OBD Guide

C0209

Yaw Rate Sensor Signals Voltage

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ESP/ESC indicator is on
  • Disabling the dynamic stabilization system
  • Incorrect operation of the stabilization system

Causes

  • Malfunction of the angular rate sensor
  • Damage to the sensor wiring harness
  • Sensor connection problems
  • Malfunction of the ESP/ESC control unit
  • Short circuit or open circuit in the sensor circuit

How to Fix

  1. Check sensor connections and wiring harness integrity
  2. Check the voltage at the sensor
  3. Scan the control unit for other errors
  4. Replace the angular rate sensor if necessary
  5. Reflash the ESP/ESC control unit (in some cases)

Related codes

Error C0209 by Vehicle Brand