how to fix my Ford F-150 13th Generation (2015-2020) power locks not working

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

595 words

Problem Statement

Learn how to diagnose and fix power locks not working on Ford F-150 13th Generation (2015-2020). Step-by-step guide with tools and parts required.

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 short circuits.

Symptoms

•Power lock switch does not respond when pressed
•No audible locking or unlocking sound from the locks
•Check for any blown fuses related to the locking system
•Intermittent functioning of locks (locks work sometimes)
•Key fob fails to lock or unlock the doors
•Door locks operate manually but not electronically

Diagnostic Steps

1
Inspect the power lock fuse in the fuse box to ensure it is not blown.
2
Use an OBD-II scanner to check for any related error codes.
3
Test the power lock switch for continuity using a multimeter.
4
Verify the functionality of the key fob by checking the battery and reprogramming if necessary.
5
Inspect wiring and connectors between the door and body for damage or corrosion.
6
Check the door lock actuators for proper operation.

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
•Screwdriver set
•Trim removal tool
•Pliers
•Socket set
•Fuse puller

Parts Required

•Replacement fuse (if blown)
•Power lock switch (if faulty)
•Door lock actuator (if defective)
•Key fob battery (if needed)

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Symptoms

•Power lock switch does not respond when pressed

•No audible locking or unlocking sound from the locks

•Check for any blown fuses related to the locking system

•Intermittent functioning of locks (locks work sometimes)

•Key fob fails to lock or unlock the doors

•Door locks operate manually but not electronically

Diagnostic Steps

1
Inspect the power lock fuse in the fuse box to ensure it is not blown.
2
Use an OBD-II scanner to check for any related error codes.
3
Test the power lock switch for continuity using a multimeter.
4
Verify the functionality of the key fob by checking the battery and reprogramming if necessary.
5
Inspect wiring and connectors between the door and body for damage or corrosion.
6
Check the door lock actuators for proper operation.

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 Fuse

Locate the fuse box, typically found under the dashboard or in the engine compartment.
Identify the fuse for the power locks (refer to the owner's manual for the exact fuse location).
Remove the fuse using a fuse puller or pliers.
Inspect the fuse; if it is blown, replace it with a new fuse of the same amperage.
Reconnect the battery and test the power locks.

3. Replace Power Lock Switch (if necessary)

Remove the switch panel from the door using a trim removal tool.
Disconnect the electrical connector from the back of the switch.
Install the new power lock switch by connecting the electrical connector and securing the panel back in place.

4. Inspect and Replace Door Lock Actuator (if necessary)

Remove the door panel using a socket set to take out screws and a trim tool for clips.
Disconnect the wiring harness from the door lock actuator.
Remove the actuator from the door.
Install the new actuator by reversing the removal process and ensuring all connections are secure.

5. Reprogram Key Fob (if necessary)

Insert the key into the ignition and turn it to the "On" position without starting the engine.
Press any button on the key fob for 15 seconds to reprogram it.
Turn the key back to the "Off" position and remove it from the ignition.