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

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

532 words

Problem Statement

Learn how to diagnose and fix power locks not working on Ford Explorer Sixth Generation (2020-present). Step-by-step guide with tools and tips.

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 short circuits.
•Allow the vehicle to cool before working on any components that may have been heated.

Symptoms

•Power lock switch does not respond when pressed.
•Doors remain locked or unlocked despite switch activation.
•No sound from locking mechanism when attempting to engage locks.
•Keyless entry system is unresponsive.
•Vehicle security system may be activated or malfunctioning.

Diagnostic Steps

1
Check the power lock fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any trouble codes related to the body control module (BCM).
3
Inspect the power lock switch for physical damage or disconnection.
4
Test the wiring harness connected to the power lock actuator for shorts or breaks.
5
Verify if the battery voltage is within the normal range; check for battery corrosion.
6
Check for proper operation of the key fob and its battery status.

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

•Multimeter
•Screwdriver set
•Torque wrench
•Wire connectors

Parts Required

•Power lock actuator (if faulty)
•Power lock switch (if faulty)
•Fuse (if blown)

Related Faults

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Diagnostic Steps

1
Check the power lock fuse in the fuse box for continuity.
2
Use an OBD-II scanner to check for any trouble codes related to the body control module (BCM).
3
Inspect the power lock switch for physical damage or disconnection.
4
Test the wiring harness connected to the power lock actuator for shorts or breaks.
5
Verify if the battery voltage is within the normal range; check for battery corrosion.
6
Check for proper operation of the key fob and its battery status.

Solution

1. Preparation

Tools Required:
- Multimeter
- Screwdriver set
- Torque wrench
- Wire connectors (if needed)
Ensure the vehicle is parked on a flat surface and the ignition is off.

2. Fuse Inspection

Locate the fuse box under the dashboard or in the engine compartment.
Remove the cover and identify the power lock fuse using the diagram on the lid.
Use a multimeter to check the fuse for continuity. Replace if blown.

3. Switch and Wiring Inspection

Remove the door panel using a screwdriver and trim removal tool.
Disconnect the power lock switch connector.
Inspect the switch for continuity using a multimeter; replace if faulty.
Check the wiring harness for any signs of damage, fraying, or disconnection.
- Repair or replace any damaged wires as necessary.

4. Power Lock Actuator Testing

Locate the power lock actuator within the door.
Disconnect the actuator's wiring harness.
Use a multimeter to check for voltage at the connector when the lock switch is pressed.
- If voltage is present, replace the actuator.
- If no voltage, trace the wiring back to the BCM for further inspection.

5. Reassemble

Reattach all connectors and ensure there are no loose connections.
Reinstall the door panel, ensuring all clips are secured.
Test the locks before fully reassembling to confirm functionality.