how do I fix the key fob not working in my Ford Explorer Fifth Generation (2011-2019)?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30-60 minutes

Time

medium

Difficulty

medium

Severity

3 min read

494 words

Problem Statement

Learn how to diagnose and fix a non-working key fob for Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

30-60 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and the engine is off before performing repairs.

Symptoms

•Key fob buttons are unresponsive
•Vehicle does not respond to key fob commands
•Check battery warning light on dashboard (if applicable)
•Inability to start the engine with the key fob present
•Key fob indicator light not illuminating when buttons are pressed

Diagnostic Steps

1
Check the key fob battery by opening the fob and inspecting its condition.
2
Test the key fob signal using an OBD-II scanner or a dedicated key fob tester.
3
Inspect the key fob for physical damage or wear.
4
Check the vehicle's receiver module for any error codes using an OBD-II scanner.
5
Verify that the vehicle battery is fully charged and connections are secure.
6
Attempt to synchronize the key fob with the vehicle.

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
•Multimeter

Parts Required

•Key fob battery (CR2032 or as specified)

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Diagnostic Steps

1
Check the key fob battery by opening the fob and inspecting its condition.
2
Test the key fob signal using an OBD-II scanner or a dedicated key fob tester.
3
Inspect the key fob for physical damage or wear.
4
Check the vehicle's receiver module for any error codes using an OBD-II scanner.
5
Verify that the vehicle battery is fully charged and connections are secure.
6
Attempt to synchronize the key fob with the vehicle.

Solution

1. Preparation

Gather necessary tools: small flathead screwdriver, multimeter, replacement battery (CR2032 or as specified).
Ensure the vehicle is parked in a safe location with the engine off.

2. Replace Key Fob Battery

Use a small flathead screwdriver to carefully pry open the key fob case.
Remove the old battery, noting the orientation for the new battery installation.
Use a multimeter to verify that the new battery has the correct voltage (3V).
Insert the new battery in the same orientation as the old one.
Reassemble the key fob securely, ensuring no gaps remain.

3. Re-Synchronize Key Fob

Enter the vehicle and close all doors.
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 5 seconds of turning the ignition to "On".
Turn the ignition to "Off" and remove the key.
Test the key fob by pressing the buttons to ensure functionality.

4. Inspect Receiver Module (if necessary)

If the key fob still does not work, locate the receiver module, often found under the dashboard or near the steering column.
Disconnect the module harness and inspect for corrosion or loose connections.
Reconnect the harness securely and test the key fob again.