why does my Ford Explorer Fifth Generation (2011-2019) traction control light stay on

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

608 words

Problem Statement

Learn how to diagnose and fix the traction control light issue in a 2011-2019 Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

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 down before inspecting brake components to avoid burns.

Symptoms

•Traction control light illuminated on the dashboard
•Possible loss of traction during acceleration
•Vehicle may enter limp mode (limited engine power)
•ABS light may also be illuminated
•Erratic behavior of the traction control system (engaging/disengaging unexpectedly)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored fault codes.
2
Inspect the wheel speed sensors for damage or disconnection.
3
Check the ABS module for any fault codes or malfunctions.
4
Examine the vehicle's wiring harness for any frayed or damaged wiring.
5
Verify the brake fluid level and inspect the brake system for any leaks.
6
Test the traction control switch for proper functionality.

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
•Screwdriver set
•Brake fluid

Parts Required

•Wheel speed sensors (if faulty)
•Traction control switch (if faulty)
•Brake fluid (if low)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored fault codes.
2
Inspect the wheel speed sensors for damage or disconnection.
3
Check the ABS module for any fault codes or malfunctions.
4
Examine the vehicle's wiring harness for any frayed or damaged wiring.
5
Verify the brake fluid level and inspect the brake system for any leaks.
6
Test the traction control switch for proper functionality.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, screwdriver set, brake fluid.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the battery to prevent electrical shorts during repairs.

2. Inspect Wheel Speed Sensors

Locate the wheel speed sensors at each wheel hub.
Remove the connector from each sensor and inspect for corrosion or damage.
Use a multimeter to test the resistance of each sensor; typical values should be within manufacturer specifications (usually around 1,000-1,500 ohms).
If a sensor is faulty, proceed to replace it by removing the mounting bolt and disconnecting it from the harness.

3. Check ABS Module and Wiring

Inspect the ABS module for any signs of damage or water ingress.
Use the OBD-II scanner to check for ABS-related codes and clear them after repairs.
Visually inspect the wiring harness connected to the ABS module and wheel speed sensors for any signs of wear or damage.
Repair or replace any damaged wiring as necessary.

4. Verify Brake Fluid and System

Check the brake fluid reservoir; ensure the fluid level is within the recommended range.
Inspect the brake lines and components for leaks or damage.
If low on brake fluid, top off with the recommended type (DOT 3 or DOT 4) and check for leaks that need to be repaired.

5. Test Traction Control Switch

Locate the traction control switch on the dashboard.
Remove the switch and use a multimeter to check for continuity when the button is pressed.
If the switch is faulty, replace it with a new one by disconnecting the harness and installing the new switch.