my Ford F-150 13th Generation (2015-2020) power locks are not working, what’s wrong

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

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

593 words

Problem Statement

Learn how to diagnose and fix power lock issues in 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 to prevent shorts.
•Allow the vehicle to cool down before handling any components that may have been in use.

Symptoms

•Power locks do not engage or respond when activated.
•Key fob is unresponsive to lock/unlock commands.
•Lock/unlock button inside the vehicle does not work.
•Audible clicking sound from the door lock actuators.
•Dashboard warning lights may illuminate intermittently.

Diagnostic Steps

1
Check the vehicle's battery voltage using a multimeter to ensure it is fully charged.
2
Use an OBD-II scanner to check for any stored error codes related to the central locking system.
3
Inspect the fuses related to the power locks for any blown fuses in the fuse box.
4
Test the key fob battery and replace it if necessary.
5
Perform a visual inspection of the wiring and connectors at the door lock actuators for damage or corrosion.
6
Check the functionality of the door lock actuators by applying direct power to them.

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
•Fuse puller or pliers
•Jumper wires

Parts Required

•Replacement fuses (if blown)
•Key fob battery (if needed)

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Diagnostic Steps

1
Check the vehicle's battery voltage using a multimeter to ensure it is fully charged.
2
Use an OBD-II scanner to check for any stored error codes related to the central locking system.
3
Inspect the fuses related to the power locks for any blown fuses in the fuse box.
4
Test the key fob battery and replace it if necessary.
5
Perform a visual inspection of the wiring and connectors at the door lock actuators for damage or corrosion.
6
Check the functionality of the door lock actuators by applying direct power to them.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, screwdriver set, and new fuses if necessary.
Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Check and Replace Fuses

Locate the fuse box as per the owner's manual.
Identify the fuse for the power locks and remove it using a fuse puller or pliers.
Inspect the fuse for continuity; replace if blown with an equivalent fuse (typically rated for 15A).
Reinstall the fuse and reconnect the battery.

3. Key Fob Inspection and Replacement

Open the key fob using a small screwdriver to access the battery compartment.
Remove the old battery and replace it with a new one, ensuring correct polarity.
Reassemble the key fob and test its functionality.

4. Inspect and Repair Wiring

Remove the door panel using a screwdriver to access the internal wiring and components.
Visually inspect wiring harnesses and connectors for signs of wear, fraying, or corrosion.
Repair or replace any damaged wiring or connectors as necessary.

5. Test Door Lock Actuators

Reconnect the battery and test the power lock system using the key fob and in-cabin buttons.
If issues persist, apply direct power to the door lock actuators using jumper wires.
- If they operate correctly, the problem may be with the control module or wiring rather than the actuators.

6. Reassemble Components

Reinstall the door panel and ensure all clips and screws are securely in place.
Double-check that all wiring connections are properly secured.
Reconnect the battery and perform a final functionality test on the power lock system.