what could cause the Ford Explorer Sixth Generation (2020-present) ABS light to stay on

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

589 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 Sixth Generation (2020-present). Step-by-step guide with symptoms and solutions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Ensure the vehicle is securely lifted and supported if working underneath.

Symptoms

•ABS warning light illuminated on the dashboard
•Increased stopping distance under braking
•Pulsating brake pedal during braking
•Brake system warning light also illuminated
•Unresponsive or erratic brake performance
•Vehicle stability control (ESC) light may also be on

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific ABS-related trouble codes.
2
Inspect the ABS wheel speed sensors for damage, dirt, or disconnection.
3
Check the wiring and connectors leading to the ABS control module for corrosion or loose connections.
4
Examine the ABS control module for any signs of failure or internal faults.
5
Verify brake fluid levels and inspect for leaks in the hydraulic system.
6
Test the operation of the ABS pump and relay for proper function.

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 bleeder kit

Parts Required

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

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific ABS-related trouble codes.
2
Inspect the ABS wheel speed sensors for damage, dirt, or disconnection.
3
Check the wiring and connectors leading to the ABS control module for corrosion or loose connections.
4
Examine the ABS control module for any signs of failure or internal faults.
5
Verify brake fluid levels and inspect for leaks in the hydraulic system.
6
Test the operation of the ABS pump and relay for proper function.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety while working on electrical components.

2. Inspect ABS Wheel Speed Sensors

Tools Required: Multimeter, socket set
Remove the wheel corresponding to the affected ABS sensor.
Disconnect the sensor's connector and use a multimeter to test for continuity.
If the sensor is faulty, remove the screws holding the sensor in place and replace it with a new one.

3. Check Wiring and Connectors

Visually inspect the wiring harness leading to the ABS control module for any signs of wear, fraying, or corrosion.
Clean any corroded connectors and ensure all connections are secure.
Replace damaged wiring or connectors as necessary.

4. Examine the ABS Control Module

Tools Required: Torx or socket set, electrical cleaner
Locate the ABS control module (typically near the brake master cylinder).
Disconnect the module's electrical connector and inspect it for corrosion or damage.
If necessary, replace the ABS control module according to the manufacturer’s specifications.

5. Bleed the Brake System

After repairs, bleed the brake system to remove any air trapped in the lines.
Tools Required: Brake bleeder kit
Start with the wheel furthest from the master cylinder and work your way to the closest.
Ensure proper brake fluid is used as specified in the owner's manual.

6. Reconnect Battery and Test

Reconnect the negative battery terminal and start the vehicle.
Check if the ABS light has turned off. If not, re-scan for error codes to ensure all issues are resolved.