my Ford Explorer's key fob is not working, how do I reprogram it

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1 hour

Time

medium

Difficulty

medium

Severity

3 min read

443 words

Problem Statement

Learn how to reprogram your Ford Explorer key fob with this step-by-step guide. Troubleshoot symptoms and follow diagnostic steps for a quick fix.

Affected Component

Electrical

Estimated Time

1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and the ignition is off before performing any procedures.

Symptoms

•Key fob buttons do not respond
•Vehicle does not unlock or lock remotely
•Engine does not start with the key fob present
•Warning light on the dashboard related to the key fob
•Inability to activate panic alarm

Diagnostic Steps

1
Check the battery in the key fob for voltage using a multimeter.
2
Replace the battery if it is low or dead and test the key fob again.
3
Ensure that the key fob is within the proper range of the vehicle.
4
Verify if there are any stored error codes using an OBD-II scanner.
5
Check if the vehicle's battery is charged and functioning properly.
6
Inspect the key fob for physical damage or wear.

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
•Flathead screwdriver
•Small Phillips screwdriver

Parts Required

•Replacement key fob battery

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Diagnostic Steps

1
Check the battery in the key fob for voltage using a multimeter.
2
Replace the battery if it is low or dead and test the key fob again.
3
Ensure that the key fob is within the proper range of the vehicle.
4
Verify if there are any stored error codes using an OBD-II scanner.
5
Check if the vehicle's battery is charged and functioning properly.
6
Inspect the key fob for physical damage or wear.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, flathead screwdriver, small Phillips screwdriver, replacement battery (if needed).
Ensure the vehicle's battery is charged and the key fob battery (if replaced) is installed correctly.

2. Enter Programming Mode

Sit in the driver's seat and close all doors.
Insert the key into the ignition and turn it from "Off" to "Run" (not starting the engine) eight times within 10 seconds, ending in the "Run" position. The locks should cycle to indicate programming mode is activated.

3. Program the Key Fob

Press any button on the key fob within 30 seconds of entering programming mode. The locks should cycle again to confirm that the fob has been programmed.
Repeat the button press for additional key fobs if needed (up to 4 key fobs can typically be programmed).
Turn the ignition off to exit programming mode.

4. Test the Key Fob

Test all functions of the key fob, including locking/unlocking the doors and starting the engine.