why does my Ford Explorer ABS light come on and traction control disabled?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

601 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix ABS light and traction control issues in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the vehicle to cool before working on the braking system.

Symptoms

•ABS light illuminated on the dashboard
•Traction control warning message displayed
•Reduced braking efficiency in certain conditions
•Increased wheel slip during acceleration
•Unresponsive ABS during hard braking
•Unusual noises from the braking system

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific fault codes related to the ABS and traction control systems.
2
Inspect the ABS wheel speed sensors for damage or disconnection at each wheel hub.
3
Check the ABS module and related wiring for signs of corrosion, breaks, or loose connections.
4
Verify the brake fluid level in the master cylinder reservoir; ensure it is at the recommended level.
5
Test the ABS pump operation by performing a manual activation through the scanner (if supported).
6
Inspect the fuses related to the ABS and traction control system for any blown fuses.

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
•Socket set
•Torque wrench
•Jack and jack stands
•Brake cleaner

Parts Required

•ABS wheel speed sensor (if replacement is needed)
•ABS module (if replacement is needed)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific fault codes related to the ABS and traction control systems.
2
Inspect the ABS wheel speed sensors for damage or disconnection at each wheel hub.
3
Check the ABS module and related wiring for signs of corrosion, breaks, or loose connections.
4
Verify the brake fluid level in the master cylinder reservoir; ensure it is at the recommended level.
5
Test the ABS pump operation by performing a manual activation through the scanner (if supported).
6
Inspect the fuses related to the ABS and traction control system for any blown fuses.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the ignition is turned off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Clean Wheel Speed Sensors

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Remove the wheel on the affected corner.
3. Locate the ABS wheel speed sensor; it is usually mounted near the axle or brake caliper.
4. Disconnect the electrical connector from the sensor.
5. Remove the sensor using a socket or wrench (note torque specifications for reinstallation).
6. Clean the sensor and the mounting hole with brake cleaner to remove debris.
7. Reinstall the sensor, ensuring it is properly secured and reattach the electrical connector.

3. Repair or Replace Faulty Components

Sub-steps:
1. If error codes indicate a specific sensor failure, replace the faulty ABS wheel speed sensor with a new one.
2. If the ABS module is faulty, remove it by disconnecting the wiring harness and unscrewing the mounting bolts.
3. Install the new ABS module and reconnect the wiring harness.
4. Reconnect the negative battery terminal and ensure all connections are secure.

4. System Reset

Sub-steps:
1. Use the OBD-II scanner to clear any stored error codes from the ABS and traction control systems.
2. Perform a system reset if required by the vehicle’s manufacturer.