how to fix my Ford F-150 13th Generation (2015-2020) key fob not working

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

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

531 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to prevent shorts or shocks.

Symptoms

•Key fob buttons unresponsive
•Vehicle doesn't respond to key fob at all
•Intermittent connection or functionality
•Key fob battery warning light illuminated
•Difficulty starting the vehicle with key fob proximity

Diagnostic Steps

1
Check the key fob battery for corrosion or damage.
2
Replace the battery in the key fob.
3
Attempt to reprogram the key fob using the vehicle's ignition sequence.
4
Inspect the vehicle's receiver module for faults or disconnections.
5
Scan the vehicle for any error codes related to the keyless entry system.

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 or coin
•Multimeter
•Socket set
•OBD-II scanner

Parts Required

•Replacement key fob battery (CR2032)
•Receiver module (if faulty)

Related Faults

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Diagnostic Steps

1
Check the key fob battery for corrosion or damage.
2
Replace the battery in the key fob.
3
Attempt to reprogram the key fob using the vehicle's ignition sequence.
4
Inspect the vehicle's receiver module for faults or disconnections.
5
Scan the vehicle for any error codes related to the keyless entry system.

Solution

1. Preparation

Gather tools and replacement parts.
Ensure the vehicle is in a safe, well-lit area.
Disconnect the battery if necessary for safety.

2. Replace Key Fob Battery

Tools Required: Flathead screwdriver or coin, replacement battery (typically CR2032).
Steps:
1. Use the flathead screwdriver or coin to gently pry open the key fob casing at the seam.
2. Remove the old battery, noting the orientation (+/-).
3. Insert the new battery in the correct orientation.
4. Snap the key fob casing back together until secure.

3. Reprogram Key Fob

Tools Required: None.
Steps:
1. Sit in the driver's seat and close all doors.
2. Insert the key into the ignition and turn it to the "On" position (do not start the engine).
3. Turn the key to the "Off" position and then back to "On" eight times within ten seconds. The door locks should cycle to indicate programming mode.
4. Press any button on the key fob within 20 seconds to program it.
5. Turn the ignition back to "Off" to exit programming mode.

4. Inspect Vehicle Receiver Module

Tools Required: Multimeter, socket set.
Steps:
1. Locate the receiver module, typically found under the dashboard or behind the glove compartment.
2. Visually inspect wiring and connectors for damage or loose connections.
3. Use a multimeter to check for voltage at the receiver; refer to the vehicle’s service manual for specific voltage requirements.
4. If faulty, replace the receiver module according to manufacturer specifications.