how to fix the power door locks not working in my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

551 words

Problem Statement

Learn how to diagnose and fix power door locks not working in Ford Explorer (2020-present). Step-by-step guide with tools and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits or shocks.

Symptoms

•Power door locks do not respond when attempting to engage from the key fob.
•Manual door locks operate normally.
•Lock/unlock switch inside the vehicle is non-functional.
•Doors remain locked or unlocked regardless of the switch position.
•Possible illumination of the door lock warning light on the dashboard.

Diagnostic Steps

1
Check the key fob battery and replace if necessary.
2
Inspect the door lock fuse for any signs of damage or failure.
3
Use an OBD-II scanner to check for any relevant error codes related to the body control module.
4
Test the lock/unlock switch for continuity using a multimeter.
5
Inspect wiring harnesses and connectors for damage or corrosion.

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
•Small flathead screwdriver
•Fuse puller
•Torx or socket set

Parts Required

•CR2032 key fob battery
•New door lock fuse (if applicable)
•Replacement lock/unlock switch (if testing indicates failure)

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Symptoms

•Power door locks do not respond when attempting to engage from the key fob.

•Manual door locks operate normally.

•Lock/unlock switch inside the vehicle is non-functional.

•Doors remain locked or unlocked regardless of the switch position.

•Possible illumination of the door lock warning light on the dashboard.

Diagnostic Steps

1
Check the key fob battery and replace if necessary.
2
Inspect the door lock fuse for any signs of damage or failure.
3
Use an OBD-II scanner to check for any relevant error codes related to the body control module.
4
Test the lock/unlock switch for continuity using a multimeter.
5
Inspect wiring harnesses and connectors for damage or corrosion.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Inspect and Replace the Key Fob Battery

Open the key fob casing using a small flathead screwdriver.
Remove the old battery and replace it with a new CR2032 battery.
Reassemble the key fob and test functionality.

3. Check and Replace the Door Lock Fuse

Locate the fuse box (usually under the dashboard or in the engine compartment).
Refer to the fuse diagram on the cover to identify the door lock fuse.
Remove the fuse using a fuse puller and inspect for continuity; replace if blown with a new fuse of the same amperage.

4. Test and Replace the Lock/Unlock Switch

Remove the door panel to access the lock/unlock switch.
Disconnect the wiring harness from the switch.
Use a multimeter to test for continuity; if the switch is faulty, replace it with a new unit.
Reassemble the door panel carefully.

5. Inspect Wiring Harnesses and Connectors

Check the wiring harness and connectors leading to the door lock actuator for any visible damage.
Repair any broken wires by splicing or replacing as necessary.
Ensure all connectors are properly seated.

6. Reconnect Battery and Test

Reconnect the vehicle battery.
Test the power door locks using the key fob and the internal switch to confirm operation.