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

Ford Explorer Sixth Generation (2020-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

522 words

Problem Statement

Learn how to fix a non-working key fob for your Ford Explorer (2020-present). Step-by-step guide on diagnostics, battery replacement, and reprogramming.

Affected Component

Electrical

Estimated Time

30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Be careful when using tools to avoid damaging the key fob.
•Ensure the vehicle is turned off during the repair process.

Symptoms

•Key fob not responding to button presses
•Vehicle not unlocking or locking remotely
•No indicator lights on the key fob when buttons are pressed
•Key fob battery low warning message on the dashboard
•Inability to start the vehicle using the key fob

Diagnostic Steps

1
Check the battery status of the key fob by replacing it with a new battery.
2
Inspect the key fob for physical damage or corrosion.
3
Ensure that the vehicle’s battery is charged and functioning properly.
4
Attempt to reprogram the key fob by following the vehicle’s specific instructions.
5
Use a second key fob (if available) to determine if the problem is with the fob or the vehicle itself.
6
Scan the vehicle's OBD-II system for any relevant error codes that may indicate a problem with the keyless entry system.

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

•Small flathead screwdriver
•New key fob battery (CR2032)
•Clean cloth

Parts Required

•Key fob battery (CR2032)

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Diagnostic Steps

1
Check the battery status of the key fob by replacing it with a new battery.
2
Inspect the key fob for physical damage or corrosion.
3
Ensure that the vehicle’s battery is charged and functioning properly.
4
Attempt to reprogram the key fob by following the vehicle’s specific instructions.
5
Use a second key fob (if available) to determine if the problem is with the fob or the vehicle itself.
6
Scan the vehicle's OBD-II system for any relevant error codes that may indicate a problem with the keyless entry system.

Solution

1. Preparation

Gather tools: small flathead screwdriver, new battery (CR2032), and a clean cloth.
Ensure the vehicle is parked in a safe, well-lit area.

2. Open the Key Fob

Insert the flathead screwdriver into the slot on the side of the key fob.
Gently twist the screwdriver to separate the two halves of the key fob.
Be cautious not to damage the plastic casing.

3. Replace the Battery

Remove the old battery from the key fob casing.
Clean the battery compartment lightly with a cloth to remove any corrosion.
Insert the new battery (CR2032) ensuring the positive (+) side is facing up.

4. Reassemble the Key Fob

Align the two halves of the key fob.
Press them together firmly until they snap back into place.

5. Reprogram the Key Fob (if necessary)

Sit in the driver's seat with the doors closed.
Insert the key into the ignition and turn it to the "On" position (do not start the engine).
Press the "Lock" button on the key fob within 10 seconds.
Turn the key back to the "Off" position and remove it from the ignition.
Test the key fob to ensure it operates correctly.