Repair Car Key Tools To Help You Manage Your Day-To-Day Life How to Repair Car Key Fobs

Even though we put them through numerous times, key fobs are not indestructible. They can be destroyed in a variety of ways.

The most frequent issue is an unresponsive battery but other issues can be more serious. Many of these issues can be resolved with a simple fix at home.

Dead Battery

A dead battery is the most common reason for a key fob not working. Fob batteries can deplete quickly, particularly if they are exposed to hot or cold temperatures, humidity or water. Keep an extra battery in your wallet in case you require it.

The LED light will typically stop blinking when the battery in the car key fob is running low. It's also possible that the fob will no longer work from the same distance as it used to. In this case it might be necessary to reprogram the key fob or even replace it entirely.

Fortunately replacing a car key fob battery is easy. Find out the type of battery that is used. The type of battery you are using should be stamped on the back of your key fob. If you're not sure it is, doing a quick Google search will help. The key fob can be opened along the seam once you have identified the battery type. You'll need a small flathead screwdriver or your fingernail to pry the two halves apart. Remove the old battery, and replace it with a new one. Insert the new battery so that the positive (+) face is facing the buttons on the fob.

Some drivers may not be aware the fob is dead until they try to lock or unlock their car and the buttons don't respond. In some instances this problem can be resolved by reprogramming the fob, but that can be costly and time-consuming. Another option is to call roadside assistance and see if they can jump your car and get you back on the road.

If you have tried all three of these methods but your car won't start then it's time to contact a professional. A trained technician can tell if your car's computer needs reprogramming, or if the fob is only in need of replacement batteries. They can also suggest an auto shop to replace your key fob. In the end, though sometimes, a brand new fob is the best solution.

Circuit Board Damage

Key fobs can withstand some physical abuse and is not indestructible. Battery, circuit board and buttons are all susceptible to wear and tear. It is important to take care of these components to ensure that your key fob is in good condition.

The easiest way to test is to ensure that the battery inside your key fob isn't depleted. If it is then replace the battery and check if it fixes your problem. If not, you'll have to remove the key fob and clean the contact surfaces. remote key fob repair can be a challenge since some key fobs don't have easy-release mechanisms to unlock them and you may harm your device if you try to pull it apart. You can purchase a special tool to open your key fob, however it is recommended to follow the instructions of the manufacturer to avoid damaging it.

A damaged or defective key fob circuit board is another common problem. This can be caused by many things, including dirt or moisture getting into the battery compartment. Issues with software or an accident firmware update could also cause this. If your key fob has stopped functioning completely, you should consider having it reprogrammed by locksmiths who specialize in this kind of work.

Radio interference is another possibility. This can happen if there are other wireless devices transmitting at the same frequency as your key fob, such radar detectors, home security systems. If this is the case, you should get in touch with the manufacturer of the other device to ensure that your key fob will not be affected by their signals.

You may also need to replace a switch or other electrical component of your key fob. This is a harder fix however, you can find online guides that will show you how to fix it yourself. It is important to be cautious when doing this, though because the circuit boards inside your key fob are tiny and are susceptible to breaking if they are handled roughly. If you're doing it yourself, ensure you use an SMT switch that is of high-quality and solder the switch in the correct position.

In a state of wear Out Buttons

Car key fobs are prone to a lot of wear and wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your pocket or purse. Sometimes, this can cause the buttons to become worn out or stuck. A simple adjustment can fix the issue.

Modern key fobs come with sensors that detect when they have been pressed. They're designed to do this to reduce the likelihood of thieves stealing your car. If your key fob's buttons aren't responding when you press them it's a sign that they're worn out and need to be replaced.

The circuit board inside the key fob transmits signals to your car. These signals include commands to unlock and lock your car, and commands to start the engine. If the circuit board within your vehicle is damaged, your key fob might not unlock or start your engine. This type of damage is typically caused by blunt force or water.

If you're forced to press the buttons more than usual to get them to function If this is the case, then your key fob's buttons are getting worn out. Additionally the fob might stop sending a signal to the car or have a lower range than it did before.


If you're not able to unlock your key fob, unlock or start your vehicle, it's crucial to find an emergency locksmith in your area. They can determine if your key fob is damaged or the cylinder of your ignition is worn out.

Fortunately, most car keyfob issues aren't very complicated or even serious. The best way to avoid getting caught off guard by an issue with your key fob is to have an extra in your pocket at all times. This will ensure that you're never stuck in a bind due to the loss or malfunction of your key. If you do happen to lose your car key spare, a locksmith can help reset it so that it works with the ignition of your car. They'll also be able repair any internal damage that's occurred on the key fob.

Broken Case

The case of the key fob is more than protect the batteries and buttons. It also houses the circuit board responsible for all the electrical magic when you hit a button on your key fob. The circuit board relays the signal from your keyfob to your car.

Your key fob won't work if this board is damaged. Sometimes, a key fob that is dead will just need to be reprogrammed, which is something your local auto locksmith or dealership can assist you with.

Batteries may be the cause your key fob's battery not working. This is a simple fix that you can do at home by replacing the battery. You can purchase an alternative battery at your local auto parts shop or online. These batteries aren't just for key fobs.

Depending on the type of key fob, there are various ways to open it up and gain access to the inside. You can determine the type of battery your key fob uses by conducting a quick internet search. You can then buy a new one, take the old one out, and then put the new one into.

When repairing a broken key fob, the most important concern is not to destroy the circuit or buttons further. If you attempt to pull apart the key fob using a screwdriver or other hard edge, it could break the plastic or damage the case. Fortunately, a replacement case is inexpensive and you can buy a whole fob assembly with the electronics from eBay or Amazon for less than $40.

So, if your key fob isn't functioning, check to see if the batteries are depleted or if the circuit board is damaged. If this is not the case, you can have it repaired quickly and cheaply by an expert. Otherwise, it might be time to consider a replacement. Just be sure to check for a warranty on any replacement or used fobs you purchase on the internet.