OBD Guide

C0228

Left Rear ABS Channel in Release Too Long

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

Symptoms

  • The ABS indicator on the dashboard is on
  • Reduced braking performance
  • Unstable ABS operation when braking
  • Possible vibrations in the brake pedal

Causes

  • Malfunction of the left rear wheel speed sensor
  • Damage to the wiring harness to the sensor
  • Contamination or damage to the ring gear
  • Problems with the ABS hydraulic unit
  • Corroded contacts or poor connection

How to Fix

  1. Check the condition of the left rear wheel speed sensor
  2. Inspect the wiring harness for damage
  3. Check the ring gear for contamination or damage.
  4. Test sensor resistance and circuit continuity
  5. If necessary, replace the sensor or repair the wiring
  6. Check the ABS hydraulic unit for leaks or malfunctions

Related codes

Error C0228 by Vehicle Brand