how to troubleshoot my Ford Explorer if the remote start isn't activating

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

476 words

Problem Statement

Learn how to troubleshoot and fix remote start issues in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before performing any electrical system checks or repairs.

Symptoms

•Remote start button does not respond when pressed
•No engine start or sound from the vehicle
•Security indicator light flashing or illuminated
•Key fob battery low or dead warning
•Check engine light illuminated (if applicable)
•Other electrical features (e.g., door locks) may also be non-functional

Diagnostic Steps

1
Check the battery in the key fob to ensure it has sufficient charge.
2
Verify that all doors, the hood, and the trunk are securely closed.
3
Confirm that the vehicle is in 'Park' mode and that the brake pedal is not being pressed.
4
Scan for error codes using an OBD-II scanner to identify any potential issues.
5
Inspect the remote start system's fuses to ensure they are not blown.
6
Test the remote start feature from a closer distance to rule out range issues.

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

•Key fob battery (if needed)
•Replacement fuses (if needed)

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Symptoms

•Remote start button does not respond when pressed

•No engine start or sound from the vehicle

•Security indicator light flashing or illuminated

•Key fob battery low or dead warning

•Check engine light illuminated (if applicable)

•Other electrical features (e.g., door locks) may also be non-functional

Diagnostic Steps

1
Check the battery in the key fob to ensure it has sufficient charge.
2
Verify that all doors, the hood, and the trunk are securely closed.
3
Confirm that the vehicle is in 'Park' mode and that the brake pedal is not being pressed.
4
Scan for error codes using an OBD-II scanner to identify any potential issues.
5
Inspect the remote start system's fuses to ensure they are not blown.
6
Test the remote start feature from a closer distance to rule out range issues.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, multimeter, and replacement key fob battery.
Ensure the vehicle is parked safely and the ignition is off.

2. Check Key Fob Battery

Remove the key fob cover using a small flathead screwdriver.
Replace the old battery with a new one, ensuring the correct polarity.
Reassemble the key fob and test the remote start functionality.

3. Inspect Security System

Use the OBD-II scanner to check for any active security system codes.
If codes are found, follow manufacturer specifications for addressing these codes.
Clear the codes and attempt to use the remote start again.

4. Fuse Inspection

Open the fuse box and locate the remote start fuse (refer to the owner’s manual for the exact location).
Remove the fuse and check it for continuity using a multimeter.
Replace any blown fuses with the same amperage rating.

5. Wiring and Connections

Visually inspect the wiring and connections related to the remote start system.
Look for any signs of damage, corrosion, or loose connections.
Repair or replace any damaged wiring as necessary.