How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them frequently. In fact, they are able to be destroyed in a variety of ways.
While the most common problem is an unresponsive battery but other issues can be much more serious. Fortunately, many of them can be resolved by making a quick DIY fix at home.
Dead Battery
A dead battery is likely the most frequent reason a car key fob stops working. Fob batteries drain quickly, especially when they're exposed to extreme temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
You can usually tell that the battery of your car key fob is dying by the fact that the LED light will cease to glow. It's also possible that the fob won't function at the same distance it used to. In this instance the key fob could need to be reprogrammed or replaced altogether.
It is simple to replace the battery in a car keyfob. First, determine what kind of battery is being used. The type of battery should be engraved on the side 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 will need to use a small flathead screwdriver or even your fingernail to break the two halves. Remove the old battery and replace it with a brand new one. Place the new battery in such a way that the positive (+) face is facing 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 don't work anymore. In some instances this problem can be resolved by reprogramming your fob, however, it can be costly and time-consuming. You can also contact roadside assistance to determine whether they can restart your vehicle and get it back on the road.
If you have tried all of these options and your car is still unable to start then it's time to contact a professional. A certified technician can determine the computer in your car needs reconfiguring, or if your key fob only requires an upgrade in battery. They may also recommend an auto shop that will replace the fob that you use to access your car. In the end, though sometimes, a brand new fob is the most effective solution.
Circuit Board Damage
The key fob isn't indestructible, but it can be able to withstand a variety of physical harm. The battery, circuit board and buttons are all subject to wear and tear. It is important to take care of these components to ensure that your key fob is in good working order.
The easiest thing to check is that the battery in the key fob isn't dying. Replace the battery to see if it solves the issue. If not, you'll need to open the key fob and clean the contact surfaces. This can be tricky because some key fobs don't have easy-release mechanisms that allow you to unlock them, and you can easily end up damaging your key fob if try to pull it apart. You can purchase a special tool to open your key fob, however you must always follow the instructions of the manufacturer to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board in the key fob. This can be caused by many things, including dirt or moisture getting into the battery compartment. Software issues or an unintentional firmware update may be the cause for this. If your key fob isn't working, you may think about getting it replaced. This can be done by a locksmith that specializes in this work.
Radio interference is another possibility. This can happen if there are other wireless devices transmitting on the same frequency your key fob, such radar detectors or home security systems. If this is the case you need to get in touch with the manufacturer of the other device to ensure that your key fob won't be affected by their signals.
There may be a need to replace a switch or other electrical component of your key fob. There are online guides that will help you fix this yourself. You should be careful when doing this, however, because the circuit board in your key fob is small and could easily break if handled roughly. If you're doing this yourself, be certain to use a top quality SMT switch and then solder it into place properly.
In a state of wear Out Buttons
Car key fobs can get quite a bit of wear and tear. They are susceptible to being dropped and spend a lot of time in your purse or pocket. Sometimes, this can cause buttons to wear out or stuck. A simple adjustment can solve the problem.
Most modern key fobs have sensors on them that detect when they've been used. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob don't respond when pressed, they are worn out and need to be replaced.
The circuit board inside the key fob also transmits signals to your car. These signals include commands to unlock and lock, as well as commands to start your engine. If your internal circuit board is damaged, the key fob you have may not unlock your vehicle or even start the engine. Typically, this type of damage is caused by water, force blunt, 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 them harder than usual to get them to work. In addition your fob could cease transmitting signals to the car or it'll have a lower range than it did before.
Contact a locksmith right away in the event that you are not able to use the key fob to access your car. They can determine if the key fob is damaged, or if the cylinder in your ignition is worn out.
Fortunately, the majority of key fob issues in cars aren't a major or difficult issue. The best way to avoid getting taken by surprise by an issue with your key fob is to have an extra in your pocket at all times. You won't be left stranded because of a malfunctioning or lost key. Of course, if you do happen to lose your car key spare A locksmith can rekey it to ensure it is compatible with the ignition in your car. They'll also be able repair 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. It also houses the circuit board that is responsible for doing all of the electrical magic when you hit a button on your key fob. This board receives the signal from your key fob and transmits it to your car.
If the board is damaged or dead the key fob won't be able to operate. Sometimes a dead key fob will just need to be reprogrammed, which is something your local auto locksmith or the dealership can help you with.
Another reason why your key fob may not be functioning is that the batteries are dead. This is a quick fix that can be accomplished at home by replacing the battery. The positive side is that you can locate an alternative battery on the internet or at your local auto parts shop since these batteries aren't exclusive to key fobs.
There are emergency car key repair of ways to open up a key fob to get inside, based on the type. You can determine what type of battery your key fob uses by doing a quick online search. From there, you can purchase 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 further. If you attempt to remove the fob using an edge that is sharp like a screwdriver can damage the case or even crack the plastic. Fortunately, a replacement for the case is inexpensive and you can get the entire fob and the electronics from eBay or Amazon for less than $40.
If your key fob does not work, check if you've damaged the circuit board or the batteries. If this isn't the situation, a professional could repair it quickly and cost-effectively. In the event that it isn't, it's the time to purchase a replacement. Be sure to check the warranty on any replacement or used fobs that you purchase online.