Engine-CodesFord – C0039 Ford

C0039 Ford Code - Right Rear Tone Wheel

Quick Answer

The C0039 Ford code indicates a problem with the right rear tone wheel, which is a vital component of the vehicle's anti-lock braking system (ABS). Common causes include Tone wheel damage due to corrosion or debris accumulation, Faulty ABS sensor, Loose or damaged tone wheel mounting. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C0039 Ford indicates Right Rear Tone Wheel.
Common causes
Common causes include Tone wheel damage due to corrosion or debris accumulation, Faulty ABS sensor, Loose or damaged tone wheel mounting.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code C0039 Ford Description

The C0039 Ford code indicates a problem with the right rear tone wheel, which is a vital component of the vehicle's anti-lock braking system (ABS). The tone wheel is typically located on the rear wheel hub and works in conjunction with the ABS sensor to monitor the speed of the wheel. This information is crucial for the ABS system to modulate braking pressure and prevent wheel lock-up during sudden stops or slippery road conditions. If the tone wheel is damaged or malfunctioning, it can lead to issues with the ABS system, compromising the vehicle's braking performance and safety.

OBDII Code C0039 Ford - Right Rear Tone Wheel
C0039 Ford Code - Right Rear Tone Wheel

Common Causes of C0039 Ford

  1. Tone wheel damage due to corrosion or debris accumulation
  2. Faulty ABS sensor
  3. Loose or damaged tone wheel mounting
  4. Wiring or electrical issues in the ABS system
  5. Impact damage to the tone wheel from road hazards

Symptoms of C0039 Ford

  1. ABS warning light illuminated on the dashboard
  2. Erratic or pulsating brake pedal during braking
  3. Traction control system malfunctions
  4. Increased stopping distance
  5. Uneven brake application on the affected wheel

How to Fix C0039 Ford

  1. Diagnose the specific cause of the issue using a professional OBD-II scanner.
  2. Inspect the tone wheel for damage, corrosion, or debris and clean or replace as necessary.
  3. Check the ABS sensor and wiring connections for proper functioning and repair or replace any faulty components.
  4. Ensure that the tone wheel is securely mounted to the wheel hub and adjust or replace any loose or damaged mounting hardware.
  5. Clear the diagnostic trouble codes (DTCs) from the vehicle's system and test drive to verify that the issue has been resolved.

Cost to Fix C0039 Ford

The cost of repairing a C0039 Ford code related to the right rear tone wheel can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $300 for parts and labor. However, it's important to note that prices may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive rates. It's recommended to obtain quotes from multiple repair shops to ensure you are getting a fair price for the service.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0039 Ford Code

1. What are the common symptoms of OBDII code C0039 in a Ford related to the right rear tone wheel?

The common symptoms include the ABS warning light illuminating on the dashboard, a pulsating brake pedal, and potential loss of traction control.

2. What does the OBDII code C0039 for the right rear tone wheel in a Ford indicate?

This code typically indicates an issue with the right rear tone wheel's speed sensor or tone ring, affecting the ABS and traction control systems.

3. What are the possible causes of OBDII code C0039 related to the right rear tone wheel in a Ford?

Possible causes include a faulty tone ring, damaged speed sensor, loose wiring connections, or corrosion on the sensor or ring.

4. How can I diagnose and repair OBDII code C0039 for the right rear tone wheel in my Ford?

Diagnosis involves inspecting the tone ring and speed sensor for damage, checking wiring connections, and using a scan tool to monitor sensor readings. Repair may involve replacing the tone ring, speed sensor, or fixing any wiring issues.

5. Can driving with OBDII code C0039 related to the right rear tone wheel in a Ford be dangerous?

Continuing to drive with this code may compromise the ABS and traction control systems, potentially leading to reduced braking effectiveness and poor vehicle stability in certain driving conditions.

6. Is it possible to reset the OBDII code C0039 for the right rear tone wheel in a Ford without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the code reappearing once the vehicle is in motion and the ABS system detects the fault again.

7. How important is it to address OBDII code C0039 related to the right rear tone wheel in a Ford promptly?

It is crucial to address this code promptly to ensure the proper functioning of the ABS and traction control systems, as well as maintain safe driving conditions and vehicle stability.

8. Can a DIY enthusiast with basic automotive knowledge fix OBDII code C0039 for the right rear tone wheel in a Ford?

Depending on the exact cause, a DIY enthusiast may be able to address this code by inspecting the tone ring, speed sensor, and wiring connections, and replacing any faulty components.

9. How much does it typically cost to repair OBDII code C0039 associated with the right rear tone wheel in a Ford?

The cost of repair can vary based on the specific cause of the issue, but it may involve expenses for replacing the tone ring, speed sensor, or addressing wiring problems. Costs can range from a few hundred to over a thousand dollars at a dealership or repair shop.

10. Will fixing OBDII code C0039 for the right rear tone wheel in a Ford improve vehicle performance and safety?

Yes, resolving this code will restore the proper functioning of the ABS and traction control systems, enhancing vehicle performance, safety, and stability on the road.

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