how to fix the remote start not working on my Ford Explorer

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

473 words

Problem Statement

Learn how to diagnose and fix the remote start issue on your Ford Explorer. 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 to prevent shocks or shorts

Symptoms

•Remote start button does not activate the engine
•Engine does not crank or start when remote start is attempted
•Dashboard lights may flicker momentarily upon pressing the remote start
•Possible warning lights illuminated on the dashboard
•Remote key fob batteries may be low or dead

Diagnostic Steps

1
Check the battery level of the remote key fob
2
Verify that the vehicle is in park and all doors are closed
3
Scan for error codes using an OBD-II scanner to check for any related fault codes
4
Inspect the remote start system's wiring for any visible damage or disconnections
5
Ensure that the vehicle's security system is not preventing the remote start from functioning
6
Test the remote start feature with a second 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
•Small flathead screwdriver or key fob opening tool
•Electrical tape
•Multimeter

Parts Required

•CR2032 battery (for key fob)
•Replacement wiring (if damaged)

Related Faults

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Diagnostic Steps

1
Check the battery level of the remote key fob
2
Verify that the vehicle is in park and all doors are closed
3
Scan for error codes using an OBD-II scanner to check for any related fault codes
4
Inspect the remote start system's wiring for any visible damage or disconnections
5
Ensure that the vehicle's security system is not preventing the remote start from functioning
6
Test the remote start feature with a second key fob if available

Solution

1. Preparation

Gather necessary tools and replacement parts.
Ensure the vehicle is parked safely and the ignition is turned off.
Disconnect the vehicle battery to avoid electrical shorts during repair.

2. Replace Key Fob Battery

Sub-steps:
1. Open the key fob using a small flathead screwdriver or a key fob opening tool.
2. Remove the old battery and insert a new CR2032 battery, ensuring correct polarity.
3. Reassemble the key fob and test the remote start function.

3. Inspect and Repair Remote Start Wiring

Sub-steps:
1. Remove any covers or panels to access the remote start module.
2. Visually inspect the wiring for frays, corrosion, or loose connections.
3. Repair any damaged wiring with electrical tape or replace with new wiring as needed.
4. Reconnect any loose connectors securely.

4. Reset the Vehicle's Security System

Sub-steps:
1. Reconnect the vehicle battery.
2. Turn the ignition key to the "On" position without starting the engine.
3. Wait for approximately 10 minutes until the security light on the dashboard turns off.
4. Test the remote start function again.