5-Reasons Why Subaru Key Fob Not Working After Battery Change

If your Subaru key fob suddenly stops working, the simple reason behind that might be a damaged battery. However, the main problem arises when it doesn’t resume after the battery change.

Particularly, Subaru key fob not working after battery change is one of the major causes of concern when it comes to the Subaru car key.

Subaru key not working after battery change can be caused by several reasons including a dead battery, improper battery installation, damaged key fob, or a malfunctioning keyless entry system. These issues can be resolved by troubleshooting the key fob and seeking assistance from a Subaru dealership or authorized service center.

Hence, there might be several reasons for the failure of the Subaru key fob and you need to figure out what is creating the issues.

However, you need to detect the main reason and find its solution as soon as possible. Don’t get confused and read further to know all the possible causes of your key fob failure.

Subaru Key Fob Not Working After Battery Change: 5-Reasons

Is your car unable to recognize your key fob signals? Have you replaced the battery of your key fob?

The following reasons might be the cause of your Subaru key fob not working even after a battery change:


Subaru Key Fob Not Working After Battery Change

1. Loose or Wear-Out Buttons

Most of the key fobs have rubber buttons. Over time, regular usage can be the reason for worn-out remote buttons.

Moreover, the incorrect assembling of the key fob might loosen them.

In this case, you can reassemble the key fob to clear the buttons and tighten them according to the need. If the problem persists you might need to change your car key fob.

2. Broken Battery Terminals

There’s a high possibility of battery terminal breakage at the time of battery change.

In this case, you need to open your key fob again to examine all the connections and fix them accordingly.

3. Broken Door Locks

Sometimes, the problem might not be the malfunction of the key fob; the problem might be in the door locks.

You can confirm this situation by using your key fob to unlock other doors of the car.

In this case, visit a trustworthy mechanic to fix your door lock as soon as possible. Ensure to get it repaired quickly to prevent any accidents or mishaps.

4. Deprogramming

Another reason for the key fob not working even after battery change might be the deprogramming of the key fob.

The accidental pressing of key fob buttons in a certain sequence might cause it to reset and enable unprogrammed mode.

In this case, you need to contact a professional key fob programmer or the dealer to get out of this issue.

5. Damaged Key Fob

When I say damaged key fob, it means the external damage caused to the key fob as a result of regular use.

Moreover, the reasons for the damaged key fob also include the visible breakage of the key fob, circuit board scratches, water invasion, etc.

In case of housing damage, you can opt for partial replacement of housing. If the problem persists, you need to replace your key fob.

5 Subaru Key Fob Tricks Must Be Useful

With each new edition, every vehicle comes with some or the other advancement of features. The same goes for their accessories.

Sometimes, many of these features go unnoticed as they have no regular use.

However, you should note that these features may vary depending on the model of your car. I have mentioned some secret tips and tricks for your Subaru key fob:


Subaru Key Fob Not Working After Battery Change

1. Hidden Manual Key

Are you stuck outside your car and your key fob’s battery is dead?

You can enter your vehicle by releasing the manual key hidden inside your key fob.

You can easily access the hidden manual key inside your key fob by pressing a tiny button on the back of the key fob.

2. Start the Car with Dead Battery Key Fob

The manual hidden key makes you enter the car with a dead battery. Now, the main issue is to start the car.

Buckle up! The key fob transmitter regularly communicates with your car when in contact.

Simply keep your key fob near the “Engine Start Stop” button to start your Subaru.

3. Start your Car Remotely

Isn’t it surprising that you can also start your car remotely? Yes, you can start your car remotely by pressing the start button twice.

However, there’s an exception to this. You must be quick enough to do it within three seconds.

4. Turn-Off Lights with Key Fob

You might be surprised to know that you can also use your key fob to turn off the lights of your car.

Press the lock button of your key fob twice to turn off the lights of your Subaru. Use your key fob to save the battery drainage of your car.

5. Lock & Unlock the Gas Cap with Key Fob

Locking your car doors with a key fob also locks your gas cap and vice versa. Next time you visit the gas station, try locking & unlocking your gas cap with your key fob.

People Also Ask

Is there any necessity to reprogram Subaru key fob after the battery change?

No. You don’t need to reprogram your key fob after a battery change.

However, there are times when it gets reset while changing the battery and unknowingly pressing the buttons of the fob.

In this case, you should get your Subaru key fob reprogrammed.

Can I replace my Subaru key fob?

Yes, you can replace your Subaru key fob at a cost ranging between $200 and $400, depending on the model of your car.

Can a dead key fob communicate with my car?

Yes, the transmitter in the key fob continues to communicate with the car irrespective of the battery life.

What is the frequency of key fob battery change?

The average life of a key fob battery is three to four years. However, there might be instances when you might need to change it earlier.

Is it possible to start my car with a dead key fob?

Yes, you can easily start your car with a dead key fob, as it regularly communicates with the vehicle even with a dead battery.

The keyless ignition works automatically when the battery of a key fob dies.

Final Words

A key fob is usually open to wear and tear due to frequent usage. Hence, disassembling and changing the battery might loosen internal connections and make them malfunction.

If your Subaru key fob not working after battery change, there might be some serious issues creating the problem and adding to the complexities of the situation.

If you don’t get the solution, always call a locksmith or a technician to help you solve your problem.

Moreover, if none of the above-mentioned problems and their solutions work to make your key fob work, then the only solution is to replace it.

Leave a Comment