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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

556 words

Problem Statement

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

•Ensure the vehicle is in a well-ventilated area when testing the remote start.

Symptoms

•Remote start button is unresponsive
•Vehicle does not start when remote start is attempted
•Check engine light illuminated
•Doors do not lock/unlock remotely
•Battery in the key fob is good but not communicating
•Security system light flashing

Diagnostic Steps

1
Check the battery status of the key fob using a multimeter.
2
Scan the vehicle's onboard diagnostics (OBD-II) system for any error codes related to the remote start system.
3
Inspect the vehicle's fuse box for any blown fuses related to the remote start feature.
4
Verify that the vehicle is in the correct conditions for remote start (e.g., hood closed, doors locked).
5
Test the key fob for proper operation by attempting to start the engine manually.
6
Check for any aftermarket alarm or remote start systems that may interfere with the factory 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

•Multimeter
•Small flathead screwdriver
•Fuse puller or needle-nose pliers

Parts Required

•CR2032 battery
•Replacement fuses (if necessary)

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Diagnostic Steps

1
Check the battery status of the key fob using a multimeter.
2
Scan the vehicle's onboard diagnostics (OBD-II) system for any error codes related to the remote start system.
3
Inspect the vehicle's fuse box for any blown fuses related to the remote start feature.
4
Verify that the vehicle is in the correct conditions for remote start (e.g., hood closed, doors locked).
5
Test the key fob for proper operation by attempting to start the engine manually.
6
Check for any aftermarket alarm or remote start systems that may interfere with the factory system.

Solution

1. Key Fob Battery Replacement

Tools Required: Small flathead screwdriver, new CR2032 battery
Instructions:
- Use the flathead screwdriver to gently pry open the key fob casing.
- Remove the old battery and insert the new CR2032 battery, ensuring the positive side is facing up.
- Snap the key fob casing back together.

2. Fuse Inspection and Replacement

Tools Required: Fuse puller or needle-nose pliers
Instructions:
- Locate the fuse box under the dashboard or hood as specified in the owner's manual.
- Identify the fuse related to the remote start system (refer to the fuse diagram).
- Remove the fuse and inspect it for continuity; replace it if blown with an identical amperage fuse.

3. Resetting the Remote Start System

Tools Required: None
Instructions:
- Sit in the vehicle and close all doors.
- Insert the key into the ignition and turn it to the "On" position without starting the engine.
- Press the brake pedal three times, then press the "Start" button once. This may reset the remote start system.

4. Reprogramming the Key Fob

Tools Required: None
Instructions:
- With doors closed, insert the key into the ignition and turn it to the "On" position for 5 seconds and then back to "Off."
- Repeat this process 8 times until the locks cycle, indicating programming mode.
- Press any button on the key fob to program it, then turn the ignition to "Off" to exit programming mode.