why is my Ford F-150 13th Generation (2015-2020) remote start not working

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

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

484 words

Problem Statement

Learn how to diagnose and fix remote start issues in 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 battery before working on electrical systems to prevent shorts and injury.

Symptoms

•Remote start button on the key fob does not respond
•Check engine light illuminated on the dashboard
•Vehicle does not crank or start when remote start is attempted
•Security indicator light flashing
•No sound from the engine or starter when attempting remote start
•Possible issues with key fob battery or range

Diagnostic Steps

1
Check the key fob battery to ensure it has sufficient charge.
2
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
3
Verify that the vehicle is in the proper conditions for remote start (e.g., doors closed, hood closed, vehicle in park).
4
Inspect the vehicle's battery and connections for any corrosion or loose terminals.
5
Test the key fob's signal range to determine if it is functioning correctly.
6
Check the status of the vehicle's anti-theft system to ensure it is not preventing remote start.

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

•OBD-II scanner
•Small flathead screwdriver
•Wrench set
•Battery terminal cleaner

Parts Required

•Key fob battery (CR2032)

Related Faults

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Symptoms

•Remote start button on the key fob does not respond

•Check engine light illuminated on the dashboard

•Vehicle does not crank or start when remote start is attempted

•Security indicator light flashing

•No sound from the engine or starter when attempting remote start

•Possible issues with key fob battery or range

Diagnostic Steps

1
Check the key fob battery to ensure it has sufficient charge.
2
Scan the vehicle's onboard computer for any error codes using an OBD-II scanner.
3
Verify that the vehicle is in the proper conditions for remote start (e.g., doors closed, hood closed, vehicle in park).
4
Inspect the vehicle's battery and connections for any corrosion or loose terminals.
5
Test the key fob's signal range to determine if it is functioning correctly.
6
Check the status of the vehicle's anti-theft system to ensure it is not preventing remote start.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the vehicle’s battery to ensure safety while working on electrical systems.

2. Replace Key Fob Battery

Tools Required: Small flathead screwdriver, new battery (typically CR2032).
Open the key fob using the flathead screwdriver.
Remove the old battery and insert the new battery, ensuring correct polarity.
Reassemble the key fob and test the remote start function.

3. Clear Error Codes

Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle's diagnostic port.
Follow the scanner's instructions to read and clear any error codes.
Disconnect the scanner and reconnect the vehicle's battery.

4. Check Battery Connections

Tools Required: Wrench set, battery terminal cleaner.
Inspect the battery terminals for corrosion; clean if necessary.
Tighten any loose connections to ensure good contact.

5. Verify Conditions for Remote Start

Ensure all doors are closed, the hood is shut, and the vehicle is in the "Park" position.
Check for any issues with the vehicle's anti-theft system that may prevent remote start.