How to Repair Car Key Fobs
Key fobs can become damaged even if we use them frequently. They can be destroyed in a variety of ways.
Other issues can be more serious than the battery being dead. Fortunately, many of these issues can be solved by making a quick DIY fix at home.
Dead Battery
A dead battery is probably the most common reason why the car key fob stops working. Fob batteries tend to drain quickly, particularly if they are exposed to extreme heat or humid temperatures or even water. Keep an extra battery in your wallet in case you require it.
You can usually tell when the battery in your car key fob is depleted because the LED light will cease to blink. The key fob could also stop working from the same distance it was previously working to. In this instance the key fob could require reprogramming or replaced altogether.
It is simple to replace the car keyfob battery. Find out the type of battery used. The type of battery should be engraved on the back of your key fob. Google can help when you're not sure. Once you have found the type of battery and the key fob, you can open it near the seam. You will need to use small flathead screwdrivers or your fingernail to pry the two halves apart. Remove the old battery, and replace it with a brand new one. Make sure you insert the new battery with the positive (+) side facing up toward the buttons in the fob.
Some drivers aren't aware that their fob is dead until they lock or unlock their car, and the buttons don't work anymore. This can be corrected by reprogramming the fob. However it could be costly and time-consuming. Another option is to contact roadside assistance and see if they are able 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 time to call an expert. A trained technician can determine if your vehicle's computer system requires reprogramming or if the fob needs a new battery. They can also suggest an auto shop that will replace the key fob. In the end it is not always the case that a new fob is the most effective solution.
Circuit Board Damage
A key fob is not indestructible, but it can endure a lot of physical damage. The battery, circuit board and buttons are all subject to wear and wear and tear. It is important to take care of these components to ensure your key fob remains in good condition.
Verify that the battery still functioning on your key fob. Replace the battery to see if it solves your problem. If this does not work, you may need to open the fob and clean its contact surfaces. This can be difficult because some key fobs don't have easy-release mechanisms that allow you to unlock them and you could damage your fob if you attempt to break it. You can purchase a specific tool to open your key fob, but you must always follow the manufacturer's instructions to avoid damaging it.
A damaged or defective key fob circuit board is another common problem. This can be due to various factors, such as dirt or moisture that gets into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob has stopped working completely, consider having it reprogrammed by a locksmith that specializes in this type of work.
Radio interference is a different possibility. It could happen when you have other wireless devices around that transmit at the same frequency, such as radar detectors or home security systems. If this is the case, you should inquire with the other manufacturers of your device to ensure that your key fob isn't affected by their signals.
There may be a need to replace a switch or another electrical component of your key fob. You can find online guides that guide you through the process of fixing this yourself. Be careful to be careful, however, since the circuit board in your key fob is very small and can easily break if handled roughly. If you do 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 a lot of wear and tear. They are more prone to being dropped and spend a lot of time in your purse or pocket. Sometimes, this jolting can cause the buttons to wear out or stuck. If this happens it's possible that a simple adjustment will be all it takes to get it working again.
Modern key fobs are equipped with sensors that can detect when they've been press. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob aren't responding when pushed, that's an indication that they're worn out and need to be replaced.
The circuit board inside the key fob also sends signals to your car. The signals include unlock and lock commands and also instructions to start your engine. If the circuit board inside your vehicle is damaged, your key fob may not be able to unlock your vehicle or even start the engine. This type of damage is typically caused by water or blunt force.
You'll notice that the buttons on your key fob are wearing down If you're finding yourself pressing them harder than normal to get them to work. In addition the fob might stop transmitting a signal to the car, or have a lower range than it did before.
If you're unable to get your key fob to unlock or start your car, it's important to call a locksmith in your area immediately. They can determine if your key fob is damaged or the cylinder in your ignition is worn out.
Fortunately, the majority of car keyfob issues aren't very complicated or even serious. remote key repairs to ensure you don't get caught off guard by a malfunctioning key fob is to keep a spare in your possession at all times. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. If you have lost your spare key, an expert locksmith can rekey it to work with your car's engine. They can also repair any internal damage to your key fob.
Broken Case
The case of your key fob does more than just protect the battery and buttons. The case also houses the circuitry that executes all the electrical magic when you press the key fob button. This board transmits the signal from your keyfob to your car.
Your key fob won't work if the board is damaged. Sometimes, a dead key fob will just need to be reprogrammed which is something your local auto locksmith or dealership can help you with.
Another reason your key fob may not be working is that the batteries are dead. The battery can be replaced at home. You can find a replacement battery at your local auto parts shop or online. These batteries are not only for key fobs.
There are several ways to open up a key fob to get inside it, based on the kind. A quick search on the internet will identify the type of key fob you have and what kind of battery it takes. You can then buy a new replacement and pop the old one out, and then insert the new one into.
The most important thing to consider when fixing a broken car key fob is that you don't want to damage the circuit board or buttons any further. If you attempt to pull off the key fob with a screwdriver or other hard edge, it can crack the plastic or damage the case. A replacement case isn't expensive and you can buy an entire fob, including the electronics on eBay or Amazon for under $40.
So, if your key fob doesn't work Check to see if the batteries are dead or if the circuit board is damaged. If that's not the case, a professional will repair it for you quickly and inexpensively. If not, it may be time to replace the fob. Make sure you check for a warranty on any replacement or used fobs you buy online.