Smart Key Malfunction Toyota Camry: Damage Signs & Fix

As you all know, Toyota has applied smart car keys to their cars since 2004. This key will help them perform manipulations with vehicles much faster and more efficiently. Like other control features, this key can also fail at any time.

You will need to reset it as soon as you find out what caused the lock not to work. Well, the reason why the smart key malfunction Toyota Camry? The following article will help you answer that question.

Smart Key Malfunction Toyota Camry

The smart key Toyota Camry function 

Toyota smart key malfunction Toyota Camry 2018 has become much more perfect than previous versions. It gives users flexibility and convenience.

You can use this smart key set when you have to intelligent the market alone and can’t open the door manually. You can unlock your car without even touching it with just a push of a button.

In addition, when the key is on your person or the distance is not too far, you can ultimately unlock and start the car thanks to the intelligent key set.

When someone tries to open the car door with no intelligent key nearby, the car alarm will sound, and a flashing light will appear. An excellent security system will help you get rid of car thefts better.

On the other hand, any smart device will have problems during operation. With the intelligent Camry Toyota key too, you will also have a Toyota car key not working problem. So, what are the signs that your key is broken?

Recommend Reading: 2018 Toyota Camry Apple Carplay Download: All You Need To Know

Smart key failure sign

The most unmistakable sign that the key is faulty is that you cannot start the car with this device. In addition, you will receive Toyota smart key malfunction message. A flashing signal will appear, indicating your current lock is not working correctly.

When you experience either of the above two signs, you should check your smart lock and find out what caused it to malfunction. The following section will explain why the smart key malfunctioned Toyota Camry.

What causes this key to fail?

There are 4 main reasons why your key won’t work:

  • The car battery is no longer working
  • A smart key is out of battery
  • The car computer uses an old version, and it needs to be updated
  • You may need a patch for your computer system

If you notice anything going on with your car, you can choose one of two solutions: take your vehicle to a Toyota repair center or fix it yourself at home. If you want to save money on crucial repair costs, you can try the following ways:

  • Check and charge the battery
  • Smart key battery charger
  • Perform a key system reset

If you’ve applied these solutions and the key still won’t work, you’ll need to seek the help of your local auto dealer.

How to fix smart key malfunction Toyota Camry

How to fix smart key malfunction Toyota Camry?

Replace batteries

One of the common causes of your smart key not working is a dead battery. The average usage time is only a few years, depending on how often you use it.

You can easily change the battery at home without going to an auto repair center. Most auto stores will supply the type of battery you use. It is very cheap, and you can buy it easily.

Check the battery

Like keys, car batteries will also run out of power after a few years of use. At this point, you’ll need to check your car’s battery and make sure it’s still in good working order. If not, you will need to use an external charger to power it or replace the battery pack.

Software updates

With all cars from the Toyota brand, you will be unable to update the software for it. To be able to install software, you will need to use a computer and install the software this way.

However, in reality, only a few cases of Toyota smart keys have software problems. Therefore, if you encounter this situation, you can seek the help of car maintenance centers.

System Reset

System reset will vary between Toyota cars. However, usually, this installation process will go through 4 steps:

  • Step 1: Open the dashboard of the car
  • Step 2: Select the category “customize media”
  • Step 3: Select the category “driver lock system”
  • Step 4: Select “Unlock the door”

If you have followed the 4 steps and cannot reset the system for the intelligent key, you will need professional mechanics. They will do this for you quickly.

Toyota Camry smart key replacement

Can you drive with a smart key malfunction Toyota Camry?

Some people worry that they won’t be able to start their car if the smart key doesn’t work.

You should not worry about this case because, without the key, you can still start your Camry. You will only need a Toyota Camry smart key replacement emergency once the vehicle is taken to the repair center. To get started you can get started by following these steps:

  • Step 1: Use the spare key and unlock the car
  • Step 2: Hold this intelligent device before the start-stop system until the green light comes on. The signal light will notify you that the car is about to start.
  • Step 3: Please wait for about 20 seconds until the car works

If you do and still can’t start the car, your best bet is to contact your Camry insurance company. Repairs can cost hundreds of dollars.

Instructions for resetting the Toyota Camry key

Here is a detailed step-by-step guide to resetting your Toyota Camry smart key system:

Step 1: Press the button and hold the smart key. Also, you’ll need to hold down another key during the hold:

  • Unlock
  • Panic Button
  • Back Door Release

Step 2: Repeat the procedure done in step 1 (hold the lock button). This process will return your smart key to its factory settings. However, if the system still doesn’t work, you can try another way using the dash screen of your car.


Hopefully, the article will help you better understand the smart key malfunction Toyota Camry. 

Clearly, you can fix this problem yourself at home if it runs out of battery.

However, if you have other problems and cannot find the real cause, you should seek the help of auto repair dealers. The cost for each repair can range from hundreds of dollars.

Leave a Comment