How To repair car key fob to Repair Car Key Fobs

Even though we put them through a lot keys repair aren't impervious to destruction. They can be destroyed in a variety of ways.

While the most common problem is a dead battery, other issues can be more serious. Most of problems can be fixed by a quick fix at home.

Dead Battery

A dead battery is probably the most common reason why the car key fob stops working. Fob batteries can deplete quickly, particularly if they are exposed to hot or cold temperatures, humidity or even water. Keep an extra battery in your wallet in case you require it.

It is easy to tell the moment the battery of your car key fob is running low because the light on the LED will cease to glow. The fob may be unable to function from the same distance it was previously working to. In this instance, How to repair Car key fob the key fob may require reprogramming or replaced entirely.

Fortunately replacing the battery in a car key fob is a simple task. First, you need to determine the kind of battery is being used. The type should be engraved on the back of the fob. If you're unsure, doing a quick Google search can help. Once you've found the kind of battery you want you want to use, open the key fob near the seam. Use a flathead screwdriver, or even your fingernail, to break the two halves. Remove the old battery, and replace it with a new one. Make sure to insert the new battery with the positive (+) side facing towards the buttons in the fob.

Some drivers might not be aware that the fob is dead until they try to lock or unlock their car and the buttons do not respond. In some instances this issue can be resolved by reprogramming the fob however, it can be costly and time-consuming. You can also contact roadside assistance to determine if they are able to restart your car and get it back on the road.

If you have tried both of these solutions and your car is still unable to start and you're not sure why, it's time for a professional. A trained technician can determine if the vehicle's computer system requires reprogramming or if the fob requires a new battery. They can also recommend an auto repair shop that can replace the fob that you use to access your car. In the end it is not always the case that a new fob is the most effective solution.

Circuit Board Damage

Key fobs aren't indestructible, but it is able to withstand a lot of physical damage. Battery, circuit board and buttons are all subject to wear and tear. It is crucial to take care of these components to ensure that your key fob is in good condition.

The most straightforward thing to do is to ensure that the battery inside the key fob isn't dying. Replace the battery to see if it solves your problem. If this does not work, you may have to open the fob and clean its contact surfaces. It is sometimes difficult to open some key fobs since they don't have an easy release mechanism. You could damage your fob by trying force it apart. You can purchase a special tool to open your key fob, but you must always adhere to the manufacturer's guidelines to avoid damaging it.

Another issue that is common is a damaged or faulty circuit board inside the key fob. It can be caused by various factors like dirt or moisture getting into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob has stopped functioning, you might be interested in having it replaced. This can be accomplished by a locksmith that specializes in this kind of work.

Radio interference is also a possibility. This can happen if there are other wireless devices transmitting at the same frequency as your key fob, like a radar detectors and home security systems. If this is the case, consult with other manufacturers of your device to ensure that your key fob isn't affected by their signals.

There may be a need to replace a switch or other electrical component of your key fob. This is a more difficult fix however, there are online guides that will show you how to fix it yourself. It is important to be cautious when doing this it is important to be careful, since the circuit boards inside your key fob are tiny and easily break in the event of rough handling. If you're doing this yourself, make sure to use a good quality SMT switch and solder it to the correct place.

Worn Out Buttons

Car key fobs are prone to a lot of wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your purse or pocket. Sometimes, this can cause the buttons to wear out or stuck. In this case, a simple adjustment may be all that's needed to make it work again.

Most modern key fobs have sensors on them that detect when they've been used. They're designed to do this so that they can lower the risk of theft by someone else of your vehicle. If the buttons on your key fob don't work when pressed, they are worn out and should be replaced.

Key fobs also have an electronic circuit inside that transmits signals to the car. The signals include unlock and lock commands and instructions to start your engine. If the circuit board inside is damaged, then your key fob may not unlock or start your engine. This kind of damage is typically caused by blunt force or water.

You'll be able to tell that the buttons on your key fob are wearing out when you press the buttons more than normal to get them to work. Your fob might not be sending an alert to your car or have a smaller range.

Contact a locksmith right away if you are not able to use your key fob to start your vehicle. They'll be able to determine whether the key fob is damaged or the ignition cylinder is worn out.

Fortunately, the majority of car keyfob issues aren't very complicated or even serious. The best way to avoid being caught off guard by an unresponsive key fob is to have an extra key in your possession at all times. This will ensure that you're not stuck in a bind due to the loss or malfunction of your key. If you do happen to lose your spare car key, a locksmith can help change the key to work with the ignition of your car. They can also repair any internal damage to your key fob.

Broken Case

The case for your key fob 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 key fob to your car.

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

Batteries may be the cause of your key fob not working. This is a simple fix that can be accomplished at home by replacing the battery. The good news is that you can locate an alternative battery on the internet or at your local auto parts store, since these batteries aren't exclusive to key fobs.

Depending on the kind of key fob you have, there are various ways to open it and gain access to the inside. You can determine the type of battery your key fob has by conducting a quick internet search. From there, you can purchase a replacement and easily pop the old one out, and then the new one in.

The main concern when you repair an old car key fob is that you don't want to harm the circuit board or buttons any further. If you attempt to remove the key fob using a sharp edge, such as a screwdriver can damage the case or even crack the plastic. A replacement case isn't much and you can purchase an entire fob, including the electronic components on eBay or Amazon for under $40.

If your key fob won't function, make sure you have damaged the circuit board or batteries. If that's not the case, a professional will repair it for you quickly and cheaply. If not, it could be the time to purchase an upgrade. Make sure you check for a warranty on any replacement or used fobs that you purchase on the internet.