how to fix a broken key fob for Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

438 words

Problem Statement

Learn how to diagnose and fix key fob issues for Ford Explorer (2020-present). 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 turned off before working on the key fob.

Symptoms

•Key fob buttons not responding
•Check key fob battery warning on the dashboard
•Inability to unlock/lock doors remotely
•Engine not starting when key fob is inside the vehicle
•LED indicator on fob not lighting up

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery status using a multimeter or by replacing the battery.
3
Attempt to reprogram the key fob using the vehicle's onboard programming procedure.
4
Verify the vehicle's receiver is functioning by testing with a spare key fob if available.
5
Check for any error codes related to the keyless entry system using an OBD-II scanner.

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

•Replacement battery (CR2032)

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Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Check the battery status using a multimeter or by replacing the battery.
3
Attempt to reprogram the key fob using the vehicle's onboard programming procedure.
4
Verify the vehicle's receiver is functioning by testing with a spare key fob if available.
5
Check for any error codes related to the keyless entry system using an OBD-II scanner.

Solution

1. Preparation

Gather tools and components required for the repair.
Tools Required: Small flathead screwdriver, multimeter, replacement battery (CR2032).
Safety Warnings: Ensure the vehicle is turned off before working on the key fob.

2. Open the Key Fob

Use a small flathead screwdriver to gently pry open the key fob casing.
Carefully separate the two halves without damaging the internal components.

3. Replace the Battery

Remove the old battery from its compartment.
Install the new CR2032 battery, ensuring the positive (+) side is facing up.
Reassemble the key fob by aligning the two halves and pressing them together until they click.

4. Reprogram the Key Fob (if necessary)

Insert the key into the ignition and turn it to the "On" position (do not start the engine).
Press the "Unlock" button on the key fob for a few seconds.
Turn the key to the "Off" position and back to "On" again. Repeat the unlock button press.
Check if the key fob is functioning by trying to lock/unlock the doors.