my Ford F-150 13th Generation (2015-2020) remote start not working what can I do

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

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

523 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 the battery before working on electrical components to prevent short circuits.

Symptoms

•Remote start button does not activate the engine
•No indicator lights or sounds when pressing the remote start button
•Check engine light illuminated
•Engine cranks but does not start
•Remote key fob battery is low or dead
•Vehicle does not respond to the remote key fob at all

Diagnostic Steps

1
Check the remote key fob battery and replace it if necessary.
2
Scan the vehicle for diagnostic trouble codes (DTC) using an OBD-II scanner.
3
Inspect the vehicle's hood and door switches to ensure they are functioning correctly.
4
Verify that the vehicle is in 'Park' and the brake pedal is not pressed.
5
Test the remote start feature using an alternate key fob if available.
6
Check for any aftermarket modifications that may interfere with the remote start 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
•Screwdriver set

Parts Required

•CR2032 battery for key fob
•Replacement hood or door switches (if faulty)

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Diagnostic Steps

1
Check the remote key fob battery and replace it if necessary.
2
Scan the vehicle for diagnostic trouble codes (DTC) using an OBD-II scanner.
3
Inspect the vehicle's hood and door switches to ensure they are functioning correctly.
4
Verify that the vehicle is in 'Park' and the brake pedal is not pressed.
5
Test the remote start feature using an alternate key fob if available.
6
Check for any aftermarket modifications that may interfere with the remote start system.

Solution

1. Preparation

Gather tools and equipment: OBD-II scanner, multimeter, screwdriver set, and a new battery for the remote key fob if needed.
Ensure the vehicle is parked safely with the engine off.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob casing using a small screwdriver.
2. Remove the old battery and install a new CR2032 battery, ensuring the correct polarity.
3. Reassemble the key fob and test the remote start function.

3. Inspect Hood and Door Switches

Sub-steps:
1. Locate the hood and door switches; these are typically found near the latch and on the door frame respectively.
2. Use a multimeter to check for continuity; the switch should close when the hood is closed or the door is shut.
3. If a switch is faulty, replace it with a new component.

4. Reset the Remote Start System

Sub-steps:
1. Disconnect the vehicle's negative battery terminal to reset the system.
2. Wait for at least 10 minutes before reconnecting the terminal.
3. Reconnect the terminal and test the remote start function.

5. Reprogram the Key Fob (if necessary)

Sub-steps:
1. Insert the key into the ignition and turn it to the "On" position without starting the engine.
2. Press the remote start button on the key fob for at least 5 seconds.
3. Turn the ignition off and remove the key, then test the remote start feature again.