How to Repair Car Key Fobs
Even though we use them many a times, key fobs are not indestructible. In fact, they are able to break down in a variety of ways.
The most frequent issue is a dead battery however, other issues could be more serious. Many of problems can be fixed by a quick fix at home.
Dead Battery
A dead battery is the most frequent reason for a key fob not working. Fob batteries are prone to draining quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. It's a good idea to keep an additional fob battery in your wallet in case.
You will usually know that the battery in your car key fob is dying because the light on the LED will stop glowing. The fob might also stop working at the same distance it was previously working to. In this instance, the key fob may need to be reprogrammed or replaced entirely.
Fortunately, replacing a car key fob battery is a simple task. First, you need to determine the kind of battery is used. The type should be embossed on the back of the fob. Google can help if you're not sure. Once you have found the type of battery, open the key fob at the seam. Utilize a flathead screwdriver or even your fingernail, to separate the two halves. Then, take out the battery that was removed and replace it with an alternative one in its place. Make sure you insert the new battery with the positive (+) side facing up toward the buttons on the fob.
Some drivers aren't aware that their fob is dead until they lock or unlock their car, and the buttons don't work anymore. This can be corrected by reprogramming your fob. However it can be costly and time-consuming. Another option is to contact roadside assistance and see if they are able to jump your car and get you back on the road.
If you've tried both solutions and your vehicle still won't start, it's the right time to speak with a professional. A qualified technician can determine if the vehicle's computer system requires reprogramming or the fob simply requires a new battery. They can also suggest an auto shop to replace the fob that you use to access your car. In the end, though, sometimes a brand new fob is the most effective solution.
Damaged Circuit Board
Key fobs aren't impervious to destruction, but it can be able to withstand a variety of physical harm. The battery, circuit board and buttons are all susceptible to wear and wear and tear. It is essential to take care of these parts to ensure your key fob remains in good condition.
The easiest thing to check is that the battery in your key fob isn't dead. Replace the battery to see if it fixes your problem. If this does not work, you may need to open the fob and clean the contact surfaces. This can be a challenge since some key fobs do not have easy-release mechanisms that allow you to open them, and you can easily end up damaging your key fob if attempt to break it. 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 problem that is frequently encountered is a damaged or damaged circuit board in the key fob. This can be caused by a number of things, such as dirt or moisture that gets into the battery compartment, software issues or even an accidental firmware update. If your key fob has stopped working, you may want to consider having it changed. This can be accomplished by a locksmith that specializes in this work.
Radio interference is also a possibility. It could happen in the event that you have other wireless devices around that transmit on the same frequency, such as radar detectors or home security systems. If this is the situation you must contact the manufacturer of the other device to make sure that your key fob will not be affected by their signals.
It's also possible that your key fob has an unreliable switch or electrical component that should be replaced. This is a difficult fix however, you can find online guides that will show you how to fix it yourself. You should be careful, however, as the circuit board inside your key fob is small and could easily break when handled rough. If you're doing this yourself, be sure to use a good quality SMT switch and solder it in place correctly.
Worn Out Buttons
Car key fobs can suffer quite a bit of wear and tear. They're susceptible to being dropped, and they often are frequently being tossed around in your purse or pocket. This jostling can sometimes cause the buttons to wear out or get stuck. In nearby key repair shop g28carkeys.co.uk , a simple adjustment may be all it takes to get it working again.
Modern key fobs are equipped with sensors that can detect when they've been press. They're designed to do this to decrease the chance of someone stealing your car. If the buttons on your key fob aren't responding when you press them, that's an indication that they're worn out and need to be replaced.
The circuit board that is in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If the circuit board inside is damaged, then your key fob will not unlock or start your engine. This type of damage is usually caused by water or blunt force.
If you're having to press the buttons more than usual to make them function the key fob buttons are wearing out. Additionally your fob could stop transmitting a signal 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 car, you need to contact a locksmith in your area immediately. They can determine if your key fob is damaged or your ignition cylinder is worn out.
Fortunately, most car keyfob problems aren't complicated or serious. Keep an extra key fob in your car at all times to avoid being shocked by a malfunctioning key. You'll never be caught in the middle due to a malfunctioning or lost key. Of course, if you do lose your spare car key, a locksmith can help reset it to work with the ignition in your car. They'll also be able repair any internal damage that may have been caused to your key fob.
Broken Case
The case of the key fob is more than just protect the buttons and batteries. It also houses the circuit board responsible for performing all the electrical magic when you hit a button on your key fob. This board takes the signal from your key fob and sends it to your car.
If the board is damaged or dead the key fob won't be able to function. A dead key fob might require reprogramming by a local auto locksmith or dealership.
Batteries could be the reason your key fob's battery not working. This is a simple fix that you can do at home by replacing the battery. The good news is that you can get a replacement battery on the internet or at a local auto parts store since the batteries aren't limited to key fobs.

There are a variety of ways to open a key fob and get inside, based on the type. You can determine what kind of battery your key fob uses by conducting a quick internet search. From there, you can purchase a replacement and easily pop the old one out and 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 further. If you attempt to pull away the key fob with the screwdriver or another sharp edge, it can crack the plastic or break the case. A replacement case is inexpensive and you can buy the entire fob including the electronic components on eBay or Amazon for less than $40.
If your key fob isn't functioning Check to see if the batteries are dead or if the circuit board has been damaged. If that's not the situation, a professional could repair it quickly and cost-effectively. If not, it could be the time to purchase an upgrade. Make sure to verify the warranty on any fob replacement or used that you purchase online.