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How to Repair Car Key Fobs
Although we test them many a times keys are not indestructible. They can actually break down in various ways.
The most frequent issue is the battery being dead, other issues can be more serious. Fortunately, many of these issues can be solved with a quick DIY fix at home.
Dead Battery
A dead battery is likely the most common reason why the car key fob stop working. Fob batteries tend to drain quickly, especially if they are exposed or humid temperatures or water. It is a good idea to keep an extra battery in your wallet just in case.
It is easy to tell that the battery in your car key fob is running low by the fact that the LED light will stop glowing. The fob may also stop working from the same distance it was previously working to. In this instance the key fob could require reprogramming or replaced entirely.
Fortunately replacing a car key fob battery is simple. Find out the type of battery used. The type of battery should be stamped on the side of your key fob. If you're unsure then doing a quick Google search will help. Once you've identified the kind of battery you want, open the key fob at the junction. Make use of a flathead screwdriver or even your fingernail to separate the two halves. 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 up toward the buttons in the fob.
auto key repair near me might not be aware that their fob is dead until they attempt to lock or unlock their vehicle and the buttons don't respond. In some instances, this can be solved by reprogramming your fob, however, this can be expensive and time-consuming. Another option is to contact roadside assistance and see if they can jump your vehicle and get you back on the road.
If you've tried both solutions and your car still doesn't turn on, it's time to contact a professional. A qualified technician can determine whether your car's computer requires changing its programming, or if the fob only requires a new battery. They may also recommend an auto repair shop that can replace your key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Damaged Circuit Board
The key fob isn't indestructible, but it is able to endure a lot of physical harm. The battery, circuit board and buttons are all susceptible to wear and wear and tear. It is important to take care of these components to ensure that your key fob is in good condition.
The most straightforward thing to do is to make sure the battery in the key fob isn't dying. If it is then replace the battery and determine if this fixes the problem. If not, you might need to open the key fob and clean the contact surfaces. This can be a challenge since some key fobs don't have easy-release mechanisms that allow you to unlock them and you could end up damaging your key fob if attempt to break it. You can buy a special tool to open your key fob, however you must always follow the instructions of the manufacturer to avoid damaging it.
A damaged or corrupted key fob circuit board is a frequent issue. This can be caused by many things like dirt or moisture that gets into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob has stopped functioning, you might want to consider getting it replaced. This can be accomplished by a locksmith that specializes in this kind of work.
Radio interference is also a possibility. This could happen in the event that you have other wireless devices that transmit on the same frequency, like radar detectors or home security systems. If this is the case you need to contact the manufacturer of the other device to ensure that your key fob won't be affected by their signals.
It's also possible that your key fob may have an issue with the switch or another electrical component that must be replaced. This is a difficult fix, but you can find guides online that show you how to do it yourself. You should be careful, however, as the circuit board that is inside your key fob is small and can easily break if handled with care. If you're doing this yourself, be sure to make use of an SMT switch of good quality and put the switch in the correct position.
Buttons that are worn out
Car key fobs are susceptible to a lot wear and tear. They're susceptible to being dropped and are frequently being tossed around in your purse or pocket. Sometimes, this jostling can cause buttons to wear out or become stuck. In this case it's possible that a simple adjustment will be all it takes to make it work again.
Most modern key fobs have sensors that detect if they've been pressed. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob aren't responding when pressed, they are worn out and need to be replaced.
The circuit board inside the key fob transmits signals to your car. The signals include commands to unlock and lock and also commands to start your 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 a scratch on the circuit board.
If you're having to press the buttons more than usual in order to activate them the fob's buttons are getting worn out. Additionally, your fob may cease transmitting signals to the car, or have less range than it did prior to.
If you're unable to unlock your key fob, unlock or start your vehicle, it's crucial to contact an emergency locksmith in your area. They can determine if your key fob is damaged or the cylinder in your ignition is worn out.
Fortunately, most key fob issues in cars aren't a major or difficult issue. Keep an extra key fob in your vehicle always in case you end up being thrown off by a malfunctioning key. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. If you lose your spare key, an expert locksmith can rekey it to work with your car's engine. They'll also be able fix any internal damage that may have been caused to your key fob.
Broken Case
The case of the key fob is more than just shield the batteries and buttons. It also houses the circuit board responsible for performing all the electrical magic when you hit a button on your key fob. The board transmits the signal from your key fob to your car.
If the board is damaged or dead your key fob will not be able to function. A dead key fob may only need to be reprogrammed by a local auto locksmith, or dealer.
Another reason why your key fob might not be functioning is that the batteries are dead. The battery can be replaced at your home. You can purchase an alternative battery at the local auto parts store or on the internet. These batteries aren't only intended for key fobs.
There are a variety of ways to open up the key fob and go inside it, based on the type. You can find out what kind of battery your key fob is using by conducting a quick internet search. From there, you can buy a replacement and easily pop the old one out and put the new one in.
The most important thing to consider when fixing an old car key fob is that you don't want to damage the circuit board or buttons any further. If you attempt to pull apart the key fob using a screwdriver or other hard edge, it could crack the plastic or damage the case. Luckily, a replacement case is cheap and you can purchase a whole fob assembly with the electronics on eBay or Amazon for less than $40.
If your key fob does not work, you should 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. If not, it might be time to replace the fob. Make sure to verify the warranty of any replacement or used fobs that you purchase online.