my Ford F-150 13th Generation (2015-2020) key fob not working what should I do

Ford F-150 13th Generation (2015-2020)

Error Codes

15-30 minutes

Time

easy

Difficulty

medium

Severity

3 min read

425 words

Problem Statement

Learn how to troubleshoot and fix a non-working key fob for Ford F-150 (2015-2020). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component

Electrical

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Key fob not responding when buttons are pressed
•Vehicle does not unlock or lock remotely
•LED indicator on the key fob does not illuminate
•Potential 'Key Not Detected' message on the dashboard
•Difficulty starting the vehicle (if the key fob is integrated with the ignition system)

Diagnostic Steps

1
Check the battery in the key fob and replace if necessary.
2
Inspect the key fob for physical damage or water exposure.
3
Attempt to reprogram the key fob to the vehicle.
4
Verify the vehicle's battery is fully charged and in good condition.
5
Scan the vehicle’s computer system for any error codes related to the keyless entry system.

Solution

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

Parts Required

•CR2032 battery (replacement)

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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 water exposure.
3
Attempt to reprogram the key fob to the vehicle.
4
Verify the vehicle's battery is fully charged and in good condition.
5
Scan the vehicle’s computer system for any error codes related to the keyless entry system.

Solution

1. Preparation

Gather necessary tools: small flathead screwdriver, replacement battery (CR2032), and a clean cloth.
Ensure the vehicle is parked in a safe location and the engine is off.

2. Replace Key Fob Battery

Use the small flathead screwdriver to gently pry open the key fob casing.
Carefully remove the old battery, noting the orientation (positive side facing up).
Insert the new battery (CR2032) into the key fob, ensuring the correct orientation.
Snap the key fob casing back together securely.

3. Reprogram the Key Fob (if necessary)

Enter the vehicle and close all doors.
Insert the key into the ignition and turn it to the "On" position (do not start the engine).
Press the "Lock" button on the key fob for about 5 seconds.
Turn the ignition to "Off" and remove the key.
Test the key fob to see if it unlocks and locks the vehicle.