how to fix Ford Explorer Fifth Generation (2011-2019) key fob not working

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30-60 minutes

Time

medium

Difficulty

medium

Severity

3 min read

552 words

Problem Statement

Learn how to diagnose and fix a non-working key fob for Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

30-60 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is turned off before working on the key fob.
•Handle the key fob components carefully to avoid damage.

Symptoms

•Key fob buttons unresponsive
•Vehicle does not unlock or lock remotely
•Key Not Detected message on the dashboard
•Reduced range of key fob operation
•Battery warning light for the key fob illumination
•Physical wear or damage to the key fob casing

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery voltage of the key fob with a multimeter.
3
Replace the battery in the key fob to see if that resolves the issue.
4
Reprogram the key fob to the vehicle if the battery replacement does not work.
5
Verify the vehicle's remote keyless entry system is functioning properly.
6
Check the vehicle's fuses related to 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
•Phillips screwdriver
•Multimeter

Parts Required

•Replacement battery (CR2032)

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Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery voltage of the key fob with a multimeter.
3
Replace the battery in the key fob to see if that resolves the issue.
4
Reprogram the key fob to the vehicle if the battery replacement does not work.
5
Verify the vehicle's remote keyless entry system is functioning properly.
6
Check the vehicle's fuses related to the keyless entry system.

Solution

1. Preparation

Tools Required: Small flathead screwdriver, Phillips screwdriver, multimeter, replacement battery (typically CR2032).
Ensure the vehicle is in a safe location and the ignition is off.

2. Open the Key Fob

Use a small flathead screwdriver to gently pry open the key fob casing.
- Tip: Start at the seam where the two halves of the fob meet.
Carefully separate the two halves to avoid damaging the internal components.

3. Replace the Battery

Remove the old battery from the key fob.
- Note: Take note of the battery orientation (positive and negative sides).
Insert the new replacement battery (CR2032 or as specified).
Ensure the battery is seated properly and making good contact.

4. Reassemble the Key Fob

Align the two halves of the key fob casing.
Press them together until you hear a click, indicating they are securely closed.
Avoid using excessive force to prevent damage.

5. Reprogram the Key Fob (if necessary)

Sit in the driver's seat and close all doors.
Insert the key into the ignition and turn it from "Off" to "Run" eight times within ten seconds.
The vehicle will lock and unlock the doors to indicate it is in programming mode.
Press any button on the key fob to program it. The doors will lock and unlock again to confirm.
Turn the ignition off to exit programming mode.