All codes/C0039

C0039

Right Rear Tone Wheel

High severity

Fault detected on right rear tone wheel (pulse ring).

Fault detected on right rear tone wheel (pulse ring).

Common causes

  • Tone ring damaged or contaminated

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $110-880

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does C0039 mean?

C0039 means "Right Rear Tone Wheel". It is a generic OBD-II code that points to a fault in the chassis.

What are the most common causes of C0039?

tone ring damaged or contaminated — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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