my Ford Explorer Fifth Generation (2011-2019) remote start isn’t working what could be the issue

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

506 words

Problem Statement

Learn how to diagnose and fix remote start issues in Ford Explorer (2011-2019). 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 systems.

Symptoms

•Remote start button does not respond when pressed
•Engine does not start remotely
•Key fob battery low warning indicator lit
•Security system warning light illuminated
•Vehicle starts normally with the key but not remotely

Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Scan the vehicle's OBD-II system for any error codes related to the remote start function.
3
Verify that all doors, hood, and trunk are closed properly, as the remote start may not engage if any are ajar.
4
Inspect the vehicle's security system for any active alarms or faults.
5
Test the remote start functionality using a different key fob if available.
6
Check for any blown fuses related to 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
•Small flathead screwdriver
•Fuse puller or needle-nose pliers

Parts Required

•Key fob battery (CR2032)
•Fuse (if applicable)

Related Faults

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Diagnostic Steps

1
Check the key fob battery and replace it if necessary.
2
Scan the vehicle's OBD-II system for any error codes related to the remote start function.
3
Verify that all doors, hood, and trunk are closed properly, as the remote start may not engage if any are ajar.
4
Inspect the vehicle's security system for any active alarms or faults.
5
Test the remote start functionality using a different key fob if available.
6
Check for any blown fuses related to the remote start 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 prevent electrical shorts.

2. Replace Key Fob Battery

Tools Required: Small flathead screwdriver, new battery (CR2032).
Use the flathead screwdriver to gently pry open the key fob.
Remove the old battery and replace it with the new one, ensuring correct polarity.
Snap the key fob back together securely.

3. Inspect and Reset Security System

Tools Required: OBD-II scanner.
Connect the OBD-II scanner to the vehicle’s diagnostic port.
Check for any security-related trouble codes and note them.
Clear any codes found, then attempt to start the vehicle remotely.

4. Inspect Fuses

Tools Required: Fuse puller or needle-nose pliers.
Open the fuse box and locate the fuse for the remote start system (refer to the owner’s manual for location).
Remove the fuse and inspect it for continuity; replace it if it is blown.
Reinstall the fuse and close the fuse box securely.

5. Test Remote Start Functionality

Reconnect the negative battery terminal.
Ensure all doors, hood, and trunk are closed.
Attempt to start the vehicle using the remote start feature on the key fob.