my Ford Explorer key fob not working how can I fix it

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

435 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' to prevent accidental movement while working on the key fob.

Symptoms

•Key fob buttons do not respond when pressed
•Vehicle does not unlock or lock with key fob
•LED light on key fob does not illuminate when buttons are pressed
•Intermittent functionality of the key fob
•Difficulty starting the vehicle with the key fob

Diagnostic Steps

1
Check the battery in the key fob for corrosion or low voltage using a multimeter.
2
Replace the battery in the key fob and test the functionality.
3
Reprogram the key fob to ensure it's synchronized with the vehicle.
4
Inspect the key fob for physical damage or water ingress.
5
Check for any interference from other electronic devices or key fobs.

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 screwdriver
•Replacement battery (typically CR2032 or CR2025)
•Multimeter

Parts Required

•Replacement battery (CR2032 or CR2025)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the battery in the key fob for corrosion or low voltage using a multimeter.
2
Replace the battery in the key fob and test the functionality.
3
Reprogram the key fob to ensure it's synchronized with the vehicle.
4
Inspect the key fob for physical damage or water ingress.
5
Check for any interference from other electronic devices or key fobs.

Solution

1. Preparation

Gather tools: small screwdriver, replacement battery (typically CR2032 or CR2025), multimeter.
Ensure the vehicle is in a safe location and the ignition is off.

2. Replace the Key Fob Battery

Use a small screwdriver to carefully pry open the key fob case.
Remove the old battery and inspect for corrosion on the terminals.
Insert the new battery, ensuring the correct polarity (+/-) aligns.
Snap the key fob case back together securely.

3. Reprogram the Key Fob

Sit in the driver's seat with all doors closed.
Insert the key into the ignition and turn it to the "On" position (do not start the engine).
Turn the key back to "Off" and then remove it.
Within 10 seconds, insert the key back into the ignition and turn it to "On" again.
Press any button on the key fob within 20 seconds to program it to the vehicle.
Turn the ignition to "Off" to complete the programming process.