how to fix the remote start issue on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

574 words

Problem Statement

Learn how to diagnose and fix remote start issues in Ford Explorer Fifth Generation (2011-2019). 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 vehicle's battery before working on electrical components
•Ensure the vehicle is in 'Park' and the engine is off before using remote start functions

Symptoms

•Remote start button does not initiate the engine
•Flashing lights without engine start
•Horn does not honk when attempting to start remotely
•Check engine light illuminated on the dashboard
•No response from the remote when pressing the start button

Diagnostic Steps

1
Check the remote battery by replacing it if it is weak or dead
2
Scan for error codes using OBD-II scanner
3
Inspect the key fob by testing other buttons to ensure it is not damaged
4
Examine the vehicle's battery voltage; a low battery can affect the remote start feature
5
Verify the hood switch is functioning properly
6
Check for any aftermarket modifications that might interfere with the factory remote start function

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
•Flat-head screwdriver
•10mm socket

Parts Required

•Key fob battery (CR2032)
•Hood switch (if faulty)

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Diagnostic Steps

1
Check the remote battery by replacing it if it is weak or dead
2
Scan for error codes using OBD-II scanner
3
Inspect the key fob by testing other buttons to ensure it is not damaged
4
Examine the vehicle's battery voltage; a low battery can affect the remote start feature
5
Verify the hood switch is functioning properly
6
Check for any aftermarket modifications that might interfere with the factory remote start function

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, multimeter, flat-head screwdriver, and replacement battery for the key fob.
Ensure the vehicle is parked in a safe area, and the engine is off.

2. Replace Key Fob Battery

Sub-steps:
1. Use a flat-head screwdriver to carefully pry open the key fob.
2. Remove the old battery and replace it with a new one (CR2032).
3. Reassemble the key fob and test the remote start function.

3. Reset the Vehicle’s Battery

Sub-steps:
1. Disconnect the negative terminal of the vehicle's battery (10mm socket).
2. Wait for approximately 10 minutes to allow the system to reset.
3. Reconnect the negative terminal, ensuring it is tight.
4. Test the remote start feature again.

4. Inspect and Replace Hood Switch (if necessary)

Sub-steps:
1. Locate the hood switch near the latch assembly.
2. Disconnect the wiring harness from the switch.
3. Test the switch using a multimeter for continuity.
4. If faulty, replace the switch with a new one.
5. Reconnect the wiring harness and test the remote start function.

5. Clear Diagnostic Trouble Codes

Sub-steps:
1. Connect the OBD-II scanner to the vehicle's diagnostic port.
2. Follow the scanner prompts to retrieve and clear any stored DTCs.
3. Disconnect the scanner and test the remote start feature again.