How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them a lot. They can break down in various ways.
While the most common issue is a dead battery but other issues can be much more grave. Fortunately, the majority of them can be resolved by a simple DIY fix at home.
Dead Battery
A dead battery is the most common reason for a key fob that is not working. Fob batteries are known to drain quickly, especially if they are exposed to hot or cold temperatures, humidity or even water. Keep an extra battery in your wallet in case you need it.
It is easy to tell the moment the battery in your car key fob is depleted because the light on the LED will cease to blink. The key fob could also stop working at the same distance it used to. In this case the key fob might require reprogramming or replaced completely.
Fortunately the replacement of the battery in a car key fob is a simple task. Find out the type of battery used. The type of battery you are using should be embossed in the back of your key fob. If you're unsure, a quick Google search will help. Unlock the key fob along the seam after you've identified the battery type. You will need to use an small screwdriver with a flat head or even your fingernail split the two halves. Then, remove the old battery and put an alternative one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers may not be aware the fob is dead until they attempt to lock or unlock their vehicle and the buttons do not respond. In some cases this problem can be resolved by reprogramming your fob, however, this can be expensive and time-consuming. You can also call roadside assistance to see if they are able to start your vehicle and get it back on the road.
If you have tried all of these options and your car still won't start then it's time to contact a professional. A qualified technician can determine the computer in your car needs reprogramming, or if the fob only requires a new battery. They can also recommend an auto shop to replace the fob that you use to access your car. In the end, though it is not always the case that a new fob is the most effective solution.
Circuit Board Damage
Key fobs can withstand a lot of physical abuse and isn't indestructible. The battery, circuit board and buttons are all subject to wear and wear and tear. It is essential to take care of these components to ensure that your key fob is in good working order.
Make sure that the battery still functioning on your key fob. If it is replaced, check if it fixes your issue. If not, you might need to open the key fob and clean the contact surfaces. This can be a challenge since some key fobs don't have a release mechanism that is easy to open them up and you may end up damaging your key fob if attempt to break it. You can buy a special tool to open your key fob, however you should always follow the manufacturer's instructions to avoid damaging it.
Another issue that is common is a damaged or damaged circuit board in the key fob. This can be due to a number of things like moisture or dirt that gets into the battery compartment, software issues or even an accidental firmware update. If your key fob has stopped functioning, you might think about having it replaced. This can be accomplished by a locksmith that specializes in this work.
Radio interference is another possibility. It could happen if you have other wireless devices that transmit on the same frequency, for example, radar detectors or home security systems. If this is the case, inquire with the other device manufacturers to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob may have an issue with the switch or another electrical component that should be replaced. This is a harder fix, but you can find online guides that will show you how to fix it yourself. It's important to be careful when doing this because the circuit boards that are inside your key fob are tiny and are susceptible to breaking when handled rough. If you decide to do this yourself, make certain to use a top quality SMT switch and then solder it into place properly.
In a state of wear Out Buttons
Car key fobs are prone to a lot of wear and tear. They are susceptible to being dropped and spend a lot time being tossed around in your purse or pocket. This jostling can sometimes cause the buttons to wear out or get stuck. If this happens it's possible that a simple adjustment will be all it takes to make it work again.
Modern key fobs are fitted with sensors that can detect when they have been hit. They're designed to detect this to reduce the likelihood of theft by someone else of your vehicle. If the buttons on your key fob don't respond when you press them, they're damaged and should be replaced.
The circuit board that is in the key fob transmits signals to your car. The signals include commands to unlock and lock and also instructions to start your engine. If your internal circuit board is damaged, your key fob might not unlock your vehicle or start the engine. This type of damage is typically caused by water or blunt force.
If you're forced to press the buttons more than normal to activate them If this is the case, then your key fob buttons are getting worn out. In addition the fob might stop transmitting a signal to the car, or have less range than before.
Contact a locksmith right away in the event that you are not able to use the key fob for your car. They can determine if your key fob is damaged, or if the cylinder of your ignition is worn out.
Fortunately, most key fob issues in cars aren't serious or complicated. Keep a spare key fob in your vehicle always in case you end up being thrown off by a malfunctioning device. You won't be left stranded because of a malfunctioning or lost key. If you lose your spare key, a professional locksmith can reset it to work with your vehicle's engine. They can also fix any internal damage to your key fob.
Broken Case
The case of the key fob does more than just shield the batteries and buttons. The case also houses the circuitry that performs all the electrical magic when you press the key fob button. This board transmits the signal from your keyfob to your car.
If the board is damaged or dead your key fob will not be able to function. Sometimes, a key fob that is dead can be reset which is something your local auto locksmith or the dealership can assist you with.
Batteries could be the reason of your key fob not working. This is a simple fix that can be accomplished at home by replacing the battery. You can purchase the replacement battery from your local auto parts shop or on the internet. These batteries are not only for key fobs.
There are several ways to open the key fob and go inside it, depending on the type. You can find out what type 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 put the new one in.
If you are repairing a damaged key fob, the main concern is not to damage the circuit or buttons more. If you attempt to pull apart the key fob using the screwdriver or another sharp edge, it can crack the plastic or break the case. Luckily, a replacement case is cheap and you can buy an entire fob with the electronics from eBay or Amazon for less than $40.
If your key fob isn't working, check to see if the batteries are depleted or whether the circuit board is damaged. If this isn't the case, you can have it repaired quickly and cheaply by a professional. If not, it could be time to replace the fob. Be key fob repair to check the warranty of any replacement or used fobs purchased online.