Steering Angle Sensor Circuit Failure
The steering angle sensor circuit has detected a failure.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The steering angle sensor is sending a signal that isn't matching what the vehicle expects. This could throw off systems like stability control, making the car harder to control in slippery conditions.
What the computer is actually seeing
The computer monitors the voltage from the steering angle sensor, which usually outputs 0.5 to 4.5 volts as you turn the wheel. If this goes outside the expected range or is not changing properly, it flags a C0584 code.
What a healthy reading looks like
0.5V (center) to 4.5V (full turn), changes smoothly as you turn the steering wheel.
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 steering angle sensor wiring for damage or disconnections (look for frayed wires or broken connectors).
- 2Inspect the steering angle sensor connector for corrosion or loose pins that could affect the signal.
- 3Using a multimeter, test the voltage output from the steering angle sensor while turning the wheel. It should smoothly transition between 0.5V and 4.5V.
- 4If the sensor outputs are out of range, replace the steering angle sensor and clear codes to see if the issue is resolved.
Common causes
- Wiring issue in the steering angle sensor circuit
- Faulty steering angle sensor
- Poor connector connection or corrosion
- Electronic Control Unit (ECU) malfunction
Typical repair cost
$$
Related codes
Frequently asked questions
Is it safe to drive with this code present?
It's moderately risky; the steering response might be affected, especially in bad weather.
Will this code come back after clearing it?
If the underlying issue is fixed, it shouldn't return. If not, it will likely reappear.
Why does this code relate to stability and traction control?
The steering angle sensor helps the computer understand how far and quickly the steering wheel is being turned, which is essential for systems that help maintain vehicle stability and traction.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
Start guided diagnostic →