OBD Guide

U0123

Lost Communication With Yaw Rate Sensor Module

Severity: MEDIUM

Symptoms

  • Check Engine Light Is On
  • The ESP/ABS indicator may come on
  • Disabling the stabilization system
  • Incorrect operation of the stability control system
  • Possible problems with cruise control

Causes

  • Yaw rate sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Stability control ECU malfunction

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Inspect and clean the sensor connector contacts
  3. Check the power supply and ground of the sensor
  4. Scan the sensor for faults
  5. If necessary, replace the yaw rate sensor

Related codes