how to troubleshoot Ford Explorer Fifth Generation (2011-2019) remote start not working

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

492 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

Learn how to troubleshoot and fix the remote start issue in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with diagnostic procedures.

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.

Symptoms

•Remote start button does not respond when pressed
•No lights or sounds indicating remote start activation
•Check engine light illuminated on the dashboard
•Vehicle does not start when key fob is used
•Security system indicator light remains on

Diagnostic Steps

1
Check the battery level of the remote key fob and replace if necessary.
2
Verify that the vehicle is in park and all doors are closed.
3
Inspect the vehicle’s fuse box for any blown fuses related to the remote start system.
4
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) that could indicate issues with the engine or security system.
5
Confirm that the remote start feature is enabled in the vehicle settings.
6
Test the remote start system with another key fob if available.

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
•Fuse puller
•Small flathead screwdriver

Parts Required

•CR2032 battery (for key fob)
•Replacement fuses (if necessary)

Related Faults

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Diagnostic Steps

1
Check the battery level of the remote key fob and replace if necessary.
2
Verify that the vehicle is in park and all doors are closed.
3
Inspect the vehicle’s fuse box for any blown fuses related to the remote start system.
4
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) that could indicate issues with the engine or security system.
5
Confirm that the remote start feature is enabled in the vehicle settings.
6
Test the remote start system with another key fob if available.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked safely and the engine is off.
Disconnect the battery to prevent electrical issues.

2. Check Key Fob Battery

Sub-steps:
- Open the key fob casing using a small flathead screwdriver.
- Remove the old battery and replace it with a new CR2032 battery.
- Reassemble the key fob and test the remote start function.

3. Inspect Fuses

Sub-steps:
- Locate the fuse box, typically found under the dashboard on the driver’s side or in the engine compartment.
- Use a fuse puller or pliers to check the fuses related to the remote start (refer to the owner’s manual for specific fuse locations).
- Replace any blown fuses with new ones of the same amperage.

4. Clear Diagnostic Trouble Codes (DTCs)

Sub-steps:
- Connect the OBD-II scanner to the vehicle's diagnostic port.
- Turn the ignition to the ON position without starting the engine.
- Scan for codes and note any relevant trouble codes.
- Clear the codes if they are related to the remote start system.

5. Verify Remote Start Settings

Sub-steps:
- Turn on the vehicle and access the settings menu using the dashboard interface.
- Navigate to the remote start settings and ensure the feature is enabled.
- If it was disabled, enable it and save the settings.

6. Test with Another Key Fob

Sub-steps:
- Obtain a second key fob if available.
- Attempt to use the remote start feature with the second key fob.
- If it works, the original key fob may require reprogramming or replacement.

Tools Required:

OBD-II scanner
Fuse puller
Small flathead screwdriver

Parts Required:

CR2032 battery (for key fob)
Replacement fuses (if necessary)

Estimated Repair Time: 1-2 hours

Safety Warnings:

Disconnect the battery before working on electrical systems to prevent shock or short circuits.