How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them often. In fact, they can break down in a variety of ways.
Other issues can be more grave than a dead battery. Many of problems can be fixed by a quick fix at home.
Dead Battery
A dead battery is the main reason for a key fob not working. Fob batteries can deplete quickly, especially when they are exposed to hot or cold temperatures, humidity or water. It is a good idea to keep an extra fob battery in your wallet in case.
The LED light will generally stop glowing when the battery in the car key fob is running low. It is also possible that the fob won't work at the same distance it used to. In this scenario the key fob could require reprogramming or replaced altogether.
It is simple to replace a car keyfob battery. First, determine what kind of battery is being used. The type of battery you are using should be embossed in the back of your key fob. If you are not sure, a quick Google search can help. The key fob can be opened across the seam after you've identified the type of battery. Utilize a flathead screwdriver or even your fingernail, to pry apart the two halves. Then, take out the battery that was removed and replace it with the new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers don't realize that their fob has gone out of service until they lock or unlock their car and the buttons stop working. This can be corrected by reprogramming your fob. However it can be costly and time-consuming. You can also call roadside assistance to find out whether they can jumpstart your vehicle and get it back on the road.
If you have tried both of these solutions and your car still won't start then it's time to call a professional. A certified technician can determine if your car's computer system needs reprogramming or the fob simply requires a new battery. They can also suggest an auto shop to replace the key fob. In the end, though it is not always the case that a new fob is the most effective solution.
Damaged Circuit Board
A key fob is not indestructible, but it can withstand a lot of physical harm. The battery, circuit board and buttons are all susceptible to wear and tear. It is crucial to take care of these components to ensure your key fob remains in good working order.
Verify that the battery still functioning in your key fob. If it is replaced, see if that fixes your issue. If not, you might 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 may harm the fob by trying to take it apart. You can purchase a specific tool to open your key fob, but you must always adhere to the manufacturer's guidelines to avoid damaging it.
Another issue that is common is a damaged or corrupted 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 problems, or even an accidental firmware update. If your key fob isn't working completely, think about having it reprogrammed by a locksmith that specializes in this type of work.
Radio interference is also a possibility. It could happen if are other wireless devices that transmit on the same frequency 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 affected by their signals.
There may be a need to replace a switch or other electrical component of your key fob. This is a difficult fix however, you can find guides online that show you how to fix it yourself. It is important to be cautious when doing this it is important to be careful, since the circuit boards that are inside your key fob are small and are susceptible to breaking when handled rough. If you're doing this yourself, be sure to use an SMT switch that is of high-quality and put the switch in the correct position.
Worn Out Buttons
Car key fobs are prone to lots of wear and tear. They are prone to being dropped and often spend a lot of time jostled around in your pocket or purse. The jolting can cause the buttons to wear out or become stuck. Simple adjustments can resolve the issue.
Modern key fobs are equipped with sensors that are able to detect when they've been press. They're made to do this to lower the risk of someone stealing your car. If the buttons on your key fob don't work when you press them, 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 unlock and lock commands, as well as commands to start your engine. If the internal circuit board is damaged, your key fob may not unlock or start your engine. This kind of damage is usually caused by blunt force or water.
If you have to press the buttons harder than usual in order to make them function the fob's buttons are wearing out. Additionally, your fob may stop transmitting a signal to the car or have less range than before.
If you're not able to unlock your key fob, unlock or start your car, you need to call a locksmith in your area immediately. They'll be able determine whether the key fob itself is damaged or if your ignition cylinder is worn out.
Fortunately, the majority of car keyfob problems aren't too difficult or serious. Keep a spare key fob in your vehicle at all times to avoid being shocked by a malfunctioning key. This will ensure that you're not trapped in a place due to a lost or malfunctioning key. If you have lost your spare key, a professional locksmith can rekey it to work with your vehicle's engine. They'll also be able repair any internal damage that has occurred to the key fob.
Broken Case
The case of your key fob does more than just protect the buttons and battery. It also houses the circuit board responsible for all the electrical magic when you press the button on your key fob. This board takes the signal from your key fob, and then transmits it to your car.
Your key fob won't work if this board is damaged. Sometimes a dead key fob can be reset 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. This is a simple solution that can be done at home by replacing the battery. You can purchase an alternative battery at the local auto parts store or online. These batteries are not just for key fobs.
Depending on the kind of key fob, there are different ways to open it and gain access to the inside. A quick search on the internet will show you which type of key fob you have and the type of battery it requires. You can then purchase a new replacement and pop the old one out, and put the new one into.
When repairing a broken key fob, the most important goal is not to harm the circuit or buttons further. If key fob repair service attempt to remove the key fob using a sharp edge, such as a screwdriver could cause damage to the case or crack the plastic. A replacement case isn't much and you can find a complete fob assembly including the electronics on eBay or Amazon for less than $40.
If your key fob doesn't work, check if you've damaged the circuit board or the batteries. If this isn't the case, a professional can repair it for you quickly and inexpensively. If not, it could be time to consider a replacement. Make sure you check the warranty on any fob replacement or used that you purchase online.