C1234 The yaw rate sensor is not sending a valid signal to the skid control ECU

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

What does C1234 mean on a Toyota?

C1234. The yaw rate sensor is not sending a valid signal to the skid control ECU. 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 C1234

How to fix C1234

  1. Confirm the code with a scan tool
  2. Inspect the sensor and its connector
  3. Test the sensor circuit for opens and shorts
  4. Check sensor power and ground
  5. Replace the sensor only after the circuit tests fail
  6. Clear the code and retest