How to Repair Car Key Fobs
Key fobs can be damaged, even if we use them frequently. They are able to break down in different ways.
While the most common problem is an unresponsive battery however, other issues could be much more serious. Many of these issues can be resolved by a quick fix at home.
Dead Battery
A dead battery is the most common reason for a key fob not working. Fob batteries are known 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 need it.
The LED light will usually stop glowing when the battery in the car key fob is running low. It's also possible that your key fob won't function from the same distance as it used to. In this case the key fob could need to be reprogrammed or replaced completely.
Fortunately, replacing the 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 help you when you're not sure. Once you've found the kind of battery you want you want to use, open the key fob near the seam. You will need to use small flathead screwdrivers or even your fingernail to pry the two halves apart. Remove the old battery and replace it with a new one. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers may not be aware their fob is dead until they attempt to lock or unlock their car and the buttons don't respond. This can be corrected by reprogramming your fob. However, it can be time-consuming and expensive. You can also contact roadside assistance to determine if they are able to start your vehicle and get it back on the road.
If you've tried every solution and your car still doesn't start, it's the right time to speak with an expert. A trained technician can determine if your vehicle's computer system requires reprogramming or if the fob requires a new battery. They can also suggest an auto repair shop that can replace the key fob. Sometimes an entirely new fob might be the best solution.
Damaged Circuit Board
A key fob is able to withstand a lot of physical abuse and isn't indestructible. The battery, circuit board, and buttons all get their fair amount of wear and tear over the course of time, so it's important to be vigilant and take care of them to keep your car key fob functioning well.
The most straightforward thing to do is to make sure the battery in your key fob isn't dead. If it is then replace the battery and check if it fixes your problem. If this doesn't work, you may have to open the fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms to open them and you could end up damaging your key fob if attempt to break it. You can purchase a specific tool to open your key fob. However, you must always follow the instructions of the manufacturer to avoid damaging it.
A damaged or damaged key fob circuit board is a frequent issue. This can be due to a number of things, such as dirt or moisture that gets into the battery compartment software, hardware issues or even an unintentional firmware update. If your key fob is not functioning, you might be interested in having it reprogrammed. This can be accomplished by a locksmith who is skilled in this type of work.
Radio interference is another possible cause. This can happen if there are other wireless devices transmitting on the same frequency as your key fob, like radar detectors, home security systems. If this is the case, consult with other manufacturers of your device to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob is equipped with an issue with the switch or another electrical component that must be replaced. There are online guides that will show you how to fix this yourself. Be cautious when doing this, however, because the circuit board inside your key fob is small and is prone to breaking when handled rough. If you're doing this yourself, be sure to make use of an SMT switch of good quality and then solder the switch into place in a proper manner.
Buttons that are worn out
Car key fobs are subject to a lot of wear and tear. They are susceptible to being dropped and spend a lot time in your pocket or purse. The constant jostling can cause the buttons to wear out or become stuck. A simple adjustment can fix the problem.
Modern key fobs are fitted with sensors that are able to detect when they've been hit. They're made to do this to reduce the likelihood of someone stealing your car. If the buttons on your key fob aren't responding when pushed it's a sign that they're worn-out and need to be replaced.
The circuit board in the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, and instructions to start the engine. If the circuit board inside is damaged, then your key fob might not allow you to unlock or start your engine. Generally, this kind of damage is caused by water, force blunt or something that scratches the circuit board.
If you're having to press the buttons harder than usual in order to make them function the key fob's buttons are getting worn out. Your fob could be unable to send signals to your car or have a lower range.
If you're not able to get your key fob to unlock or start your vehicle, it's crucial to contact a locksmith in your area immediately. They can determine if the key fob is damaged or the cylinder in your ignition is worn out.
Fortunately, most car key fob issues aren't serious or complicated. The best way to avoid being surprised by a malfunctioning key fob is to keep a spare in your possession at all times. This will ensure that you're never trapped in a place because of the loss or malfunction of your key. If you lose your spare key, a professional locksmith can rekey it to work with your vehicle's engine. They can also fix any internal damage to the key fob.
Broken Case
The case of a key fob does more than just protect the batteries and buttons. The case also houses the circuitry that does all the electrical magic every time you press the button on your key fob. The circuit board relays the signal from your key fob to your car.
Your key fob will not work if this board is damaged. Sometimes car key fob repairs near me will just need to be reset which is something your local auto locksmith or dealership can assist you with.
Another reason why your key fob may not be functioning is that the batteries are not working. This is a simple fix that you can do at home by replacing the battery. You can find the replacement battery from your local auto parts shop or on the internet. These batteries aren't just for key fobs.
There are several ways to open up a key fob to get inside it, based on the type. car keys repair on the internet will identify the type of key fob you have and the type of battery it takes. You can then purchase an alternative and take the old one out, and then put the new one in.
When repairing a broken key fob, the most important goal is not to harm the circuit or buttons further. If you try to pry off the key fob with the screwdriver or another sharp edge, it could crack the plastic or break the case. A replacement case is inexpensive and you can purchase the entire fob including the electronics on eBay or Amazon for less than $40.
If your key fob doesn't function, make sure you have damaged the circuit board or the batteries. If this isn't the situation, you can get it repaired quickly and inexpensively by an expert. If not, it could be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs you purchase on the internet.