Engine-CodesFord – C1299 Ford

C1299 Ford Code - Wheel Speed Left Rear Signal Fault

Quick Answer

The C1299 Ford code indicates a Wheel Speed Left Rear Signal Fault. Common causes include Damaged or faulty wheel speed sensor, Corroded or damaged wiring/connectors, Issues with the ABS module. 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
C1299 Ford indicates Wheel Speed Left Rear Signal Fault.
Common causes
Common causes include Damaged or faulty wheel speed sensor, Corroded or damaged wiring/connectors, Issues with the ABS module.
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 13, 2024
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Code C1299 Ford Description

The C1299 Ford code indicates a Wheel Speed Left Rear Signal Fault. This means that the vehicle's onboard computer has detected an issue with the wheel speed sensor on the left rear wheel. The wheel speed sensor is responsible for monitoring the speed of each wheel and sending this information to the ABS (anti-lock braking system) and traction control system. When a fault is detected in the signal from the left rear wheel speed sensor, it can affect the vehicle's performance and safety systems.

OBDII Code C1299 Ford - Wheel Speed Left Rear Signal Fault
C1299 Ford Code - Wheel Speed Left Rear Signal Fault

Common Causes of C1299 Ford

  1. Damaged or faulty wheel speed sensor
  2. Corroded or damaged wiring/connectors
  3. Issues with the ABS module
  4. Wheel bearing failure affecting sensor operation
  5. Physical damage to the sensor from road debris or impact

Symptoms of C1299 Ford

  1. ABS warning light illuminated on the dashboard
  2. Traction control system malfunction
  3. Loss of traction or stability while driving
  4. Uneven braking or ABS activation during normal driving conditions

How to Fix C1299 Ford

  1. Begin by diagnosing the specific cause of the fault code using a diagnostic scanner to pinpoint the issue.
  2. Inspect the left rear wheel speed sensor for any visible damage or corrosion, and test its operation using a multimeter.
  3. Check the wiring and connectors leading to the sensor for any breaks, frays, or corrosion, and repair or replace as needed.
  4. If the sensor itself is faulty, replace it with a new one and ensure proper installation and calibration.
  5. Clear the fault code from the vehicle's computer and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix C1299 Ford

The typical repair costs for a Wheel Speed Left Rear Signal Fault can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, replacing a wheel speed sensor can cost between $100 and $200 for the part, with additional labor costs ranging from $100 to $200. Overall, the total repair cost can range from $200 to $400. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.

Tech Notes for C1299 Ford

Incorrect tire size or tire pressure can set these DTCs as well. DTCs set in the ignition cycle can only be cleared by cycling the ignition off and on once the fault has been corrected.

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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 C1299 Ford Code

1. What does the OBDII code C1299 mean on a Ford vehicle?

C1299 indicates a "Wheel Speed Left Rear Signal Fault," meaning the ABS module is not receiving a proper signal from the left rear wheel speed sensor.

2. What are the common symptoms of code C1299?

Symptoms may include the ABS warning light illuminating, loss of ABS functionality, traction control issues, or erratic speedometer readings.

3. What causes the C1299 code to appear?

The code can be caused by a faulty left rear wheel speed sensor, damaged wiring, corroded connectors, or debris interfering with the sensor's operation.

4. Can I drive with the C1299 code active?

While the vehicle may still be drivable, the ABS and traction control systems may not function properly, increasing the risk of skidding or reduced braking performance in slippery conditions.

5. How do I diagnose the C1299 code?

Start by visually inspecting the left rear wheel speed sensor, its wiring, and connectors for damage or corrosion. Use a scan tool to read live ABS data and test the sensor's output.

6. How is the C1299 code fixed?

The repair may involve replacing the faulty wheel speed sensor, repairing damaged wiring, cleaning the sensor and tone ring, or reconnecting loose or corroded connectors.

7. What tools are needed to fix a C1299 code?

You may need a diagnostic scan tool, a multimeter for electrical testing, and basic hand tools to remove and replace the sensor or repair wiring.

8. How much does it cost to repair the C1299 code?

Repair costs vary but typically range from $100 to $300, depending on whether you replace the sensor yourself or have it done by a professional.

9. Can a bad wheel bearing cause the C1299 code?

Yes, a worn or damaged wheel bearing can affect the wheel speed sensor's ability to read the tone ring properly, leading to the C1299 code.

10. Will clearing the C1299 code fix the problem?

Clearing the code will only temporarily turn off the warning light. The underlying issue must be resolved to prevent the code from returning.

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