How to Repair Car Key Fobs
Key fobs can become damaged, even if we use them frequently. They can actually break down in different ways.
The most frequent issue is an unresponsive battery however, other issues could be more serious. Many of problems can be fixed with a simple fix at home.
Dead Battery
A dead battery is the most frequent reason for a key fob not working. Fob batteries are known to drain quickly, especially if they are exposed to hot or cold temperatures, humidity or even water. It is a good idea to keep an additional fob battery in your wallet just in case.
It is easy to tell the moment the battery of your car key fob is dying because the light on the LED will cease to blink. It's also possible that your key fob won't function from the same distance as it used to. In this instance, it may be necessary to re-program your key fob or replace it altogether.
Fortunately, replacing a car key fob battery is a simple task. First, you need to determine the kind of battery is being used. The type should be embossed on the side of the fob. Google can assist you if you're not sure. Once you have found the kind of battery you want and the key fob, you can open it at the junction. You will need to use a small flathead screwdriver or even your fingernail split the two halves. Then, remove the old battery and put a new one in its place. 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 car, and the buttons no longer work. This can be fixed by reprogramming your fob. However it can be costly and time-consuming. You can also contact roadside assistance to find out if they are able to start your car and get it back on the road.
If you've tried both of these solutions but your car won't start and you're not sure why, it's time for a professional. A trained technician can tell if your car's computer needs reprogramming, or if the fob only requires replacement batteries. They will also suggest a reputable auto shop to replace your key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Circuit Board Damage
A key fob is not indestructible, but it is able to endure a lot of physical harm. The battery, circuit board, and buttons all get their fair amount of wear and tear with time, so it's important to be vigilant and take care of them to keep your car key fob working well.
The most straightforward thing to do is to make sure the battery in your key fob isn't dead. Replace the battery to see if it solves your issue. If this does not work, you might need to open the fob and clean its contact surfaces. It isn't easy to open some key fobs since they don't have an easy release mechanism. You can harm your fob by trying break it. You can buy a special tool to open your key fob, however you must always follow the manufacturer's instructions to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board in the key fob. This can be caused by many things, including moisture or dirt getting into the battery compartment. Issues with software or an unintentional firmware update may be the cause of this. If your key fob has stopped functioning, you might be interested in getting it reprogrammed. This can be accomplished by a locksmith that specializes in this type of work.
Radio interference is also a possibility. This can occur if 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, check with the other manufacturers of the device to make sure that your key fob isn't affected by their signals.
It is also possible to replace a switch or other electrical component in your key fob. You can find online guides that will show you how to fix this yourself. It's important to be careful when doing this because the circuit boards that are inside the key fob are tiny and easily break in the event of rough handling. If you're doing it yourself, be sure to make use of an SMT switch of good quality and put the switch in place in a proper manner.
Buttons that are worn out
Car key fobs are prone to a lot wear and wear and tear. They are susceptible to being lost and spend a significant amount of time being tossed around in your purse or pocket. This jostling can sometimes cause buttons to wear out or become stuck. When this happens it's possible that a simple adjustment will be all that's needed to make it work again.
Modern key fobs are fitted with sensors that are able to detect when they have been hit. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob don't respond when pressed, they are worn out and need to be replaced.
The circuit board in the key fob transmits signals to your car. These signals include commands to unlock and lock your car, and commands to start your engine. If the internal circuit board is damaged, your key fob might not unlock or start your engine. Most of the time, this kind of damage is caused by water, force blunt or something that scratches the circuit board.
You'll be able to tell that the buttons on your key fob are wearing down if you find yourself pressing the buttons more than normal to get them to function. In addition the fob might stop sending a signal to the car or it'll have less range than it did prior to.
If you're not able to unlock your key fob, unlock or start your car, it's important to find an emergency locksmith in your area. They'll be able to tell whether the key fob itself is damaged or if your ignition cylinder has worn down.
Fortunately, the majority of car key fob issues aren't a major or difficult issue. The best way to ensure you don't get taken by surprise by an unresponsive key fob is to have an extra in your pocket at all times. You'll never be caught in the middle due to an unresponsive or lost key. Of course, if you do happen to lose your spare car key A locksmith can change the key so that it works with the ignition of your car. They'll also be able to fix any internal damage that has been caused to the key fob.
Broken Case
The case of your key fob is more than just a place to store the battery and buttons. The case also houses the circuitry that does all the electrical magic whenever you press the button on your key fob. This board receives the signal from your key fob, and then transmits it to your car.
Your key fob will not function if the board is damaged. Sometimes, car key lock repair near me that is dead can be reprogrammed which is something your local auto locksmith or the dealership can assist you with.
Batteries may be the cause the key fob's not working. The battery can be replaced at your home. The good news is that you can get the replacement battery on the internet or at your local auto parts shop since these batteries aren't exclusive to key fobs.
There are several ways to open a key fob to get inside it, depending on the type. A quick internet search should show you which type of key fob you have and what kind of battery it uses. From there, you can purchase a replacement and easily pop the old one out and the new one in.
If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons further. If you try to pry off the key fob with the screwdriver or another 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 electronics on eBay or Amazon for less than $40.
If your key fob does not work, check if you have damaged the circuit board or batteries. If this isn't the case, a professional will fix it quickly and inexpensively. Otherwise, it might be the time to purchase a replacement. Be sure to look for a warranty on any replacement or used fobs you purchase on the internet.