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

549 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 Fifth Generation (2011-2019). 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 the battery before working on electrical systems.
•Allow the vehicle to sit for a few minutes after driving to cool down the brakes.

Symptoms

•ABS warning light illuminated on the dashboard
•Decreased braking performance or sensitivity
•Pulsation in the brake pedal during braking
•Unresponsive or malfunctioning ABS system
•Possible traction control light also illuminated

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific ABS-related fault codes.
2
Inspect ABS fuses for any blown or damaged fuses.
3
Check the condition of the ABS wheel speed sensors for dirt, damage, or disconnection.
4
Examine the ABS module for any visible damage or corrosion.
5
Test the brake fluid level and condition to ensure it meets specifications.
6
Verify the integrity of the brake lines for leaks or damage.

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
•Brake fluid reservoir

Parts Required

•Wheel speed sensors (if damaged)
•ABS module (if faulty)
•Brake fluid (DOT 3 or DOT 4)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific ABS-related fault codes.
2
Inspect ABS fuses for any blown or damaged fuses.
3
Check the condition of the ABS wheel speed sensors for dirt, damage, or disconnection.
4
Examine the ABS module for any visible damage or corrosion.
5
Test the brake fluid level and condition to ensure it meets specifications.
6
Verify the integrity of the brake lines for leaks or damage.

Solution

1. Preparation

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

2. Inspect and Replace Wheel Speed Sensors

Sub-steps:
1. Locate the wheel speed sensors for each wheel; typically found near the brake rotor.
2. Remove the sensor wiring harness carefully to avoid damaging connectors.
3. Unbolt the sensor from its mounting location using a socket set.
4. Clean the mounting area to remove any debris.
5. Install the new wheel speed sensor and secure it with bolts.
6. Reconnect the wiring harness and ensure a secure fit.

3. Check and Replace ABS Module (if necessary)

Sub-steps:
1. Locate the ABS module, usually found near the brake master cylinder.
2. Disconnect the electrical connectors from the ABS module.
3. Remove the mounting bolts securing the ABS module and lift it out.
4. Install the new ABS module in reverse order of removal.
5. Reconnect the electrical connectors securely.
6. Reconnect the negative battery terminal.

4. Brake Fluid Check and Replacement

Sub-steps:
1. Open the brake fluid reservoir cap and check the fluid level.
2. If low, add the recommended brake fluid type (DOT 3 or DOT 4).
3. If the fluid is contaminated, bleed the brake system to replace old fluid.
4. Recheck the fluid level and ensure it’s within the recommended range.