how to troubleshoot power locks that aren't working on my Ford Explorer

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

553 words

Problem Statement

Learn how to troubleshoot and fix power locks not working on Ford Explorer. Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shock or short circuits.
•Allow the vehicle to rest for a few minutes before working on the electrical components to ensure no residual charge remains.

Symptoms

•Power lock switches do not respond when pressed
•No sounds from the locking mechanism when attempting to operate locks
•Locks operate intermittently or only work on certain doors
•Key fob fails to lock or unlock doors
•Dome light does not illuminate when a door is opened

Diagnostic Steps

1
Check the fuse related to the power locks using the vehicle's fuse box diagram.
2
Inspect the power lock switches for any visible damage or wear.
3
Test the key fob battery and functionality to ensure it is transmitting signals.
4
Perform a visual inspection of the wiring harnesses connected to the door locks for any signs of damage.
5
Use a multimeter to test for voltage at the power lock actuator when the switch is activated.
6
Check the door lock actuators by manually operating them to determine if they are stuck or malfunctioning.

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

•Socket set
•Trim removal tool
•Multimeter
•Fuse puller

Parts Required

•Power lock switch (if damaged)
•Door lock actuator (if faulty)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check the fuse related to the power locks using the vehicle's fuse box diagram.
2
Inspect the power lock switches for any visible damage or wear.
3
Test the key fob battery and functionality to ensure it is transmitting signals.
4
Perform a visual inspection of the wiring harnesses connected to the door locks for any signs of damage.
5
Use a multimeter to test for voltage at the power lock actuator when the switch is activated.
6
Check the door lock actuators by manually operating them to determine if they are stuck or malfunctioning.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery to prevent electrical shock.

2. Inspect and Replace Fuses

Locate the fuse box and identify the power lock fuse (refer to the owner's manual).
Remove the fuse using a fuse puller.
Inspect the fuse for continuity; replace if blown.
Reinstall the new fuse and reconnect the battery.

3. Replace the Power Lock Switch

Remove the panel covering the switch using a trim tool.
Disconnect the electrical connector from the switch.
Install the new switch by connecting the electrical connector and securing it to the panel.
Reattach the panel.

4. Inspect and Replace Wiring

Remove the door panel where the power locks are not functioning.
Check for any damaged or frayed wiring in the door harness.
Repair or replace any damaged wires and ensure proper connections.
Reassemble the door panel after repairs.

5. Test and Replace the Door Lock Actuator

If the locks are still not functioning, remove the door lock actuator.
Test the actuator with a multimeter for proper functionality.
If faulty, replace the door lock actuator with a new one.
Reinstall the actuator and reassemble the door.