my Ford F-150 13th Generation (2015-2020) won’t unlock with the key fob what can I do

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

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

435 words

Problem Statement

Learn how to diagnose and fix key fob issues for Ford F-150 13th Generation (2015-2020). 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 key fob carefully to avoid damaging internal components.

Symptoms

•Key fob is unresponsive when buttons are pressed
•Vehicle does not unlock with key fob proximity
•Warning light on the dashboard indicating a key fob issue
•Manual unlocking of doors works correctly
•Battery in the key fob may be dead
•Possible interference from other electronic devices

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Replace the key fob battery and test its functionality.
3
Check for error messages or codes using an OBD-II scanner.
4
Verify if the vehicle can be unlocked using the physical key.
5
Investigate for interference from other electronic devices nearby.
6
Test a second key fob (if available) to determine if the issue is with the fob or 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
•OBD-II scanner

Parts Required

•CR2032 battery

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the key fob for physical damage or wear.
2
Replace the key fob battery and test its functionality.
3
Check for error messages or codes using an OBD-II scanner.
4
Verify if the vehicle can be unlocked using the physical key.
5
Investigate for interference from other electronic devices nearby.
6
Test a second key fob (if available) to determine if the issue is with the fob or the vehicle.

Solution

1. Preparation

Gather necessary tools: Flathead screwdriver, replacement battery (CR2032), and OBD-II scanner.
Ensure the vehicle is in a safe environment to perform repairs.

2. Replace Key Fob Battery

Sub-steps:
1. Use the flathead screwdriver to gently pry open the key fob casing.
2. Remove the old battery and dispose of it properly.
3. Insert a new CR2032 battery, ensuring the positive (+) side is facing up.
4. Reassemble the key fob casing securely.

3. Reprogram Key Fob (if necessary)

Sub-steps:
1. Sit in the vehicle with all doors closed.
2. Insert the key into the ignition and turn it to the "On" position (do not start the engine).
3. Cycle the ignition from "Off" to "On" eight times within 10 seconds, ending in the "On" position.
4. The locks should cycle, indicating the vehicle is in programming mode.
5. Press any button on the key fob within 30 seconds to program it.
6. Turn the ignition to "Off" to exit programming mode.