why is the ABS light on in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

591 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 components.
•Allow the vehicle to cool before inspecting brake components to prevent burns.

Symptoms

•ABS warning light illuminated on the dashboard
•Reduced braking performance or increased stopping distance
•Pulsation in the brake pedal during hard braking
•Traction control light may also be illuminated
•Strange noises during braking (e.g., grinding or squealing)

Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes related to the ABS.
2
Inspect the ABS fuse for continuity and proper function.
3
Check the brake fluid level and inspect for leaks in the brake system.
4
Examine the ABS wheel speed sensors for damage or dirt accumulation.
5
Inspect the wiring and connectors related to the ABS system for corrosion or disconnection.
6
Test the ABS module with a multimeter for proper voltage and ground.

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
•Multimeter
•Torque wrench
•Cleaning brush
•Turkey baster

Parts Required

•ABS wheel speed sensor (if faulty)
•Brake fluid (DOT 3 or as specified)
•ABS module (if faulty)

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes related to the ABS.
2
Inspect the ABS fuse for continuity and proper function.
3
Check the brake fluid level and inspect for leaks in the brake system.
4
Examine the ABS wheel speed sensors for damage or dirt accumulation.
5
Inspect the wiring and connectors related to the ABS system for corrosion or disconnection.
6
Test the ABS module with a multimeter for proper voltage and ground.

Solution

1. Preparation

Gather tools and parts needed for repair.
Ensure the vehicle is parked on a level surface and secure it with wheel chocks.
Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace ABS Wheel Speed Sensors

Tools Required: Socket set, multimeter, cleaning brush
Remove the wheel corresponding to the ABS sensor that needs inspection.
Locate the ABS wheel speed sensor and disconnect the electrical connector.
Use a multimeter to test the sensor's resistance; it should typically fall within the manufacturer's specified range.
If the sensor is faulty, remove the mounting bolt and replace it with a new sensor.
Clean the sensor mounting area before installation to ensure proper fit.

3. Check and Replace Brake Fluid

Tools Required: Brake fluid (DOT 3 or as specified), turkey baster
Remove the brake fluid reservoir cap and check the fluid level.
If the fluid is low, use a turkey baster to remove old fluid and refill with new brake fluid.
Inspect for leaks in brake lines, calipers, and the master cylinder.

4. Inspect and Replace ABS Module (if necessary)

Tools Required: Socket set, torque wrench
Locate the ABS module, which is typically mounted on the brake master cylinder.
Disconnect the electrical connectors and brake lines carefully (be prepared for fluid spillage).
Remove the mounting bolts and carefully take out the ABS module.
Install the new ABS module, ensuring proper torque specifications are followed for the mounting bolts (typically around 15-20 ft-lbs).
Reconnect the brake lines and electrical connectors.