Steering Wheel Position Sensor Range/Performance Problem
The steering wheel position sensor is sending a faulty signal to the PCM.
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What it means (plain English)
The car's computer is getting bad data from the sensor that tells it how far the steering wheel is turned, causing potential handling issues.
What the computer is actually seeing
The PCM sees the steering position sensor output fluctuating outside a defined range, typically between 0.5V to 4.5V as the wheel turns from lock to lock.
What a healthy reading looks like
When the steering wheel is centered, the sensor should show about 2.5V; fully turned, it should be under 0.5V or above 4.5V depending on direction.
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.
- 1Check the wiring and connectors at the steering wheel position sensor for damage or corrosion.
- 2Verify the battery voltage is between 12-14V to ensure proper operation of the sensor.
- 3Using a multimeter, check the voltage at the steering position sensor connector while moving the steering wheel. Expected range should vary smoothly between 0.5V and 4.5V.
- 4If readings are erratic or outside the expected range, replace the steering wheel position sensor and retest.
- 5If the sensor checks out, use a scan tool to inspect for any stored codes that may indicate PCM issues.
Common causes
- Faulty steering wheel position sensor
- Loose or damaged wiring harness
- Bad connectors at the sensor
- Corroded terminals
- Software glitch in the PCM
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code present?
Driving is possible but may affect vehicle handling and response, so fix it soon.
Will this code come back after clearing?
If the issue is unresolved, yes, it will return after clearing.
Why does this code appear with a traction control light?
The system relies on the steering position for stability control, so faults trigger both warnings.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
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