why does my Ford Explorer Fifth Generation (2011-2019) ABS light keep coming on?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

542 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 the ABS light issue in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

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 brakes to cool before inspection to avoid burns.

Symptoms

•ABS warning light illuminated on the dashboard
•Reduced braking performance or feel
•Pulsation in the brake pedal during braking
•Erratic or inconsistent braking response
•Possible traction control warning light activation

Diagnostic Steps

1
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes related to the ABS system.
2
Inspect the ABS fuse to ensure it is not blown.
3
Examine the wheel speed sensors for damage, dirt, or connectivity issues.
4
Check the condition and level of brake fluid in the reservoir.
5
Inspect the ABS control module for any visible signs of damage or corrosion.
6
Verify the operation of the hydraulic control unit by performing a function test.

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
•Brake fluid
•Electrical contact cleaner
•Jack and jack stands

Parts Required

•Wheel speed sensors (if faulty)
•ABS control module (if defective)
•Brake fluid

Related Faults

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Diagnostic Steps

1
Scan the vehicle’s onboard diagnostics (OBD-II) for any error codes related to the ABS system.
2
Inspect the ABS fuse to ensure it is not blown.
3
Examine the wheel speed sensors for damage, dirt, or connectivity issues.
4
Check the condition and level of brake fluid in the reservoir.
5
Inspect the ABS control module for any visible signs of damage or corrosion.
6
Verify the operation of the hydraulic control unit by performing a function test.

Solution

1. Preparation

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

2. Inspect Wheel Speed Sensors

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Remove the wheel to access the wheel speed sensor.
3. Inspect the sensor for any signs of damage or dirt accumulation.
4. Clean the sensor connection with electrical contact cleaner if dirty.
5. Reinstall the wheel and lower the vehicle.

3. Check Brake Fluid Level

Sub-steps:
1. Locate the brake fluid reservoir under the hood.
2. Check the fluid level against the minimum and maximum markings.
3. If low, top off with the manufacturer-recommended brake fluid (DOT 3 or DOT 4).
4. Replace the reservoir cap securely.

4. Test ABS Control Module

Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Access ABS module data and check for any fault codes.
3. Follow the on-screen instructions to run a diagnostics test on the ABS module.
4. Clear any stored codes and see if the ABS light resets after cycling the ignition.

5. Replace Faulty Components

Sub-steps:
1. If any components (sensors, control module) are found faulty, remove them as per manufacturer specifications.
2. Install the new components, ensuring all connections are secure and properly torqued.
3. Reconnect the battery, and perform a system check.

Tools Required:

OBD-II scanner
Socket set
Brake fluid
Electrical contact cleaner
Jack and jack stands

Parts Required:

Wheel speed sensors (if faulty)
ABS control module (if defective)
Brake fluid

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on electrical systems.
Allow the brakes to cool before inspection to avoid burns.