How to Repair Car Key Fobs
Although we put them through many a times, key fobs are not impervious to destruction. They can be destroyed in a variety of ways.
The most frequent issue is the battery being dead, other issues can be much more serious. Fortunately, many of these can be fixed by making a quick DIY fix at home.
Dead Battery
A dead battery is probably the most common reason a car key fob stops functioning. Fob batteries drain quickly, especially if they're exposed to extreme 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 low. It is also possible that the fob won't work from the same distance it did in the past. In this case the key fob could need to be programmed again or replaced entirely.
Fortunately the replacement of a car key fob battery is simple. First, determine what kind of battery is being used. The type of battery you are using should be embossed in the back of your key fob. If you're unsure it is, a quick Google search can help. The key fob can be opened across the seam after you have identified the battery type. You'll need a small flathead screwdriver or even your fingernail pry the two halves apart. Then, take out the old battery and put an alternative one in its place. Be sure to insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.
Some drivers don't realize that their fob is dead until they lock or unlock their car and the buttons don't work anymore. In some cases this problem can be resolved by reprogramming the fob, however, it can be costly and time-consuming. Another option is to contact roadside assistance and see if they are able to jump your car and get you back on the road.
If you've tried every solution and your car still doesn't start, it's the right time to call an expert. A qualified technician will be able to determine if your vehicle's computer system requires reprogramming or if the fob needs a replacement battery. They can also recommend a reputable auto repair shop to replace your key fob. Sometimes, however, a new fob could be the best solution.
Circuit Board Damage
The key fob isn't impervious to destruction, but it can withstand a lot of physical harm. The battery, the circuit board, and buttons all get their fair amount of wear and tear over time It is therefore essential to be on guard and take care of them in order to keep your car key fob working efficiently.
The most straightforward thing to do is to make sure the battery in your key fob isn't dead. If it is, replace the battery and check if it fixes your problem. If this does not work, you may have to open the fob and clean its contact surfaces. This can be a challenge since some key fobs don't have easy-release mechanisms to open them up and you could damage your fob if you try to pull it apart. You can purchase a specific tool for opening your key fob. However, you should always follow the instructions of the manufacturer to avoid damaging the.
Another issue that is common is a damaged or corrupted circuit board in the key fob. This could be due to numerous factors, such as moisture or dirt getting into the battery compartment. Issues with software or an unintentional firmware update may also cause this. If your key fob is not working, you may want to consider getting it replaced. This can be accomplished by a locksmith that specializes in this kind of work.
Radio interference is a different possibility. This can occur if you have other wireless devices around that transmit on the same frequency, like radar detectors or home security systems. If this is the case, you should consult with other manufacturers of your device to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob may have an unreliable switch or electrical component that must be replaced. You can find online guides that guide you through the process of fixing this yourself. You should be careful when doing this, however, because the circuit board that is inside the key fob is tiny and is prone to breaking if handled roughly. If you're doing this yourself, be sure to use a good quality SMT switch and solder it into place properly.
Out Buttons Out Buttons
Car key fobs can get a lot of wear and tear. They are prone to being dropped and spend a lot of time being tossed around in your pocket or purse. The constant jostling can cause the buttons to wear out or get stuck. In this case, a simple adjustment may be all that's needed to make it work again.
Most modern key fobs come with sensors that detect when they've been used. key fob repairs designed to detect this to reduce the likelihood of thieves stealing your car. If the buttons on your key fob don't work when you press them, they're worn out and need to be replaced.
Key fobs also have an electronic circuit inside that sends signals to the car. These signals include commands to unlock and lock your car, as well as instructions to start the engine. If the circuit board inside is damaged, your key fob might not unlock or start your engine. Typically, this type of damage is caused by water, blunt force or something that scratches the circuit board.
You'll notice that the buttons on your key fob are wearing down when you press more than usual in order to get them working. The fob may be unable to send a signal to your car or have a lower range.
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 tell if the key fob is damaged, or if the cylinder in your ignition is worn out.
Fortunately, the majority of car keyfob problems aren't too difficult or serious. Keep a spare key fob in your car at all times to avoid being shocked by a malfunctioning key. This will ensure that you're never trapped in a place due to the loss or malfunction of your key. If you lose your spare key a professional locksmith can reset it to work with your car's engine. They can also repair any internal damage to the key fob.
Broken Case
A key fob's case is more than just a place to store the buttons and battery. It also houses the circuit board responsible for doing all of the electrical magic when you hit a button on your key fob. This board transmits 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 that your local auto locksmith or the dealership can help you with.
Another reason your key fob may not be working is because the batteries are not working. The battery can be replaced at your home. The good thing is that you can locate a replacement battery online or at your local auto parts store since these batteries are not exclusive to key fobs.
Depending on the type of key fob you have, there are different ways to open it up and get inside. You can find out what kind of battery your key fob has by conducting a quick internet search. You can then purchase a new replacement and pop the old one out and then insert the new one into.
The biggest concern when repairing an old car key fob is that you don't want to harm the circuit board or buttons any further. If you attempt to pull apart the key fob using the screwdriver or another sharp edge, it could break the plastic or damage the case. Fortunately, a replacement for the case is cheap and you can buy an entire fob 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 dead or if the circuit board has become damaged. If this isn't the case, a professional will repair it quickly and cheaply. In the event that it isn't, it's time to invest in a replacement. Be sure to check the warranty of any fob replacement or used that you purchase on the internet.