OBD Guide

C0227

Erratic Left Front Speed Sensor

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

Symptoms

  • ABS/ESP indicator is on
  • Unstable ABS operation
  • Disabling the ESP system
  • Inability to activate cruise control

Causes

  • Damage to the wheel speed sensor
  • Sensor or ring gear dirty
  • Open or shorted wiring harness
  • Poor contact in the sensor connector
  • Malfunction of the ABS/ESP control unit

How to Fix

  1. Visual inspection of the sensor and wiring harness
  2. Checking the sensor resistance
  3. Cleaning the Sensor and Ring Gear
  4. Checking the integrity of the wiring harness
  5. Replace the sensor if necessary

Related codes

Error C0227 by Vehicle Brand