what causes the ABS light to come on in a Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

623 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 the electrical components.
•Ensure the vehicle is securely supported on jack stands before working underneath.

Symptoms

•ABS light is illuminated on the dashboard
•Brake pedal feels spongy or unresponsive
•Increased stopping distance
•Traction control warning light may also be illuminated
•Unusual noises from the brake system (e.g., grinding or squeaking)

Diagnostic Steps

1
Scan the vehicle's OBD-II system for any trouble codes related to the ABS.
2
Inspect the ABS fuse and relay for any signs of damage or failure.
3
Visually check the ABS wheel speed sensors for dirt, damage, or disconnection.
4
Examine the brake fluid level and condition in the master cylinder reservoir.
5
Test the resistance of the wheel speed sensors using a multimeter.
6
Inspect the wiring and connectors associated with the ABS system for corrosion 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
•Multimeter
•Wrench set
•Fuse puller
•Cleaning solution
•Soft cloth
•Jack and jack stands

Parts Required

•Replacement ABS fuse (if necessary)
•Replacement wheel speed sensor (if faulty)
•Brake fluid (as needed)

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for any trouble codes related to the ABS.
2
Inspect the ABS fuse and relay for any signs of damage or failure.
3
Visually check the ABS wheel speed sensors for dirt, damage, or disconnection.
4
Examine the brake fluid level and condition in the master cylinder reservoir.
5
Test the resistance of the wheel speed sensors using a multimeter.
6
Inspect the wiring and connectors associated with the ABS system for corrosion or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the negative terminal of the battery to ensure safety.

2. Check and Replace ABS Fuse

Tools Required: Fuse puller, replacement fuse (if needed)
Locate the fuse box (usually under the dashboard or in the engine compartment).
Use the fuse puller to remove the ABS fuse.
Inspect the fuse and replace it if it is blown. Ensure the replacement matches the amperage rating.

3. Inspect and Clean Wheel Speed Sensors

Tools Required: Wrench set, cleaning solution, soft cloth
Raise the vehicle using a jack and secure it with jack stands.
Locate the wheel speed sensors at each wheel hub.
Disconnect the sensor connectors.
Clean the sensor and the surrounding area with a soft cloth and cleaning solution.
Reconnect the sensors securely.

4. Test and Replace Wheel Speed Sensors (if necessary)

Tools Required: Multimeter, replacement wheel speed sensor (if faulty)
Set the multimeter to measure resistance.
Disconnect the sensor connector and test the resistance across the sensor terminals.
Compare the resistance reading to manufacturer specifications. Replace the sensor if it is out of range.

5. Brake Fluid Inspection and Replacement

Tools Required: Brake fluid, funnel, turkey baster (optional)
Check the brake fluid level in the master cylinder.
If low, add the appropriate type of brake fluid as specified in the owner's manual.
If the fluid is dark or contaminated, perform a brake fluid flush and replace with new fluid.

6. Final Assembly and Testing

Reconnect the negative battery terminal.
Start the vehicle and check if the ABS light has turned off.
Test drive the vehicle to ensure the brakes are functioning properly and the ABS system is operative.