How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them a lot. In fact, they are able to break down in a variety of ways.
The most frequent issue is a dead battery, other issues can be more grave. Fortunately, the majority of these can be fixed with a quick DIY fix at home.
Dead Battery
A dead battery is likely the most frequent reason the car key fob stops working. Fob batteries can deplete quickly, especially if they are exposed or humid temperatures, or water. It's a good idea to keep an additional fob battery in your wallet in case.
The LED light will generally cease to blink when the battery in your car key fob is low. It is also possible that the fob won't work at the same distance it used to. In this case, it may be necessary to re-program the key fob or replace it altogether.
Fortunately, replacing a car key fob battery is simple. First, find out what type of battery is used. The type should be embossed on the back of the fob. If you're not sure it is, a quick Google search will help. Unlock the key fob across the seam after you've identified the type of battery. You will need to use a small flathead screwdriver or even your fingernail to break the two halves. Remove the old battery, and replace it with a brand new one. Make sure to insert the new battery with the positive (+) side facing towards the buttons in the fob.
Some drivers may not be aware the fob is dead until they attempt to lock or unlock their vehicle and the buttons don't respond. In some cases this problem can be resolved by reprogramming the fob, however, this can be expensive and time-consuming. Another option is to contact roadside assistance and see if they can jump your car and get you back on the road.
If you've tried all the options but your vehicle doesn't turn on, it's time to speak with a professional. A qualified technician can determine if the car's computer system needs to be reprogrammed or the fob simply requires a replacement battery. They can also suggest an auto shop that will replace the fob that you use to access your car. Sometimes, however, a new fob may be the best option.
Circuit Board Damage
Key fobs aren't indestructible, but it can be able to withstand a variety of physical damage. The battery, the circuit board, and buttons all get their fair share of wear and tear with time It is therefore essential to be aware and take care of them to ensure that your car key fob working well.
The easiest way to test is to ensure that the battery inside your key fob isn't dead. Replace the battery to see if it solves the issue. If not, you'll need to open the key fob and clean the contact surfaces. This can be difficult because some key fobs don't have easy-release mechanisms that allow you to open them up, and you can easily harm your device if you try to force it apart. 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.
A damaged or defective key circuit board for the fob is another frequent issue. It can be caused by various factors, including dirt or moisture getting into the battery compartment. Software issues or even an accidental firmware update can also cause this. If your key fob has stopped functioning completely, you should consider having it reprogrammed by a locksmith that specializes in this kind 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, such radar detectors or home security systems. If this is the situation you need to get in touch with the manufacturer of the other device to ensure that your key fob will not be affected by their signals.
You may also need to replace a switch or another electrical component of your key fob. There are online guides that will help you fix this yourself. It is important to be cautious when doing this, as the circuit boards in your key fob are small and are susceptible to breaking if they are handled roughly. If you're doing this yourself, be sure to make use of an SMT switch that is of high-quality and solder the switch in the correct position.
Buttons that are worn out
Car key fobs can suffer lots of wear and wear and tear. They are more prone to being lost and spend a significant amount of time in your purse or pocket. The jolting can cause the buttons to wear down or become stuck. A simple adjustment can solve the issue.
Most modern key fobs have sensors that detect when they've been used. agree with this is because they reduce the possibility of someone taking your vehicle. If the buttons on your key fob aren't responding when you press them it's a sign that they're worn out and require 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 your internal circuit board is damaged then your key fob might not allow you to unlock your car or even start the engine. This type of damage is usually caused by blunt force or water.
You'll be able to tell that the buttons on your key fob are wearing down If you're finding yourself pressing them harder than usual to get them to work. Additionally view might stop sending a signal to the car, or have a lower range than it did before.
Contact a locksmith immediately in the event that you are not able to use your key fob to start your car. They can tell if the key fob is damaged or the cylinder of your ignition is worn out.
Fortunately, most car keyfob problems aren't too difficult or serious. The best way to avoid getting surprised by an unresponsive key fob is to have a spare in your possession at all times. This will ensure that you're never left stranded somewhere due to a lost or malfunctioning key. If you lose your spare key, an expert locksmith can rekey it to work with your car's engine. They'll also be able to fix any internal damage that may have occurred on your key fob.
Broken Case
The case of the key fob is more than just protect the buttons and batteries. The case also houses the circuitry that executes all the electrical magic every time you press a key fob button. The board transmits the signal from your key fob to your car.
If this board is damaged or dead your key fob will not be able to function. Sometimes, a key fob that is dead can be reprogrammed, which is something your local auto locksmith or dealership can assist you with.
Another reason your key fob might not be functioning is that the batteries are dead. The battery can be replaced at home. You can find an alternative battery at your local auto parts shop or online. These batteries are not only intended for key fobs.
There are a variety of ways to open up the key fob and go inside it, based on the kind. A quick internet search should identify the type of key fob yours is and the type of battery it takes. From there, you can purchase an alternative and then simply pop the old one out and put the new one in.
The most important thing to consider when fixing the broken car key fob is that you don't want to cause damage to the circuit board or buttons any further. If you attempt to remove a key fob with a hard edge like screwdrivers can damage the case or even crack the plastic. A replacement case is inexpensive and you can find the entire fob including the electronics on eBay or Amazon for under $40.
If your key fob doesn't work Check to see if the batteries are dead or whether the circuit board is damaged. If this isn't the case, a professional will fix it quickly and inexpensively. If not, it might be time to replace the fob. Make sure to verify the warranty of any replacement or used fobs purchased online.