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

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

520 words

Problem Statement

Learn how to diagnose and fix power locks not working on Ford F-150 (2015-2020). Step-by-step guide with diagnostic procedures 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.
•Allow time for any electrical components to discharge before handling.

Symptoms

•Power lock switch does not respond when pressed
•Doors remain unlocked or cannot be locked
•Key fob does not operate locks
•Audible click from lock mechanism but no movement
•Check for any fault messages on the dashboard

Diagnostic Steps

1
Inspect the fuse for the power locks in the fuse box and replace if blown.
2
Use an OBD-II scanner to check for any fault codes related to the central locking system.
3
Test the power lock switch for continuity using a multimeter.
4
Inspect the wiring harnesses for damage or corrosion at the door and body connection points.
5
Check the operation of the key fob battery and test with a spare fob if available.
6
Verify the functionality of the door actuators by manually locking/unlocking the doors.

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
•Trim removal tools
•Needle-nose pliers
•Fuse puller

Parts Required

•Replacement fuse (if necessary)
•New power lock actuator (if required)

Related Faults

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Diagnostic Steps

1
Inspect the fuse for the power locks in the fuse box and replace if blown.
2
Use an OBD-II scanner to check for any fault codes related to the central locking system.
3
Test the power lock switch for continuity using a multimeter.
4
Inspect the wiring harnesses for damage or corrosion at the door and body connection points.
5
Check the operation of the key fob battery and test with a spare fob if available.
6
Verify the functionality of the door actuators by manually locking/unlocking the doors.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent any electrical shorts during repair.

2. Inspect and Replace the Fuse

Locate the fuse box in the cabin (usually under the dashboard) and identify the fuse for the power locks.
Remove the fuse using a fuse puller or needle-nose pliers.
Inspect the fuse for continuity. If blown, replace it with a new fuse of the same amperage.

3. Repair Wiring Issues

Remove the door panel using a socket set and trim removal tools.
Inspect the wiring harness for any visible damage or corrosion.
Repair any broken wires by soldering or using appropriate connectors.
If necessary, replace the wiring harness.

4. Check and Replace the Power Lock Actuator

If the actuator is failing, remove it from the door by disconnecting the wiring connector.
Unscrew the actuator from its mounting points and replace it with a new actuator.
Reconnect the wiring harness to the new actuator.

5. Reassemble Door Panel

Once repairs are completed, reattach the door panel by aligning it with the door frame.
Secure all clips and screws properly.
Reconnect the battery once the panel is secured.