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How to Repair Car Key Fobs
Even though we use them numerous times, key fobs are not indestructible. In fact, they could be destroyed in a variety of ways.
While the most common problem is the battery being dead, other issues can be more serious. Most of these issues can be resolved with a quick fix at home.
Dead Battery
A dead battery is likely the most common reason why the car key fob stops functioning. Fob batteries are prone to draining quickly, especially when they're exposed to extreme temperatures, humidity or water. It's a good idea to keep an extra fob battery in your wallet just in case.
You will usually know that the battery of your car key fob is dying because the light on the LED will stop glowing. The fob may also stop working from the same distance it was previously working to. In this case the key fob might need to be reprogrammed or replaced altogether.
It is easy to replace the car keyfob battery. First, you need to determine the type of battery is used. The type of battery should be engraved on the side of the fob. Google can help you if you're not sure. Unlock the key fob along the seam after you've identified the battery type. Make use of a flathead screwdriver or even your fingernail to break the two halves. Take the old battery out, and replace it with a new one. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers aren't aware that their fob has gone out of service until they lock or unlock their vehicle and the buttons stop working. In some instances this problem can be resolved by reprogramming the fob however, it can be costly and time-consuming. Another option is to call roadside assistance and ask them to jump your vehicle 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 your car's computer system needs reprogramming or if the fob needs a replacement battery. They can also recommend an auto repair shop that can replace the fob that you use to access your car. Sometimes, however, a new fob may be the best option.
Damaged Circuit Board
A key fob can take a lot of physical abuse and isn't indestructible. The battery, circuit board buttons, and other components all suffer their fair share of wear and tear with time, so it's important to be aware and take care of them to ensure that your car key fob working efficiently.
Make sure that the battery still functioning in your key fob. Replace the battery to see if it solves the issue. If not, you might need to open the key fob and clean the contact surfaces. It is sometimes difficult to open certain key fobs because they do not have an easy-release mechanism. You can cause damage to your fob by trying to break it. You can purchase a special tool for opening your key fob. But, you must follow the directions of the manufacturer to avoid damaging the.
Another issue that is common is a damaged or faulty circuit board on the key fob. It can be caused by various factors, such as moisture or dirt that gets into the battery compartment, software issues or even an unintentional firmware update. If your key fob isn't functioning, you might want to consider getting it changed. This can be accomplished by a locksmith who is skilled in this type of work.
Radio interference is another possible cause. This could happen if there are other wireless devices operating on the same frequency your key fob, like radar detectors or home security systems. If this is the case, you should get in touch with the manufacturer of the other device to make sure that your key fob will not be affected by their signals.
You may also need to replace a switch or another electrical component inside your key fob. You can find online guides that guide you through the process of fixing this yourself. Be cautious when doing this it is important to be careful, since the circuit boards inside your key fob are small and can break easily if they are handled roughly. If you're doing this yourself, make sure to use a good quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs are prone to lots of wear and wear and tear. They are prone to being dropped, and they often spend a lot of time moving around in your pocket or purse. The constant jostling can cause the buttons to wear down or get stuck. A simple adjustment can solve the problem.

Modern key fobs come with sensors that detect when they have been hit. They're designed to detect this to decrease the chance of theft by someone else of your vehicle. If your key fob's buttons don't respond when pushed this is a sign that they're worn out and require to be replaced.
Key fobs also have an electronic circuit inside that transmits signals to the car. Those signals include unlock and lock commands, as well as commands to start your engine. If the circuit board inside is damaged, then your key fob might not be able to unlock or start your engine. car key repair shop of damage is usually caused by water or blunt force.
You'll notice that the buttons on your key fob are deteriorating when you press them harder than normal to get them to work. Your fob could also stop sending an alert to your car or have a lower range.
Contact a locksmith immediately when you're not able to use your key fob to start your car. They'll be able determine whether the key fob itself is damaged or the ignition cylinder is worn out.
Fortunately, the majority of car keyfob problems aren't too difficult or serious. The best way to avoid getting surprised by an issue with your key fob is to have an extra in your pocket at all times. This will ensure that you're not left stranded somewhere due to a lost or malfunctioning key. If you lose your spare key, a professional locksmith can reset it to work with your car's engine. They'll also be able to repair any internal damage that has occurred to the key fob.
Broken Case
A key fob's case does more than just protect the buttons and battery. The case also houses the circuitry that does all the electrical magic every time you press a key fob button. This board takes the signal from your key fob and sends it to your car.
Your key fob won't work if the board is damaged. A key fob that is dead may require reprogramming 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. The good news is that you can get a replacement battery on the internet or at your local auto parts store since these batteries are not exclusive to key fobs.
There are a variety of ways to open up the key fob and go inside, based on the type. You can determine the type of battery your key fob is using by doing a quick online search. You can then purchase an alternative and take the old one out, and put the new one into.
If you are repairing a damaged key fob, the most important concern is not to destroy the circuit or buttons in any way. If you attempt to pull off the key fob with an instrument like a screwdriver or any other sharp edge, it can crack the plastic or damage the case. A replacement case isn't expensive and you can purchase the entire fob including the electronics on eBay or Amazon for less than $40.
If your key fob doesn't function, make sure you have damaged the circuit board or the batteries. If this is not the situation, you can get it repaired quickly and cheaply by an expert. If not, it could be the time to purchase an upgrade. Make sure you check the warranty on any fob replacement or used purchased online.