C1231
Steering Angle Sensor Circuit Malfunction
C1231 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Circuit Malfunction. Common causes: open or short circuit in the sensor wiring harness, malfunction of the steering angle sensor. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Disabling the stabilization system (ESP)
- Incorrect operation of the ABS system
- Problems with handling on slippery roads
Causes
- Open or short circuit in the sensor wiring harness
- Malfunction of the steering angle sensor
- Poor contact in sensor connectors
- Problems with power or grounding of the sensor
- Malfunction of the electronic control unit (ECU)
How to Fix
- Check the connections and connectors of the steering angle sensor
- Inspect the wiring harness for damage
- Check the power supply and grounding of the sensor
- Scan ECU memory for other errors
- If necessary, replace the steering angle sensor
- Clear the error and test drive to check
Related codes
FAQ
What does the C1231 code mean?
C1231 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Circuit Malfunction
What causes a C1231 error code?
The most common causes of C1231 include: Open or short circuit in the sensor wiring harness; Malfunction of the steering angle sensor; Poor contact in sensor connectors; Problems with power or grounding of the sensor.
How do I fix a C1231 diagnostic trouble code?
To fix C1231: Check the connections and connectors of the steering angle sensor. Inspect the wiring harness for damage. Check the power supply and grounding of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1231?
Do not drive — repair immediately
How much does it cost to fix C1231?
The estimated repair cost for C1231 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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