OBD Guide

C1337

Diameter of the Tire is not Uniform

C1337 is an OBD-II diagnostic trouble code meaning: Diameter of the Tire is not Uniform. Common causes: different tire pressures, uneven tread wear. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Activation of the stabilization system for no apparent reason
  • Noticeable difference in tread wear

Causes

  • Different tire pressures
  • Uneven tread wear
  • Installation of tires of different sizes
  • Damage to the wheel speed sensor

How to Fix

  1. Check the pressure in all tires and equalize it
  2. Inspect tires for uneven wear
  3. Replace damaged or worn tires
  4. Check the operation of the rotation speed sensors

Related codes

FAQ

What does the C1337 code mean?

C1337 is an OBD-II diagnostic trouble code that indicates: Diameter of the Tire is not Uniform

What causes a C1337 error code?

The most common causes of C1337 include: Different tire pressures; Uneven tread wear; Installation of tires of different sizes; Damage to the wheel speed sensor.

How do I fix a C1337 diagnostic trouble code?

To fix C1337: Check the pressure in all tires and equalize it. Inspect tires for uneven wear. Replace damaged or worn tires. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1337?

Limited driving only, diagnose soon

How much does it cost to fix C1337?

The estimated repair cost for C1337 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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