how to troubleshoot the Ford Explorer Sixth Generation (2020-present) parking brake light on

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

586 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 parking brake light issue in Ford Explorer (2020-present). Step-by-step guide with diagnostic steps and solutions.

Affected Component

Brakes

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is secure and on a flat surface before working on the brakes.
•Disconnect the battery before working on any electrical components to prevent shock or damage.

Symptoms

•Parking brake warning light illuminated on the dashboard
•Inability to engage/disengage the parking brake
•Unusual noises when attempting to operate the parking brake
•Vehicle rolling when parked (if parking brake is not functioning)
•Brake warning light may also be illuminated

Diagnostic Steps

1
Inspect the parking brake lever for proper engagement and ensure it is fully released.
2
Check the brake fluid level in the master cylinder reservoir; low fluid can trigger the warning light.
3
Scan the vehicle using an OBD-II scanner for any error codes related to the brake system.
4
Inspect the wiring and connections to the parking brake switch for any signs of damage or corrosion.
5
Verify that the parking brake actuator (if equipped) is functioning correctly by manually testing its operation.
6
Check the condition of the parking brake cables for wear 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
•Socket set
•Screwdriver set
•Brake fluid (DOT 3 or DOT 4)

Parts Required

•Parking brake switch (if defective)
•Parking brake actuator (if defective)

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Diagnostic Steps

1
Inspect the parking brake lever for proper engagement and ensure it is fully released.
2
Check the brake fluid level in the master cylinder reservoir; low fluid can trigger the warning light.
3
Scan the vehicle using an OBD-II scanner for any error codes related to the brake system.
4
Inspect the wiring and connections to the parking brake switch for any signs of damage or corrosion.
5
Verify that the parking brake actuator (if equipped) is functioning correctly by manually testing its operation.
6
Check the condition of the parking brake cables for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts for the repair.
Ensure the vehicle is parked on a flat surface, and engage the wheel chocks for safety.
Disconnect the negative battery terminal to avoid electrical issues.

2. Check Brake Fluid Level

Remove the cap from the master cylinder reservoir.
Inspect the fluid level; if low, top off with the manufacturer-recommended brake fluid type (DOT 3 or DOT 4).
Reinstall the cap securely.

3. Inspect Parking Brake Switch

Locate the parking brake switch, typically near the parking brake lever or pedal.
Disconnect the wiring harness from the switch.
Use a multimeter to test for continuity in the switch when engaged and disengaged.
Replace the switch if it fails to operate correctly.

4. Inspect Wiring and Connections

Visually inspect all wiring connected to the parking brake system for fraying, breaks, or corrosion.
Clean any corroded connections with electrical contact cleaner.
Repair or replace any damaged wiring or connectors.

5. Test Parking Brake Actuator (if equipped)

Locate the parking brake actuator under the vehicle.
Manually test the actuator by applying power directly to it to ensure it engages and disengages properly.
Replace the actuator if it is not functioning as intended.

6. Reassemble and Reconnect

Reconnect any disconnected wiring and ensure all components are secured.
Reconnect the negative battery terminal.
Lower the vehicle if it was lifted for repairs.