how to fix 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

498 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 solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.

Symptoms

•Remote start feature does not activate
•Key fob buttons unresponsive or require multiple presses
•Vehicle security light flashing
•Check engine light illuminated
•Engine starts briefly and shuts off immediately

Diagnostic Steps

1
Check the remote key fob battery for low voltage and replace if necessary.
2
Ensure all doors, hood, and tailgate are closed securely.
3
Scan the vehicle for error codes using an OBD-II scanner to identify potential issues.
4
Verify that the remote start feature is enabled in the vehicle's settings.
5
Inspect the vehicle's battery voltage and connections for any corrosion or loose terminals.
6
Test the remote start system by attempting to start the vehicle within the specified range.

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
•Multimeter
•Small flathead screwdriver

Parts Required

•CR2032 key fob battery

Related Faults

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Diagnostic Steps

1
Check the remote key fob battery for low voltage and replace if necessary.
2
Ensure all doors, hood, and tailgate are closed securely.
3
Scan the vehicle for error codes using an OBD-II scanner to identify potential issues.
4
Verify that the remote start feature is enabled in the vehicle's settings.
5
Inspect the vehicle's battery voltage and connections for any corrosion or loose terminals.
6
Test the remote start system by attempting to start the vehicle within the specified range.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Key Fob Battery

Tools Required: Small flathead screwdriver
Use the flathead screwdriver to gently pry open the key fob.
Remove the old battery and replace it with a new CR2032 battery, ensuring correct polarity.
Reassemble the key fob and test the remote start functionality.

3. Check and Reset Remote Start Settings

Reconnect the negative battery terminal.
Turn the ignition to the "On" position without starting the engine.
Use the vehicle’s infotainment system to navigate to settings and ensure the remote start feature is enabled.
Save any changes and turn off the ignition.

4. Inspect Battery and Connections

Tools Required: Multimeter
Use the multimeter to check the vehicle battery voltage; it should be above 12.4 volts.
Inspect battery terminals for corrosion; clean them if necessary.
Ensure all connections are tight and secure.

5. Check for Error Codes

Tools Required: OBD-II scanner
Connect the OBD-II scanner to the vehicle's diagnostic port.
Clear any existing error codes and attempt to use the remote start again.
If error codes reappear, note them for further investigation.