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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

496 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 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in 'Park' and the engine is off when working on the key fob.

Symptoms

•Key fob buttons unresponsive
•Vehicle does not lock or unlock with key fob
•Check key fob battery warning on dashboard
•Inability to start the vehicle with the key fob
•Physical damage or wear on the key fob casing

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery of the key fob using a multimeter or replace it with a new one.
3
Attempt to reprogram the key fob using the vehicle's manual instructions.
4
Scan the vehicle's OBD-II for any related trouble codes.
5
Test the key fob's signal range by moving closer to 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

•Flathead 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 of the key fob using a multimeter or replace it with a new one.
3
Attempt to reprogram the key fob using the vehicle's manual instructions.
4
Scan the vehicle's OBD-II for any related trouble codes.
5
Test the key fob's signal range by moving closer to the vehicle.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is in a safe environment and the engine is off.
Tools Required: Flathead screwdriver, multimeter, replacement battery (typically CR2032).

2. Replace Key Fob Battery

Open the Key Fob:
- Use a flathead screwdriver to gently pry open the key fob casing.
- Be careful not to damage the casing or internal components.
Remove Old Battery:
- Note the orientation (positive and negative sides) of the old battery.
- Remove the old battery by sliding it out of the slot.
Install New Battery:
- Insert the new battery in the same orientation as the old one.
- Ensure it fits snugly in the compartment.
Reassemble the Key Fob:
- Snap the key fob casing back together, ensuring all clips are secure.

3. Reprogram Key Fob

Enter Programming Mode:
- Insert the key into the ignition and turn it to the "On" position, then back to "Off" within 10 seconds.
- Repeat this step eight times, ending in the "On" position to enter programming mode.
Program the Key Fob:
- Press any button on the key fob within 20 seconds of entering programming mode.
- Verify successful programming by observing the locks cycle.
Exit Programming Mode:
- Turn the ignition key to the "Off" position to exit programming mode.