what causes the traction control light to stay on in a Ford F-150?

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

504 words

Problem Statement

Discover the causes and solutions for the traction control light staying on in Ford F-150. Follow our diagnostic steps and repair guide for effective results.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems
•Allow the vehicle to cool before inspecting brake components to avoid burns

Symptoms

•Traction control light illuminated on the dashboard
•Reduced engine power during acceleration
•Vehicle slipping or losing traction in wet or slippery conditions
•ABS warning light may also be illuminated
•Unusual noises from the ABS module or wheel speed sensors

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to retrieve any diagnostic trouble codes (DTCs)
2
Inspect the wheel speed sensors for damage, dirt, or disconnection
3
Check the ABS module and wiring for faults or corrosion
4
Verify the operation of the brake system, including fluid level and condition
5
Test the operation of the traction control switch to ensure it’s functioning correctly

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench
•Screwdrivers

Parts Required

•Wheel speed sensors (if damaged)
•Traction control switch (if faulty)
•Brake fluid (DOT 3 or DOT 4)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to retrieve any diagnostic trouble codes (DTCs)
2
Inspect the wheel speed sensors for damage, dirt, or disconnection
3
Check the ABS module and wiring for faults or corrosion
4
Verify the operation of the brake system, including fluid level and condition
5
Test the operation of the traction control switch to ensure it’s functioning correctly

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the negative battery terminal to ensure safety while working on the electrical system.

2. Inspect and Clean Wheel Speed Sensors

Locate the wheel speed sensors at each wheel hub.
Remove any dirt or debris from the sensor area using a soft cloth.
If damaged, replace the wheel speed sensors with new ones.
Reconnect the sensors ensuring a secure fit.

3. Check ABS Module and Wiring

Inspect the ABS module for any visible damage or corrosion.
Use a multimeter to test the wiring harness for continuity.
Repair or replace any damaged wires or connectors.

4. Verify Brake System Operation

Check the brake fluid level in the master cylinder and top off if low with the recommended fluid type (DOT 3 or DOT 4).
Inspect brake pads and rotors for wear; replace if necessary.

5. Test Traction Control Switch

Locate the traction control switch on the dashboard.
Test the switch using a multimeter to check for proper operation.
Replace the switch if it is found to be faulty.