Subaru Key Fob Not Working: Troubleshooting and Solutions

Modern vehicles, including Subaru models, often come equipped with key fobs that provide convenient access and control. However, encountering issues with your Subaru key fob not working can be frustrating.

In this article, we’ll explore common reasons why your Subaru key fob might not be functioning as expected and provide practical solutions to get it working again.

Common Issues and Solutions for Subaru Key Fob Not Working

1. Dead Battery

Issue: The most common reason for a non-responsive key fob is a dead battery.

Solution: Replace the battery with a fresh one. Refer to your owner’s manual for instructions on how to properly replace the key fob battery. Make sure to use the correct battery type.

2. Signal Interference

Issue: Signal interference from other electronic devices or strong radio signals can disrupt the communication between the key fob and the vehicle.

Solution: Move away from potential sources of interference, such as electronic devices or large metal structures, and try using the key fob again.

3. Key Fob Syncing Issues

Issue: Sometimes, the key fob and the vehicle may lose synchronization, causing the key fob to stop working.

Solution: Refer to your vehicle’s owner’s manual for instructions on how to reprogram or resynchronize the key fob with the vehicle. This usually involves a series of button presses and ignition cycles.

4. Faulty Key Fob Buttons

Issue: Over time, the buttons on the key fob can become worn out or damaged, leading to unresponsiveness.

Solution: If the buttons are physically damaged, consider replacing the key fob. If the buttons are worn, you might be able to use a specialized repair kit to restore their functionality.

5. Vehicle Battery Issues

Issue: A weak or discharged vehicle battery can affect the key fob’s performance.

Solution: Check the vehicle’s battery health. If the vehicle’s battery is weak, it might not provide enough power for the key fob to function properly. Recharge or replace the vehicle’s battery as needed.

6. Internal Key Fob Malfunction

Issue: In some cases, there might be an internal malfunction within the key fob itself.

Solution: If none of the above solutions work, consider visiting a Subaru dealership or an authorized service center to diagnose and address any internal issues with the key fob.

Preventive Measures

To avoid future key fob issues, consider these preventive measures:

  • Regular Maintenance: Keep your key fob clean and free from debris. Check its battery periodically and replace it before it becomes completely depleted.
  • Backup Key: Always keep a spare key fob in case of emergencies. This can be helpful if you experience sudden key fob failure.


Encountering a non-functional Subaru key fob can be a hassle, but most issues can be resolved with simple solutions.

By following the troubleshooting steps outlined in this article and adopting preventive measures, you can ensure that your Subaru key fob remains reliable and functional, providing you with seamless access to your vehicle.

FAQs (Frequently Asked Questions)

1. Can I replace the key fob battery myself?

Yes, you can replace the key fob battery yourself. Refer to your owner’s manual for guidance.

2. Why did my key fob stop working suddenly?

Key fob issues can arise due to battery depletion, signal interference, syncing problems, or internal malfunction

3. Do I need to visit a Subaru dealership for key fob issues?

While some issues can be resolved on your own, visiting a dealership or authorized service center is recommended for more complex problems.

4. How often should I check the key fob battery?

Check the key fob battery during routine maintenance and replace it as needed, typically every 1-2 years.

5. Can a damaged key fob be repaired?

If the buttons are damaged, a repair kit might help. However, for internal malfunctions, professional repair or replacement is often required.

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