OBD Guide

C003C

Rear Tone Wheel

C003C is an OBD-II diagnostic trouble code meaning: Rear Tone Wheel. Common causes: mechanical damage to the tone disc, tone wheel or sensor is dirty. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • ABS light is on
  • ABS activates during normal braking
  • Loss of stability when braking

Causes

  • Mechanical damage to the tone disc
  • Tone wheel or sensor is dirty
  • Tone disc wear
  • ABS sensor malfunction

How to Fix

  1. Visually inspect the tone disc for damage
  2. Cleaning the disk and sensor from dirt
  3. Checking the gap between the sensor and the disc
  4. Replacing a damaged disk or sensor if necessary
  5. OBD-II Error Reset and System Check

Related codes

Error C003C by Vehicle Brand

FAQ

What does the C003C code mean?

C003C is an OBD-II diagnostic trouble code that indicates: Rear Tone Wheel

What causes a C003C error code?

The most common causes of C003C include: Mechanical damage to the tone disc; Tone wheel or sensor is dirty; Tone disc wear; ABS sensor malfunction.

How do I fix a C003C diagnostic trouble code?

To fix C003C: Visually inspect the tone disc for damage. Cleaning the disk and sensor from dirt. Checking the gap between the sensor and the disc. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C003C?

Limited driving only, diagnose soon

How much does it cost to fix C003C?

The estimated repair cost for C003C is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat