how to troubleshoot 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

510 words

Problem Statement

Learn how to troubleshoot and fix the remote start issue on your 2015-2020 Ford F-150. Step-by-step guide with diagnostic steps and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the vehicle to cool before inspecting any components related to the engine or electrical systems.

Symptoms

•Remote start button does not activate vehicle
•No response from the vehicle when the remote start is attempted
•Key fob battery may be weak or dead
•Security light blinking on the dashboard
•Check engine light illuminated (potentially related to remote start disable)
•Vehicle may start and immediately shut off

Diagnostic Steps

1
Check the battery in the key fob for adequate charge.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any trouble codes.
3
Verify that the vehicle is in a suitable condition for remote start (e.g., doors closed, hood closed, vehicle not running).
4
Inspect the vehicle’s battery for adequate charge and connections.
5
Ensure all doors, hood, and trunk are securely closed.
6
Check the status of the vehicle's alarm and security 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

•OBD-II scanner
•Multimeter
•Flathead screwdriver

Parts Required

•Key fob battery (CR2032 or as specified)
•Vehicle battery (if replacement is necessary)

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Symptoms

•Remote start button does not activate vehicle

•No response from the vehicle when the remote start is attempted

•Key fob battery may be weak or dead

•Security light blinking on the dashboard

•Check engine light illuminated (potentially related to remote start disable)

•Vehicle may start and immediately shut off

Diagnostic Steps

1
Check the battery in the key fob for adequate charge.
2
Scan the vehicle’s onboard diagnostics (OBD-II) for any trouble codes.
3
Verify that the vehicle is in a suitable condition for remote start (e.g., doors closed, hood closed, vehicle not running).
4
Inspect the vehicle’s battery for adequate charge and connections.
5
Ensure all doors, hood, and trunk are securely closed.
6
Check the status of the vehicle's alarm and security system.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked in a safe area with sufficient space.
Disconnect the battery to ensure safety during the inspection.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob using a flathead screwdriver.
2. Remove the old battery and replace it with a new CR2032 battery (or as specified).
3. Reassemble the key fob and test the remote start function.

3. Inspect Vehicle Battery

Sub-steps:
1. Inspect the battery terminals for corrosion or loose connections.
2. Use a multimeter to check the battery voltage; it should be approximately 12.6 volts or higher.
3. If low, charge the battery or replace it if necessary.

4. Check Vehicle Conditions for Remote Start

Sub-steps:
1. Confirm that all doors, the hood, and the trunk are completely closed.
2. Ensure the gear selector is in the "Park" position.
3. Verify that the vehicle's security system is not activated.

5. Clear Diagnostic Trouble Codes (if applicable)

Sub-steps:
1. Reconnect the battery.
2. Use an OBD-II scanner to clear any trouble codes that might be disabling the remote start feature.
3. Attempt to engage the remote start again.