position sensor. Look for any signs of damage or corrosion. If found, repair or replace as needed.
- 22. Check if the sensor itself is receiving power. Use a multimeter to measure the voltage at the sensor connector; you should see about 5V reference voltage.
- 33. Test the output voltage of the steering wheel position sensor by turning the wheel. If it does not vary between 0.5V and 2.5V, the sensor is likely faulty. Replace the sensor if it's out of spec.
- 44. Clear the fault code and perform a road test to check if the code returns. If it does, further diagnose the ECU for faults. If everything checks out, the issue may resolve after repair.
Common causes
- Faulty steering wheel position sensor
- Damaged wiring or connectors
- Corroded terminals
- Malfunctioning electronic control unit (ECU)
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's best to fix this soon as it affects steering responses which can impact driving safety.
Will the code come back after clearing it?
If it returns, it indicates a persistent issue—likely with the sensor or its wiring.
How is this code related to other issues?
It can pair with traction control and stability control problems since they rely on the steering angle.
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