C1143
Steering Angle Sensor Circuit
C1143 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Circuit. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- ESP/ABS indicator is on
- Disabling stability control
- Problems with adaptive cruise control
- Incorrect steering angle readings
Causes
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Malfunction of the steering angle sensor itself
- Wiring Harness Problems
- ESP/ABS module malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Inspect connectors for corrosion or damage
- Check the resistance and voltage in the sensor circuit
- Scan the sensor for faults
- If necessary, replace the steering angle sensor
Related codes
FAQ
What does the C1143 code mean?
C1143 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Circuit
What causes a C1143 error code?
The most common causes of C1143 include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the steering angle sensor itself; Wiring Harness Problems.
How do I fix a C1143 diagnostic trouble code?
To fix C1143: Check the integrity of the wiring harness to the sensor. Inspect connectors for corrosion or damage. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1143?
Limited driving only, diagnose soon
How much does it cost to fix C1143?
The estimated repair cost for C1143 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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