How to Repair Car Key Fobs
Key fobs can become damaged, even if we use them a lot. In fact, they could be destroyed in a variety of ways.
Other issues could be more important than a dead battery. Many of these issues can be resolved with a simple fix at home.
Dead Battery
A dead battery is the main cause of the key fob not functioning. Fob batteries tend to drain quickly, particularly if they are exposed or cold temperatures, humidity or water. Keep an extra battery in your wallet in case you need it.
You will usually know that your car key fob's battery is running low because the light on the LED will stop glowing. The key fob could also stop working at the same distance that it used to. In this instance it could be necessary to re-program your key fob or replace it completely.
Fortunately the replacement of a car key fob battery is a simple task. First, determine what kind of battery is being used. The type should be embossed on the back of the fob. If you are not sure, a quick Google search will help. Unlock the key fob across the seam after you have identified the battery type. You will need to use small flathead screwdrivers or even your fingernail to pry the two halves apart. Take the old battery out, and replace it with a brand new one. Be sure to insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.
Some drivers may not be aware the fob is dead until they try to lock or unlock their car and the buttons do not respond. In some cases, this can be solved by reprogramming the fob however, this can be expensive and time-consuming. Another option is to call roadside assistance and see if they can jump your car and get you back on the road.
If you've tried both of these solutions and your car still won't start then it's time to contact a professional. A qualified technician can determine the computer in your car needs reconfiguring, or if your key fob simply needs replacement batteries. They can also recommend a reliable auto repair shop to replace your key fob. In the end, though, sometimes a brand new fob is the best solution.
Circuit Board Damage
A key fob can take a lot of physical abuse and is not indestructible. The battery, the circuit board buttons, and other components all suffer their fair share of wear and tear over time, so it's important to be on guard and take care of them to keep your car key fob operating well.
Make repair car key near me that the battery still functioning in your key fob. If it is replaced, determine if this fixes the problem. If not, you'll require opening the key fob and clean the contact surfaces. It can be difficult to open certain key fobs due to the fact that they do not have an easy-release mechanism. You could harm your fob by trying to break it. You can purchase a special tool to open your key fob, however you should always follow the manufacturer's instructions 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 numerous factors, such as moisture or dirt getting into the battery compartment. Software issues or an unintentional firmware update may be the cause for this. If your key fob is not working, you may be interested in getting it replaced. This can be done by a locksmith who specializes in this type of work.
Radio interference is also a possibility. It could happen when you have other wireless devices that transmit at the same frequency, for example, radar detectors or home security systems. If this is the case, inquire with the other device manufacturers to make sure that your key fob isn't being affected by their signals.
There may be a need to replace a switch or other electrical component in your key fob. This is a difficult fix however, there are guides online that show you how to fix it yourself. Be cautious when doing this, though, as the circuit boards that are inside your key fob are small and can break easily in the event of rough handling. If you do this yourself, be certain to use a top quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs can get a lot of wear and tear. They are prone to getting dropped and spend a lot time in your pocket or purse. Sometimes, this can cause the buttons to wear out or become stuck. In this case it's possible that a simple adjustment will be all it takes to get it working again.
Modern key fobs are equipped with sensors that are able to detect when they have been press. This is due to the fact that they decrease the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when you press them, they're damaged and should be replaced.
The circuit board inside the key fob also sends signals to your car. The signals include unlock and lock commands and also commands to start your engine. If the circuit board within your vehicle is damaged, then your key fob may not be able to unlock or start your engine. This type of damage is usually caused by blunt force or water.
If you're forced to press the buttons harder than usual to get them to function, then your fob's buttons are becoming worn out. Your fob might be unable to send an alert to your car or have a lower range.
If you're unable get your key fob to unlock or start your car, you need to find a locksmith near you immediately. They can determine if your key fob is damaged or your ignition cylinder is worn out.
Luckily, most key fob issues in cars aren't a major or difficult issue. Keep an extra key fob in your car always in case you end up being thrown off by a malfunctioning one. You won't be left stranded due to an issue with your key or a lost one. If you do happen to lose your car key spare, a locksmith will be able to rekey it to work with the ignition of your car. They'll also be able fix any internal damage that may have been caused to your 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 executes all the electrical magic every time you press the key fob button. The circuit board receives the signal from your key fob, and then transmits it to your car.
If this board is damaged or dead your key fob will not be able to function. A key fob that is dead may only need to be reprogrammed by your local auto locksmith or dealer.
Batteries could be the reason the key fob's not working. This is a simple fix that can be accomplished at home by replacing the battery. You can find the replacement battery from the local auto parts store or online. These batteries are not only intended for key fobs.
Depending on the type of key fob, there is various ways to open it and get inside. You can determine the kind of battery your key fob has by doing a quick online search. From there, you can buy an alternative and then simply 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 further. If you try to pry off the key fob with the screwdriver or another sharp edge, it can crack the plastic or break the case. A replacement case isn't expensive and you can buy an entire fob, including the electronic components on eBay or Amazon for less than $40.
So, if your key fob isn't functioning, check to see if the batteries are dead or whether the circuit board is damaged. If that's not the case, a professional can fix it quickly and cost-effectively. In the event that it isn't, it's time to consider a replacement. Be sure to check the warranty on any replacement or used fobs that you purchase on the internet.