How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them frequently. They can actually break down in different ways.
While the most common problem is the battery being dead but other issues can be much more serious. Fortunately, the majority 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 functioning. Fob batteries tend to drain quickly, especially if they are exposed to hot or cold temperatures, humidity or water. Keep an extra battery in your wallet in case you need it.
It is easy to tell when your car key fob's battery is running low by the fact that the LED light will cease to blink. It's also possible that your key fob won't function at the same distance it did in the past. In this scenario the key fob might need to be programmed again or replaced altogether.
It is simple to replace the battery in a car keyfob. First, you need to determine the kind of battery is used. The type of battery you are using should be stamped on the back of your key fob. If you're not sure it is, doing a quick Google search will help. The key fob can be opened along the seam after you have identified the type of battery. Make use of a flathead screwdriver or even your fingernail, to break the two halves. Then, remove the old battery and put a new one in its place. Make sure to insert the new battery with the positive (+) side facing up toward the buttons in the fob.
Some drivers may not realize the fob is dead until they try to lock or unlock their car and the buttons do not respond. In some cases this problem can be resolved by reprogramming your fob, but that can be costly and time-consuming. Another option is to call roadside assistance and see if they can jump your vehicle and get you back on the road.
If you've tried both of these solutions and your car is still unable to start then it's time for an expert. A certified technician will be able to determine whether your vehicle's computer system requires reprogramming or if the fob needs an upgrade in battery. They can also recommend an auto shop that will 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 impervious to destruction, but it can be able to withstand a variety of physical harm. Battery, circuit board and buttons are all susceptible to wear and wear and tear. It is essential to take care of these parts to keep your key fob in good condition.
The easiest way to test is to ensure that the battery inside your key fob isn't dead. If it is replaced, see if that fixes your issue. If this doesn't work, you might need to open the fob and clean its contact surfaces. It isn't easy to open certain key fobs due to the fact that they don't have an easy-release mechanism. You may harm your fob by trying to force it apart. You can purchase a specific tool to open your key fob, but you must always follow the manufacturer's instructions to avoid damaging it.
A damaged or defective key fob circuit board is another frequent issue. This can be due to many things, such as moisture or dirt that gets into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob isn't working, you may be interested in getting it changed. This can be done by a locksmith that specializes in this type of work.
Radio interference is another possibility. This can occur when 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 manufacturers of the device to make sure that your key fob isn't being affected by their signals.
You may also need to replace a switch or an electrical component of your key fob. This is a difficult fix however, there are 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 could easily break when handled rough. If you decide to do this yourself, make sure to use a high quality SMT switch and then solder it in place correctly.
Worn Out Buttons
Car key fobs are subject to a lot of wear and wear and tear. They are prone to getting dropped and spend a lot of time being jostled in your pocket or purse. The constant jostling can cause the buttons to wear down or get stuck. A simple adjustment can solve the issue.
The majority of modern key fobs have sensors that detect if they've been pressed. They're made to do this so that they can reduce the likelihood of someone stealing your car. If the buttons on your key fob don't work when you press them, they're worn out and should be replaced.
The circuit board in the key fob also sends signals to your car. Those signals include commands to unlock and lock, as well as instructions to start your engine. If the internal circuit board is damaged, then your key fob will not be able to unlock or start your engine. Generally, this kind of damage is caused by water, blunt force, or something scratching the circuit board.
You'll notice that the buttons on your key fob are wearing down when you press the buttons more than usual in order to get them working. In addition your fob could cease transmitting signals to the car or it'll have less range than before.
Contact a locksmith right away in the event that you are not able to use your key fob to access your remote car key repairs. They'll be able to determine whether the key fob itself is damaged or if your ignition cylinder is worn out.
Fortunately, most car mobile key repair near me fob issues aren't a major or difficult issue. Keep a spare key fob in your vehicle at all times to avoid being shocked by a malfunctioning device. This will ensure that you're not stuck in a bind due to a lost or malfunctioning key. Of course, if you do lose your car key spare, a locksmith will be able to rekey it to work with your car's ignition. They'll also be able repair any internal damage that has occurred to the key fob.
Broken Case
The case of a remote key repairs fob does more than just shield the batteries and buttons. It also houses the circuit board responsible for doing all of the electrical magic when you hit a button on your key fob. This board takes 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 key fob that is dead may need to be reprogrammed which is something your local auto locksmith or 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. You can find a replacement battery at the local auto parts store or on the internet. These batteries are not just for key fobs.
Depending on the kind of key fob, there are a variety of ways to open it up and get inside. You can determine the type of battery your key fob is using by doing a quick online search. You can then buy a new replacement and pop the old one out, and then put the new one in.
If you are repairing a damaged key fob, the primary concern is not to destroy the circuit or buttons further. If you attempt to pry off the key fob with an instrument like a screwdriver or any other sharp edge, it could break the plastic or damage the case. A replacement case isn't expensive and you can find a complete fob assembly including the electronic components on eBay or Amazon for less than $40.
So, if your key fob doesn't work Check to see if the batteries are depleted or whether the circuit board has been damaged. If that's not the situation, a professional could fix it quickly and inexpensively. If not, it could be time to replace the fob. Make sure to verify the warranty on any fob replacement or used that you purchase online.