How to Repair Car Key Fobs
Key fobs can be damaged even if we use them a lot. In fact, they are able to break down in a variety of ways.
While the most common problem is a dead battery, other issues can be much more serious. The majority of these issues can be resolved with a quick fix at home.
Dead Battery
A dead battery is likely the most common reason why a car key fob stops functioning. 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 require it.
It is easy to tell when your car key fob's battery is running low because the light on the LED will cease to glow. It is also possible that the fob won't function at the same distance it used to. In this instance the key fob might need to be reprogrammed or replaced altogether.
Fortunately, replacing a car key fob battery is simple. First, find out what kind of battery is used. The type of battery should be engraved on the back of the fob. Google can help in case you're unsure. Once you have found the battery type and the key fob, you can open it at the seam. You'll need an small screwdriver with a flat head or even your fingernail to break the two halves. Then, take out the battery that was removed and replace it with the new one in its place. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.
Some drivers may not realize the fob is dead until they attempt to lock or unlock their vehicle and the buttons do not respond. In some instances, this can be solved by reprogramming the fob, however, this can be expensive 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've tried all the options and your car still doesn't turn on, it's time to speak with an expert. A certified technician can determine the computer in your car needs changing its programming, or if the fob only requires replacement batteries. They can also recommend a reputable auto shop to replace your key fob. In the end, though sometimes, a brand new fob is the best solution.
Damaged Circuit Board
Key fobs can withstand many physical abuses and is not indestructible. The battery, circuit board buttons, and other components all suffer their fair amount of wear and tear over the course of time It is therefore essential to be on guard and take care of them to ensure that your car key fob working efficiently.
Make sure that the battery still working in your key fob. 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. It can be difficult to open certain key fobs because they don't have an easy-release mechanism. You could harm your fob by trying break it. You can purchase a specific tool for opening your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging the.
Another issue that is common is a damaged or damaged circuit board inside the key fob. This can be caused by numerous factors, such as moisture or dirt getting into the battery compartment. Software issues or even an unintentional firmware update may be the cause for this. If your key fob has stopped working completely, think about having it reprogrammed with a locksmith that specializes in this kind of work.
Radio interference is also a possibility. It could happen if are other wireless devices that transmit on the same frequency as your key fob, for instance a radar detectors and home security systems. If this is the case, check with the other device manufacturers to make sure that your key fob isn't being affected by their signals.
It is also possible to replace a switch or another electrical component in your key fob. This is a difficult fix however, you can find guides online that explain how to fix it yourself. Be careful to be careful, however, since the circuit board that is inside your key fob is very small and can easily break when handled rough. If you're doing this yourself, ensure you make use of an SMT switch that is of high-quality and then solder the switch into the correct position.
Buttons that are worn out
Car key fobs can suffer lots of wear and tear. They are prone to being dropped and often are frequently moving around in your purse or pocket. This jostling can sometimes cause the buttons to wear down or get stuck. A simple adjustment can fix the issue.
Most modern key fobs have sensors on them that can detect if they've been pressed. They're made to do this so that they can reduce the likelihood 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 need to be replaced.
The circuit board inside the key fob transmits signals to your car. These signals include commands to unlock and lock and also commands to start your engine. If your internal circuit board is damaged, your key fob 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 down when you press more than usual to get them to function. The fob may be unable to send a signal to your car or have a smaller range.
Contact a locksmith immediately if you are unable to use your key fob to start your car. They'll be able to tell whether the key fob itself is damaged or your ignition cylinder has worn down.
Fortunately, most key fobs for cars problems aren't complicated or serious. Keep an extra key fob in your vehicle always in case you end up being thrown off by a malfunctioning key. You won't be left stranded because of an unresponsive or lost key. If you do happen to lose your car key spare A locksmith can rekey it so that it works with your car's ignition. They'll also be able to repair any internal damage that may have occurred on your key fob.
Broken Case
The case for your key fob does more than just protect the battery and buttons. The case also houses the circuitry that performs all the electrical magic when you press the button on your key fob. The circuit board relays the signal from your key fob to your car.
If the board is damaged or dead your key fob will not be able to operate. A key fob that is dead may only need to be reprogrammed by a local auto locksmith or dealer.
Another reason your key fob might not be working is that the batteries are not working. This is a quick fix that can be accomplished at home by replacing the battery. You can find an alternative battery at your local auto parts shop or online. These batteries aren't only for key fobs.
Depending on the kind of key fob you have, there are a variety of ways to open it and access the insides. You can determine what kind of battery your key fob is using by conducting a quick internet search. You can then purchase an alternative and take the old one out and put the new one in.
If how to repair car key fob are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons further. If you attempt to pry off the key fob with a screwdriver or other hard edge, it can crack the plastic or damage the case. A replacement case is inexpensive and you can purchase a complete fob assembly including the electronic components on eBay or Amazon for less than $40.
So, if your key fob doesn't work look into whether the batteries are depleted or whether the circuit board is damaged. If that's not the situation, a professional could repair it quickly and cheaply. Otherwise, it might be the time to purchase a replacement. Be sure to look for a warranty on any used or replacement fobs you buy online.