What causes C1231 on a Toyota?

Faulty steering angle sensor Open or shorted sensor harness Poor electrical connection at the sensor Faulty skid control ECU

How do I fix C1231 on a Toyota?

Confirm the code with a scan tool Inspect the sensor and its connector Test the sensor circuit for opens and shorts Check sensor power and ground Replace the sensor only after the circuit tests fail Clear the code and retest

C1231 The skid control ECU lost a valid signal from the steering angle sensor

Q: What does C1231 mean on a Toyota?

C1231. The skid control ECU lost a valid signal from the steering angle sensor. Stability control is disabled and the ABS and slip warning lights come on.. Applies to Toyota, Lexus and Scion models that use this code.

Category: Chassis
Severity: ABS Light
Applies to: Toyota, Lexus and Scion models that use this code

What does C1231 mean on a Toyota?

C1231. The skid control ECU lost a valid signal from the steering angle sensor. Stability control is disabled and the ABS and slip warning lights come on.. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of C1231

Faulty steering angle sensor
Open or shorted sensor harness
Poor electrical connection at the sensor
Faulty skid control ECU

How to fix C1231

Confirm the code with a scan tool
Inspect the sensor and its connector
Test the sensor circuit for opens and shorts
Check sensor power and ground
Replace the sensor only after the circuit tests fail
Clear the code and retest