How to Repair Car Key Fobs
Even though we put them through many a times keys aren't impervious to destruction. They can actually be destroyed in a variety of ways.
Other issues can be more serious than a dead battery. Most of these issues can be resolved by a quick fix at home.
Dead Battery
A dead battery is the most frequent cause of a key fob that is not working. Fob batteries can deplete quickly, especially if they are exposed or cold temperatures, humidity or water. It is a good idea to keep an additional fob battery in your wallet in case.
You can usually tell that your car key fob's battery is running low by the fact that the LED light will stop glowing. The key fob could be unable to function from the same distance it was previously working to. In this instance, it may be necessary to re-program the key fob or replace it altogether.
Fortunately the replacement of the car key fob battery is easy. First, you need to determine the kind of battery is used. The type of battery you are using should be engraved on the back of your key fob. If you're not sure, an easy Google search can help. Once you have found the battery type, open the key fob at the seam. Use a flathead screwdriver, or even your fingernail, to separate the two halves. Then, you can remove the old battery and insert a new one in its place. Make sure to insert the new battery with the positive (+) side facing up toward the buttons on the fob.
Some drivers don't even realize that their fob has died until they lock or unlock their car, and the buttons no longer work. In some instances this problem can be resolved by reprogramming your fob, however, this can be expensive 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 all three of these methods and your car still won't start, then it's time to contact a professional. A qualified technician will be able to determine if the car's computer system needs reprogramming or the fob simply requires a replacement battery. They can also suggest an auto repair shop that can replace the fob that you use to access your car. Sometimes it is possible that a new fob may be the best option.
Circuit Board Damage
A key fob is not indestructible, but it can endure a lot of physical damage. Battery, circuit board and buttons are all susceptible to wear and wear and tear. It is essential to take care of these components to ensure that your key fob is in good working order.
The easiest thing to check is to make sure the battery in your key fob isn't depleted. Replace the battery to see if it fixes the issue. If not, you may require opening the key fob and clean the contact surfaces. It isn't easy to open some key fobs because they do not have an easy-release mechanism. You may damage the fob by trying to take it apart. You can buy a special tool to open your key fob, but it is recommended to adhere to the manufacturer's guidelines to avoid damaging it.
Another problem that is frequently encountered is a damaged or corrupted circuit board in the key fob. This can be caused by many things 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 getting it changed. This can be accomplished by a locksmith that specializes in this type of work.
Radio interference is another possible cause. This could happen if you have other wireless devices around that transmit at the same frequency, for example, radar detectors or home security systems. If this is the case, consult with other device manufacturers to make sure that your key fob's signal isn't affected by their signals.
It is also possible to replace a switch or another electrical component inside your key fob. This is a harder fix however, there are online guides that will show you how to fix it yourself. Be careful when doing this, however, because the circuit board that is inside your key fob is very small and is prone to breaking if handled roughly. If you do this yourself, make sure to use a high quality SMT switch and solder it in place correctly.
Out Buttons Out Buttons
Car key fobs are prone to a lot of wear and tear. They are susceptible to being dropped and spend a lot time being jostled in your purse or pocket. The constant jostling can cause buttons to wear out or get stuck. A simple adjustment can solve the issue.
Modern key fobs come with sensors that are able to detect when they have been hit. They're designed to detect this because they can help decrease the chance of theft by someone else of your vehicle. If the buttons on your key fob aren't responding when you press them this is a sign that they're worn out and require to be replaced.
The circuit board in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well as commands to start your engine. If the internal circuit board is damaged, your key fob might not unlock or start your engine. This kind of damage is usually caused by water or blunt force.
You'll notice that the buttons on your key fob are wearing out If you're finding yourself pressing them harder than usual to get them to work. Additionally your fob could stop transmitting a signal to the car or it'll have less range than before.
If you're unable to unlock your key fob, unlock or start your car, it's important to find a locksmith in your area immediately. They'll be able determine whether the key fob is damaged or your ignition cylinder is worn out.
Fortunately, the majority of car keyfob problems aren't too difficult or serious. The best way to avoid being taken by surprise by an issue with your key fob is to have a spare in your possession at all times. This will ensure that you're not trapped in a place due to a lost or malfunctioning key. If you do happen to lose your spare car key, a locksmith can help change the key to ensure it is compatible with the ignition of your car. They can also fix any internal damage to the key fob.
Broken Case
The case of your key fob is more than just a place to store the battery and buttons. It also houses the circuit board responsible for doing all of the electrical magic when you hit the button on your key fob. The circuit board relays the signal from your keyfob to your car.
If this board is damaged or dead, your key fob won't be able to function. A dead key fob may require reprogramming by your local auto locksmith or dealer.
Another reason why your key fob may not be functioning is that the batteries are not working. The battery can be replaced at your home. The positive side is that you can locate a replacement battery on the internet or at a local auto parts store, since these batteries are not exclusive to key fobs.
There are many ways to open a key fob and get inside it, based on the type. A quick search online should show you which type of key fob you have and what kind of battery it requires. From there, car remote key repair can buy the replacement and simply take the old one out and put the new one in.
The biggest concern when repairing an old car key fob is that you don't want to cause damage to the circuit board or buttons any further. If you attempt to pry away the key fob with a screwdriver or other hard edge, it could crack the plastic or damage the case. Fortunately, a replacement for the case is inexpensive and you can get the entire fob and the electronic components from eBay or Amazon for less than $40.
If your key fob isn't working look into whether the batteries are depleted or if the circuit board is damaged. If that's not the case, a professional can repair it for you quickly and inexpensively. Otherwise, it might be time to consider a replacement. Make sure you check the warranty of any replacement or used fobs that you purchase on the internet.