how to fix the 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

510 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

•Handle the key fob carefully to avoid damaging the internal components.

Symptoms

•Key fob buttons unresponsive
•Engine will not start with the fob in the ignition
•No remote locking/unlocking of doors
•Warning light on the dashboard indicating a key fob issue
•Physical key works but remote functions do not

Diagnostic Steps

1
Check the battery level in the key fob using a multimeter.
2
Inspect the key fob for physical damage or signs of wear.
3
Reprogram the key fob following the manufacturer’s instructions.
4
Test the key fob with a second vehicle if available to confirm if the issue is with the fob or the vehicle.
5
Scan the vehicle’s onboard diagnostics for any related error codes.

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

•Flathead screwdriver
•Small Phillips screwdriver
•Multimeter
•OBD-II scanner

Parts Required

•CR2032 key fob battery

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Diagnostic Steps

1
Check the battery level in the key fob using a multimeter.
2
Inspect the key fob for physical damage or signs of wear.
3
Reprogram the key fob following the manufacturer’s instructions.
4
Test the key fob with a second vehicle if available to confirm if the issue is with the fob or the vehicle.
5
Scan the vehicle’s onboard diagnostics for any related error codes.

Solution

1. Preparation

Gather required tools: flathead screwdriver, small Phillips screwdriver, new key fob battery, and OBD-II scanner (if necessary).
Ensure you have a clean workspace and wear safety glasses.

2. Replace Key Fob Battery

Open the Key Fob:
- Use the flathead screwdriver to gently pry open the key fob casing at the seam.
- Be careful to avoid damaging the fob casing.
Remove Old Battery:
- Locate the battery compartment inside the fob.
- Note the battery orientation, then remove the old battery.
Install New Battery:
- Insert the new battery (typically CR2032) into the compartment, ensuring the positive side aligns with the correct orientation.
- Close the key fob casing by snapping it back together securely.

3. Reprogram the Key Fob (if necessary)

Enter Programming Mode:
- Insert the key into the ignition and turn it to the "On" position without starting the engine.
- Turn the key back to "Off" and remove it.
Program the Key Fob:
- Press any button on the key fob within 10 seconds after turning the ignition back to "On."
- Repeat this step for additional key fobs if needed.

4. Test the Key Fob

Stand near the vehicle and press the lock/unlock buttons to verify that the key fob is functioning correctly.
Start the engine to confirm that the fob is recognized by the vehicle.