C0990 low

Brake Wear Monitoring System Reset

The C0990 code means the vehicle's onboard diagnostic system has detected: Brake Wear Monitoring System Reset. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$100 - $600 (parts and labor)
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Common Symptoms

  • Brake warning light on
  • Brake service reminder on dashboard
  • Reduced braking performance
  • Brake pedal feel abnormal

Probable Causes (Ranked by Likelihood)

  • Brake system needs servicing Very High
  • Restricted brake line High
  • Air in brake system Moderate
  • Brake system software needs update Low

Step-by-Step Diagnostic Procedure

  1. Inspect entire brake system for issues

  2. Check brake lines for restrictions

  3. Bleed brake system of air

  4. Perform brake system self-test with scan tool

Frequently Asked Questions

What does code C0990 mean?

C0990 indicates a fault with the brake wear monitoring system reset.

Can I drive with C0990?

You can drive normally but schedule brake service soon.

How much does it cost to fix C0990?

Typical repair costs are $100 - $600 (parts and labor).

Sources

This page is built from documented references. Verify against your own service info before repair work.

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