my Ford Explorer Fifth Generation (2011-2019) key fob won’t work what do I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

443 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 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Handle the battery with care and dispose of the old battery properly.

Symptoms

•Key fob buttons do not respond when pressed
•LED indicator on the fob does not light up
•Vehicle does not recognize the key fob for starting
•Intermittent operation of the key fob
•Range of the key fob is significantly reduced

Diagnostic Steps

1
Check the battery in the key fob and replace if necessary.
2
Inspect the key fob for physical damage or corrosion.
3
Attempt to reprogram the key fob using the vehicle’s onboard programming procedure.
4
Test the key fob with a secondary vehicle if available.
5
Use an OBD-II scanner to check for any related trouble 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

•Small flathead screwdriver
•OBD-II scanner

Parts Required

•CR2032 battery

Related Faults

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Diagnostic Steps

1
Check the battery in the key fob and replace if necessary.
2
Inspect the key fob for physical damage or corrosion.
3
Attempt to reprogram the key fob using the vehicle’s onboard programming procedure.
4
Test the key fob with a secondary vehicle if available.
5
Use an OBD-II scanner to check for any related trouble codes.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure you have a new battery compatible with the key fob (commonly CR2032).
Have the owner's manual available for reference on reprogramming.

2. Replace Key Fob Battery

Sub-steps:
1. Use a small flathead screwdriver to carefully pry open the key fob casing along the seam.
2. Remove the old battery and note the orientation.
3. Insert the new battery in the same orientation as the old one.
4. Snap the key fob casing back together until it clicks securely.

3. Reprogram Key Fob

Sub-steps:
1. Sit inside the vehicle and close all doors.
2. Insert the key into the ignition and turn it to the "On" position (do not start the engine) and then back to "Off" five times within 10 seconds.
3. Turn the key to the "On" position again, and the locks should cycle indicating that the vehicle is in programming mode.
4. Press any button on the key fob within 40 seconds; the locks should cycle again confirming successful programming.
5. Turn the key to "Off" to exit programming mode.