Steering Angle Sensor Calibration
The steering angle sensor needs calibration or has a fault.
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What it means (plain English)
The steering angle sensor tells the computer how far you've turned the steering wheel. If it's not working right, the system may not know how much steering input you're giving it, which can cause handling problems.
What the computer is actually seeing
The computer expects a stable voltage signal from the steering angle sensor that varies with wheel position, typically between 0.5V (full left) to 4.5V (full right) when the wheel is turned.
What a healthy reading looks like
Steering angle sensor output voltage should range from 0.5V to 4.5V corresponding to the wheel's full range of motion.
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. Check the steering angle sensor wiring for frays and pinch points. Repair if needed.
- 22. Inspect the connector for corrosion or loose connections. Clean or tighten as necessary.
- 33. Connect a scan tool and check the live data for steering angle. Ensure it varies from 0.5V to 4.5V as you turn the wheel. If it stays the same, sensor is likely faulty.
- 44. If voltage readings are acceptable, perform a calibration of the steering angle sensor using a scan tool. Follow manufacturer procedures for calibration.
Common causes
- Faulty steering angle sensor
- Wiring issues (frayed or shorted wires)
- Poor connections at the sensor or connector
- Calibration procedure not performed after steering system repair or alignment
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's moderate severity, so you can drive it, but avoid aggressive maneuvers until it's fixed.
Will the light come back after clearing?
If there's still a fault in the system or incorrect calibration, yes, the light will return.
Why might this code appear after an alignment?
If the steering angle sensor isn't recalibrated after an alignment, it can throw this code due to incorrect angle reporting.
Working a real vehicle right now?
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