Steering Angle Sensor Calibration Fault
The steering angle sensor's calibration is off or has failed.
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What it means (plain English)
The steering angle sensor measures how far the steering wheel has turned. If it's not calibrated right, the computer can't accurately track your steering position, which can affect stability control and other systems.
What the computer is actually seeing
The steering angle sensor provides a voltage signal that varies based on the position of the steering wheel. If this signal is out of expected range during use, it triggers the fault code.
What a healthy reading looks like
Expected voltage signal range from the sensor is typically between 0.5V (center) to 4.5V (full turn).
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 at the steering angle sensor for damage or corrosion. Repair any issues found. Decision: Are the wiring and connectors good? If yes, proceed to step 2. If no, repair as needed.
- 22. Check the steering angle sensor for physical alignment. Make sure it hasn't been knocked out of place. Decision: Is the sensor properly aligned? If yes, proceed to step 3. If no, re-align it accordingly.
- 33. Use a scan tool to check the live data from the steering angle sensor. Look for the voltage output while turning the wheel. Decision: Is the output voltage varying correctly? If yes, the sensor might have an internal fault. If no, proceed to step 4.
- 44. Compare the output from the steering angle sensor with expected values. If outside 0.5V-4.5V range, replace the sensor. If it's within range, there may be a need for a calibration procedure.
Common causes
- Misalignment of the steering angle sensor
- Damaged wiring or connectors to the sensor
- Faulty steering angle sensor
- Recent vehicle repairs that might have disturbed the sensor's calibration
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code present?
It's not advisable to drive if steering systems are affected. Get it checked to ensure safety systems like stability control are functioning.
Will the issue come back after clearing the code?
If the underlying cause isn't fixed, the code may return after clearing it.
Why does this code appear after a collision or repair?
After physical impacts or repairs, the sensor can become misaligned, causing calibration faults.
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