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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

4 min read

658 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

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Remote start button does not respond when pressed
•Engine does not start or crank
•Check engine light illuminated on the dashboard
•Security light flashing on the dashboard
•Remote key fob battery is low or dead
•Unresponsive vehicle electronics when attempting to start remotely

Diagnostic Steps

1
Verify that the remote key fob battery is functional by testing it with another vehicle or replacing it.
2
Check the vehicle's owner manual for the correct sequence to activate the remote start feature.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) that may indicate an issue with the remote start system.
4
Inspect the vehicle's fuse box for any blown fuses related to the ignition or remote start system.
5
Examine the wiring and connections for the remote start module, ensuring no damage or loose connections.
6
Test the vehicle's security system to ensure it is not preventing the remote start from functioning.

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
•Basic hand tools (screwdrivers, socket set)

Parts Required

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

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Diagnostic Steps

1
Verify that the remote key fob battery is functional by testing it with another vehicle or replacing it.
2
Check the vehicle's owner manual for the correct sequence to activate the remote start feature.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) that may indicate an issue with the remote start system.
4
Inspect the vehicle's fuse box for any blown fuses related to the ignition or remote start system.
5
Examine the wiring and connections for the remote start module, ensuring no damage or loose connections.
6
Test the vehicle's security system to ensure it is not preventing the remote start from functioning.

Solution

1. Preparation

Gather the necessary tools and parts. Ensure the vehicle is parked in a safe area.
Tools Required: OBD-II scanner, multimeter, basic hand tools (screwdrivers, socket set), and a new key fob battery if needed.

2. Replace Key Fob Battery

Open the key fob using a small flathead screwdriver.
Remove the old battery and replace it with a new CR2032 battery, ensuring the positive side is facing up.
Reassemble the key fob and test the remote start function.

3. Inspect and Replace Fuses

Open the fuse box and locate the fuse related to the remote start system (refer to the owner's manual for the correct fuse).
Use a multimeter to check if the fuse is blown. If it is, replace it with a new fuse of the same amperage.
Close the fuse box and test the remote start function again.

4. Check for Diagnostic Trouble Codes (DTCs)

Connect the OBD-II scanner to the vehicle's diagnostic port.
Turn the ignition to the "On" position without starting the engine.
Scan for any trouble codes that may indicate an issue with the remote start system.
If codes are found, research and address the specific issues indicated by the codes.

5. Inspect Wires and Connections

Locate the remote start module (usually near the ignition harness).
Visually inspect the wiring for any signs of damage or disconnection.
Use a multimeter to test for continuity in the wires. Repair or replace any damaged wiring as necessary.

6. Test the Security System

Attempt to start the vehicle normally with the key. If it does not start, there may be an issue with the security system.
Refer to the owner's manual for troubleshooting steps related to the security system.
Reset the system if necessary by disconnecting the battery for a few minutes, then reconnecting it.