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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

505 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 to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Key fob buttons unresponsive
•Vehicle does not lock or unlock with key fob
•No signal or feedback from key fob when pressed
•Red LED indicator on key fob does not illuminate
•Difficulty starting the vehicle using key fob proximity

Diagnostic Steps

1
Replace the battery in the key fob to rule out power issues.
2
Check for physical damage or wear on the key fob.
3
Inspect the vehicle's battery and electrical systems for issues.
4
Attempt to reprogram the key fob using the vehicle's ignition system.
5
Use a second key fob (if available) to determine if the issue is with the fob or the vehicle's receiver.

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
•CR2032 battery
•Multimeter
•Electrical tape

Parts Required

•CR2032 battery
•Replacement key fob

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Diagnostic Steps

1
Replace the battery in the key fob to rule out power issues.
2
Check for physical damage or wear on the key fob.
3
Inspect the vehicle's battery and electrical systems for issues.
4
Attempt to reprogram the key fob using the vehicle's ignition system.
5
Use a second key fob (if available) to determine if the issue is with the fob or the vehicle's receiver.

Solution

1. Battery Replacement

Tools Required: Small flathead screwdriver, CR2032 battery
Carefully open the key fob casing using the flathead screwdriver.
Remove the old battery and replace it with a new CR2032 battery, ensuring the positive (+) side is facing up.
Snap the key fob casing back together securely.

2. Reprogramming the Key Fob

Tools Required: None
Ensure all doors are closed and the vehicle is in the “OFF” position.
Insert the key into the ignition and turn it to the “ON” position (do not start the engine).
Turn the key back to the “OFF” position and remove it.
Within 10 seconds, insert the key back into the ignition and turn it to the “ON” position again.
Press any button on the key fob within 8 seconds to complete the programming.
Turn the ignition to the “OFF” position again to finish the process.

3. Inspecting and Repairing Wiring

Tools Required: Multimeter, electrical tape
Visually inspect the key fob for cracks or damage; replace if necessary.
If issues persist, check the vehicle's wiring harness for any loose connections or damaged wires related to the keyless entry system.
Use a multimeter to test continuity in the wiring.
Repair any damaged wires with electrical tape or by replacing them as needed.