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C0718moderate severity✨ AI-generated

Steering Angle Sensor Circ Open

Steering angle sensor circuit open detected.

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 measures how much the steering wheel is turned. An open circuit means the sensor isn't sending any signal, so the computer doesn't know the steering position.

What the computer is actually seeing

The vehicle's computer sees no voltage signal from the steering angle sensor when it should be reading between 0.5V and 4.5V based on the steering position.

What a healthy reading looks like

Sensor voltage should be between 0.5V (straight ahead) 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.

  1. 1Inspect the wiring harness and connector for damage or corrosion. Repair as necessary.
  2. 2Check the sensor voltage signal with a multimeter. It should read between 0.5V and 4.5V with the steering wheel turned from straight to full lock. If not, go to the next step.
  3. 3Test the steering angle sensor's resistance. It should show continuity and proper resistance values as specified in the service manual, usually around 10 ohms. If not, replace the sensor.
  4. 4Clear the code and test drive the vehicle to see if the code reappears. If it does, check for any intermittent issues again.
  5. 5If the code doesn't return, the repair was successful.

Common causes

  • Broken or damaged wiring
  • Faulty steering angle sensor
  • Poor connector contact
  • Corrosion or dirt on connections

Typical repair cost

$$

Related codes

Frequently asked questions

Is it safe to drive with this code?

It's moderately serious; the vehicle may handle poorly or the traction control may not work properly.

Will this issue come back after reset?

It can come back if the underlying problem isn't fixed.

Why does this code sometimes show with a traction control light?

They are linked because the steering angle sensor is used to help control traction; if it's not working, the system will flag it.

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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