C0039
Right Rear Tone Wheel
C0039 is an OBD-II diagnostic trouble code meaning: Right Rear Tone Wheel. Common causes: damage to the wheel speed sensor, tone wheel is dirty or damaged. Estimated repair cost: $56–167.
Symptoms
- The ABS/ESP indicator on the dashboard is on
- Reduced efficiency of the ABS system
- Loss of stabilization during sudden maneuvers
- Incorrect speedometer readings (rare)
Causes
- Damage to the wheel speed sensor
- Tone wheel is dirty or damaged
- Broken or damaged wiring to the sensor
- Corrosion at the sensor mounting location
- ABS control unit malfunction
How to Fix
- Visual inspection of the sensor and wiring
- Checking the integrity of the tone wheel
- Cleaning the sensor and seat
- Replacing the wheel speed sensor if necessary
- Replacing the tone wheel (rarely needed)
- Resetting the error and checking the system operation
Related codes
Error C0039 by Vehicle Brand
FAQ
What does the C0039 code mean?
C0039 is an OBD-II diagnostic trouble code that indicates: Right Rear Tone Wheel
What causes a C0039 error code?
The most common causes of C0039 include: Damage to the wheel speed sensor; Tone wheel is dirty or damaged; Broken or damaged wiring to the sensor; Corrosion at the sensor mounting location.
How do I fix a C0039 diagnostic trouble code?
To fix C0039: Visual inspection of the sensor and wiring. Checking the integrity of the tone wheel. Cleaning the sensor and seat. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0039?
Do not drive — repair immediately
How much does it cost to fix C0039?
The estimated repair cost for C0039 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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