how to fix the remote start not working on my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

505 words

Problem Statement

Learn how to diagnose and fix the remote start issue on your 2020-present 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 repairs to avoid shorts or shocks.

Symptoms

•Remote start button on the key fob does not activate the engine.
•Vehicle does not respond to remote start attempts.
•Check engine light illuminated on the dashboard.
•Instrument panel displays warnings or notifications related to the remote start system.
•Doors lock and unlock normally with the key fob.

Diagnostic Steps

1
Check the key fob battery to ensure it has sufficient charge.
2
Use an OBD-II scanner to check for any Diagnostic Trouble Codes (DTCs) related to the remote start system.
3
Verify that the vehicle is in a suitable condition for remote start (e.g., hood closed, doors locked, vehicle not in gear).
4
Inspect the vehicle's battery voltage to ensure it is within operational limits.
5
Confirm that the remote start feature is enabled in the vehicle's settings via the infotainment 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
•Small flathead screwdriver

Parts Required

•Key fob battery (CR2032)

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Symptoms

•Remote start button on the key fob does not activate the engine.

•Vehicle does not respond to remote start attempts.

•Check engine light illuminated on the dashboard.

•Instrument panel displays warnings or notifications related to the remote start system.

•Doors lock and unlock normally with the key fob.

Diagnostic Steps

1
Check the key fob battery to ensure it has sufficient charge.
2
Use an OBD-II scanner to check for any Diagnostic Trouble Codes (DTCs) related to the remote start system.
3
Verify that the vehicle is in a suitable condition for remote start (e.g., hood closed, doors locked, vehicle not in gear).
4
Inspect the vehicle's battery voltage to ensure it is within operational limits.
5
Confirm that the remote start feature is enabled in the vehicle's settings via the infotainment system.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked in a safe location and the engine is off.
Disconnect the negative battery terminal to ensure safety.

2. Check Key Fob

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

3. Inspect Vehicle's Electrical System

Tools Required: Multimeter.
Reconnect the negative battery terminal.
Use a multimeter to measure the vehicle battery voltage; it should be between 12.4V and 12.8V for optimal performance.
If voltage is low, charge or replace the vehicle battery.

4. Reset Remote Start Settings

Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle's port.
Access the settings related to remote start and ensure it is enabled.
Clear any DTCs that may be affecting the remote start functionality.

5. Test the Remote Start

Attempt to use the remote start feature with the key fob.
Ensure the vehicle is in an appropriate state (e.g., hood closed, doors locked).