How to Repair Car Key Fobs

Key fobs can be damaged even if we use them a lot. They can be destroyed in a variety of ways.

While the most common problem is an unresponsive battery, other issues can be much more grave. Fortunately, the majority of them can be resolved by a simple DIY fix at home.

Dead Battery

A dead battery is the main reason for a key fob not working. Fob batteries are known to drain quickly, especially when they are exposed to hot or humid temperatures, or water. Keep an extra battery in your wallet in case you require it.

The LED light will typically stop glowing when the battery in the car key fob is low. The key fob could also stop working at the same distance it used to. In this instance, it may be necessary to re-program your key fob or even replace it entirely.

It is easy to replace the battery in a car keyfob. Find out the type of battery that is used. The type of battery should be stamped on the back of your key fob. If you're unsure, an easy Google search will be helpful. Once you've identified the type of battery, open the key fob at the seam. You'll need small flathead screwdrivers or even your fingernail to break the two halves. Then, take out the old battery and put the new one in its place. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.

Some drivers aren't aware that their fob has gone out of service until they lock or unlock their car and the buttons stop working. In some instances this issue can be resolved by reprogramming your fob, however, it can be costly and time-consuming. Another option is to call roadside assistance and ask them to jump your vehicle and get you back on the road.

If you've tried both of these solutions and your car is still unable to start then it's time for a professional. A trained technician can tell the computer in your car keys repair near me needs reprogramming, or if the fob only requires a new battery. They can also recommend a reputable auto shop to replace your fob's keys. In the end sometimes, a brand new fob is the most effective solution.

Damaged Circuit Board

Key fobs can withstand many physical abuses and isn't indestructible. The battery, the circuit board buttons, and other components all suffer their fair amount of wear and tear over time, so it's important to be vigilant and take care of them to keep your car key fob operating efficiently.

The easiest thing to check is that the battery in your key fob isn't dead. Replace the battery to determine if it resolves your issue. If this doesn't work, you may have to open the fob and clean its contact surfaces. This can be difficult since some key fobs do not have easy-release mechanisms that allow you to open them and you could end up damaging your key fob if try to pull it apart. You can purchase a specific tool to open your key fob. But, you must always follow the instructions of the manufacturer to avoid damaging it.

A damaged or defective key circuit board for the fob is another frequent issue. This can be caused by many things, such as dirt or moisture that gets into the battery compartment software, hardware issues, or even an accidental firmware update. If your key fob isn't working completely, consider having it reprogrammed by a locksmith that specializes in this kind of work.

Radio interference is another possible cause. It could happen if are other wireless devices operating on the same frequency your key fob, for instance a radar detectors and home security systems. If this is the case, you should inquire with the other manufacturers of the device to ensure that your key fob isn't being affected by their signals.

It's also possible that your key fob is equipped with an unreliable switch or electrical component that should be replaced. You can find online guides that show you how to fix this yourself. Be cautious when doing this, though because the circuit boards inside your key fob are tiny and easily break in the event of rough handling. If you're doing it yourself, make sure to use an SMT switch that is of high-quality and put the switch in the correct position.

Worn Out Buttons

Car key fobs are prone to a lot of wear and car key and repair wear and tear. They are prone to getting dropped and spend a lot of time being tossed around in your pocket or purse. Sometimes, this jostling can cause buttons to wear out or stuck. When this happens, a simple adjustment may be all it takes to make it work again.

Modern key fobs come with sensors that are able to detect when they've been pressed. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob aren't responding when you press them, that's an indication that they're worn out and need to be replaced.

Key fobs also have a circuit board inside them that transmits signals to the car. These signals include commands to unlock and lock your car, and commands to start your engine. If the circuit board within your vehicle is damaged, your key fob might not unlock or start your engine. Most of the time, this kind of damage is caused by water, blunt force, or something scratching the circuit board.

You'll notice that the buttons on your key fob are wearing out If you're finding yourself pressing the buttons more than usual to get them to work. Your fob could not be sending a signal to your car or have a lower range.

Contact a locksmith immediately in the event that you are not able to use the key fob for your car key fob repair service. They can determine if your key fob is damaged, or if the cylinder of your ignition is worn out.

Fortunately, the majority of car Key and repair keyfob problems aren't too difficult or serious. Keep an extra key fob in your vehicle always in case you end up being shocked by a malfunctioning key. This will ensure that you're not trapped in a place due to an unreliable or lost key. If you do lose your spare car key, a locksmith can help reset it to ensure it is compatible with the ignition in your car. They'll also be able fix any internal damage that has occurred on the key fob.

Broken Case

A key fob's case does more than just protect the battery and buttons. The case also houses the circuitry that does all the electrical magic every time you press the button on your key fob. This board transmits the signal from your keyfob to your car.

Your key fob won't function if the board is damaged. A dead key fob may only need to be reprogrammed by your local auto locksmith or dealer.

Another reason your key fob might not be functioning is that the batteries are not working. This is a quick solution that can be done at home by replacing the battery. You can find the replacement battery from your local auto parts shop or on the internet. These batteries are not only intended for key fobs.

Depending on the type of key fob you have, there are various ways to open it up and access the insides. You can find out what type of battery your key fob uses by conducting a quick internet search. You can then purchase an alternative and take the old one out, and put the new one in.

The most important thing to consider when fixing an old car key fob is that you don't want to harm the circuit board or buttons further. If you attempt to pry apart the key fob using the screwdriver or another sharp edge, it could crack the plastic or damage the case. Luckily, a replacement case isn't expensive and you can buy a whole fob assembly with the electronics on eBay or car key and repair Amazon for less than $40.

If your key fob isn't working look into whether the batteries are dead or if the circuit board has been damaged. If that's not the situation, a professional could fix it quickly and cost-effectively. If not, it may be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs you buy on the internet.