how to troubleshoot the remote start issue on my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

517 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Troubleshoot and fix remote start issues on your 2020-2023 Ford Explorer. 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 the battery before working on electrical systems to prevent shock or short circuits.
•Ensure the vehicle is in a safe location while troubleshooting.

Symptoms

•Remote start button does not respond when pressed
•Vehicle does not start after multiple attempts
•Check engine light illuminated on the dashboard
•Key fob battery low warning displayed
•Engine cranks but does not start
•Remote start indicator light blinking

Diagnostic Steps

1
Verify that the key fob battery is fully charged and functional.
2
Check if the vehicle is in a suitable condition for remote start (e.g., doors closed, hood closed, and no security system alerts).
3
Scan the vehicle’s computer for any error codes using an OBD-II scanner.
4
Inspect the key fob for physical damage or wear.
5
Test the remote start feature using a different key fob, if available.
6
Check the vehicle’s battery voltage to ensure it is adequate for remote start operation.

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 screwdriver

Parts Required

•Key fob battery (CR2032)

Related Faults

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Diagnostic Steps

1
Verify that the key fob battery is fully charged and functional.
2
Check if the vehicle is in a suitable condition for remote start (e.g., doors closed, hood closed, and no security system alerts).
3
Scan the vehicle’s computer for any error codes using an OBD-II scanner.
4
Inspect the key fob for physical damage or wear.
5
Test the remote start feature using a different key fob, if available.
6
Check the vehicle’s battery voltage to ensure it is adequate for remote start operation.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked in a safe and accessible area.
Disconnect the battery to avoid any electrical issues during the process.

2. Replace Key Fob Battery

Tools Required: Small screwdriver, replacement battery (CR2032)
Open the key fob using the small screwdriver and carefully remove the old battery.
Insert the new battery in the correct orientation (positive side up).
Reassemble the key fob and test the remote start function.

3. Check Vehicle Condition for Remote Start

Inspect that all doors are closed securely and the hood is latched.
Ensure that the vehicle is in park and that the brake pedal is not pressed.
Check for any security system indicators on the dashboard.

4. Clear Error Codes

Tools Required: OBD-II scanner
Connect the OBD-II scanner to the diagnostic port under the dashboard.
Scan for any trouble codes and note them.
Clear the codes and attempt remote start again to see if the issue persists.

5. Inspect and Test Wiring

Tools Required: Multimeter
Inspect the wiring related to the remote start system for any visible damage or loose connections.
Use a multimeter to test for continuity in the wiring harness.
Repair or replace any damaged wiring as necessary.