my Ford Explorer won't unlock with the remote what's going on

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

444 words

Problem Statement

Learn how to diagnose and fix the key fob not unlocking issue in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shock or short circuits.

Symptoms

•Remote key fob does not unlock doors
•No response when pressing any buttons on the fob
•Check engine light illuminated (if applicable)
•Physical key does not unlock the door (if battery is dead)
•Battery in the key fob is low or dead
•Possible malfunction of the vehicle's central locking system

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Replace the battery in the key fob and test operation.
3
Check for any obstructions around the keyless entry receiver on the vehicle.
4
Use a spare key fob to determine if the issue is specific to one fob.
5
Scan the vehicle's onboard computer for any trouble codes related to the central locking system.
6
Inspect and test the central locking system components, including wiring and modules.

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

•Flathead screwdriver
•Multimeter
•OBD-II scanner

Parts Required

•CR2032 battery (or as specified)
•Door lock actuator (if faulty)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Remote key fob does not unlock doors

•No response when pressing any buttons on the fob

•Check engine light illuminated (if applicable)

•Physical key does not unlock the door (if battery is dead)

•Battery in the key fob is low or dead

•Possible malfunction of the vehicle's central locking system

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Replace the battery in the key fob and test operation.
3
Check for any obstructions around the keyless entry receiver on the vehicle.
4
Use a spare key fob to determine if the issue is specific to one fob.
5
Scan the vehicle's onboard computer for any trouble codes related to the central locking system.
6
Inspect and test the central locking system components, including wiring and modules.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle battery before working on electrical components.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob using a flathead screwdriver.
2. Remove the old battery and replace it with a new CR2032 battery (or as specified by the vehicle's manual).
3. Reassemble the key fob.

3. Inspect Central Locking System

Sub-steps:
1. Remove the door panel (if required) to access wiring and components.
2. Inspect the wiring harness for damage or corrosion.
3. Test the locking actuator with a multimeter to ensure proper functionality.
4. Replace any faulty components as necessary.

4. Reprogram Key Fob (if required)

Sub-steps:
1. Insert the key into the ignition and turn it to the "On" position without starting the engine.
2. Within 10 seconds, turn the key to "Off" and then back to "On" three times.
3. Press any button on the fob to complete the programming process.