how to troubleshoot Ford Explorer Fifth Generation (2011-2019) ABS light is on

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

600 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 troubleshoot and fix the ABS light issue on Ford Explorer (2011-2019). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Brakes

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks.
•Allow the vehicle's components to cool down before handling to prevent burns.

Symptoms

•ABS warning light illuminated on the dashboard
•Reduced braking efficiency or longer stopping distances
•Pulsating brake pedal during braking
•Lack of ABS function (wheels may lock during sudden stops)
•Possible traction control light also illuminated
•Intermittent loss of brake pedal feel

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve any ABS-related trouble codes.
2
Inspect the ABS fuse for continuity and condition; replace if blown.
3
Check the brake fluid level in the reservoir; top off if necessary.
4
Examine ABS wheel speed sensors for dirt, damage, or disconnections at the wheel hubs.
5
Inspect wiring and connectors associated with the ABS system for corrosion or breaks.
6
Test the ABS pump and module for functionality using a multimeter.

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
•Brake fluid

Parts Required

•Wheel speed sensor (if faulty)
•ABS fuse (if blown)
•Brake fluid (DOT 3 or DOT 4)

Related Faults

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Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to retrieve any ABS-related trouble codes.
2
Inspect the ABS fuse for continuity and condition; replace if blown.
3
Check the brake fluid level in the reservoir; top off if necessary.
4
Examine ABS wheel speed sensors for dirt, damage, or disconnections at the wheel hubs.
5
Inspect wiring and connectors associated with the ABS system for corrosion or breaks.
6
Test the ABS pump and module for functionality using a multimeter.

Solution

1. Preparation

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

2. Inspect and Clean Wheel Speed Sensors

Locate the wheel speed sensors at each wheel hub.
Remove any dirt or debris using a clean cloth.
Check the sensor gap; it should be within manufacturer specifications (usually around 0.5mm to 1mm).
Reconnect any loose connectors and ensure they are secure.

3. Replace Faulty Wheel Speed Sensor (if necessary)

If a sensor is damaged or malfunctioning, remove the old sensor by unscrewing it from the hub.
Install a new wheel speed sensor, ensuring it is properly seated and tightened to manufacturer specifications (usually around 10-15 ft-lbs).
Reconnect the electrical connector.

4. Check and Replace ABS Fuse

Locate the fuse box and identify the ABS fuse (refer to the owner’s manual for exact location).
Remove the fuse using a fuse puller or pliers; inspect for damage.
If blown, replace it with a new fuse of the same amperage.

5. Refill Brake Fluid (if low)

Open the brake fluid reservoir cap.
Check fluid level; if below the minimum mark, add the appropriate brake fluid (DOT 3 or DOT 4 as specified in the owner’s manual).
Replace the cap securely.

6. Reconnect Battery and Test Drive

Reconnect the negative battery terminal.
Start the vehicle and check if the ABS light remains on.
Take the vehicle for a test drive to verify functioning of the ABS system.