how to troubleshoot Ford Explorer Sixth Generation (2020-present) key fob not working

Ford Explorer Sixth Generation (2020-present)

Error Codes

30 minutes to 1 hour

Time

medium

Difficulty

medium

Severity

3 min read

492 words

Problem Statement

Learn how to troubleshoot and fix a non-working key fob for Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures.

Affected Component

Electrical

Estimated Time

30 minutes to 1 hour

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the vehicle battery before working on electronic components.
•Ensure the vehicle is in park and on a level surface while testing key fob functions.

Symptoms

•Key fob buttons are unresponsive
•Vehicle does not recognize key fob for starting
•Check key fob message displayed on the dashboard
•Range of key fob is significantly reduced
•Remote start feature is non-functional

Diagnostic Steps

1
Check the battery in the key fob for charge and proper installation.
2
Verify if the key fob is within the operational range of the vehicle.
3
Inspect the key fob for physical damage or water exposure.
4
Test the key fob by using a spare key, if available.
5
Scan the vehicle’s body control module (BCM) for fault codes using an OBD-II scanner.

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

•Small flat-head screwdriver
•OBD-II scanner

Parts Required

•CR2032 battery

Related Faults

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Diagnostic Steps

1
Check the battery in the key fob for charge and proper installation.
2
Verify if the key fob is within the operational range of the vehicle.
3
Inspect the key fob for physical damage or water exposure.
4
Test the key fob by using a spare key, if available.
5
Scan the vehicle’s body control module (BCM) for fault codes using an OBD-II scanner.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is in a safe, well-lit working environment.
Disconnect the vehicle battery to ensure safety during the process.

2. Replace Key Fob Battery

Open the key fob using a small flat-head screwdriver.
Carefully pry apart the casing without damaging the internals.
Remove the old battery and replace it with a new CR2032 battery, ensuring the positive side is facing up.
Snap the key fob casing back together until it is securely closed.

3. Reprogram Key Fob (if necessary)

Sit in the driver's seat and close all doors.
Insert the key into the ignition and turn to the "On" position (do not start the engine) three times within 10 seconds.
Turn the key to the "Off" position on the third turn, and the door locks should cycle, indicating the vehicle is in programming mode.
Press any button on the key fob within 30 seconds to program it. The locks should cycle again to confirm successful programming.
Turn the key to "Off" and remove it from the ignition.

4. Test Key Fob Functionality

With the vehicle still, press the lock and unlock buttons on the key fob to verify operation.
Check for the remote start function, if equipped.