How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them a lot. They can break down in different ways.
Other issues could be more grave than the battery being dead. Most of these issues can be solved with a quick fix at home.
Dead Battery
A dead battery is probably the most common reason a car key fob stops working. Fob batteries tend to drain quickly, especially when they are exposed to extreme heat or cold temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
The LED light will usually cease to blink when the battery in the car key fob is low. The fob may also stop working at the same distance that it used to. In this scenario, the key fob may need to be programmed again or replaced completely.

Fortunately the replacement of the car key fob battery is a simple task. Find out the type of battery that is used. The type of battery you are using should be embossed in the side of your key fob. Google can assist you in case you're unsure. Unlock the key fob along the seam once you've identified the type of battery. Make use of a flathead screwdriver or even your fingernail, to break the two halves. Then, remove the old battery and put the new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers might not be aware that the fob is dead until they try to lock or unlock their vehicle and the buttons don't respond. In some instances, this can be solved by reprogramming your fob, but that can be costly and time-consuming. You can also contact roadside assistance to determine whether they can start your car and get it back on the road.
If you've tried all three of these methods but your car won't start and you're not sure why, it's time for a professional. A qualified technician will be able to determine if your car's computer system needs reprogramming or if the fob needs a replacement battery. They can also recommend an auto shop to replace the fob that you use to access your car. Sometimes an entirely new fob might be the best option.
Damaged Circuit Board
The key fob isn't impervious to destruction, but it can be able to withstand a variety of physical damage. The battery, circuit board, and buttons all get their fair amount of wear and tear over the course of time and it's crucial to be aware and take care of them to keep your car key fob functioning efficiently.
Verify that the battery still working on your key fob. If it is then replace the battery and check if it fixes your issue. If not, you might have to remove the key fob and clean the contact surfaces. This can be difficult because some key fobs don't have easy-release mechanisms to open them up and you could end up damaging your key fob if try to force it apart. You can buy a tool for opening your key fob. However, you should adhere to the guidelines of the manufacturer to avoid damaging the.
A damaged or defective key fob circuit board is a frequent issue. This can be caused by a number of things, such as dirt or moisture that gets into the battery compartment software problems or even an unintentional firmware update. If your key fob has stopped working completely, you should think about having it reprogrammed with locksmiths who specialize in this kind of work.
Radio interference is also a possibility. It could happen when you have other wireless devices around that transmit at the same frequency, like radar detectors or home security systems. If this is the case you must contact the other device manufacturer to ensure that your key fob won't be affected by their signals.
It is also possible to replace a switch or other electrical component of your key fob. You can find online guides that will help you fix this yourself. It's important to be careful when doing this because the circuit boards inside your key fob are small and are susceptible to breaking when handled rough. If you decide to do this yourself, make sure to use a good quality SMT switch and then solder it into place properly.
Worn Out Buttons
Car key fobs can get lots of wear and wear and tear. They are prone to getting dropped and spend a lot of time being jostled in your pocket or purse. The jolting can cause the buttons to wear down or become stuck. A simple adjustment can solve the issue.
Modern key fobs come with sensors that are able to detect when they've been pressed. This is due to the fact that they decrease the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when you press them, they're worn out and need to be replaced.
Key fobs also have an electronic circuit inside that sends signals to the car. These signals include commands to unlock and lock your car, and commands to start your engine. If the circuit board inside is damaged, your key fob will not be able to unlock or start your engine. Typically, this type of damage is caused by water, blunt force or something that scratches the circuit board.
If you're having to press the buttons more than usual to make them function the key fob's buttons are wearing out. Your fob could not be sending a signal to your car or have a lower range.
If you're unable get your key fob to unlock or start your car, you need to contact a locksmith in your area immediately. They'll be able to determine whether the key fob is damaged or if your ignition cylinder is worn out.
Fortunately, key repair near me aren't complicated or serious. Keep a spare key fob in your car always in case you end up being thrown off by a malfunctioning key. You'll never be stranded because of a malfunctioning or lost key. If you lose your spare key an expert locksmith can rekey it to work with your vehicle's engine. They'll also be able fix any internal damage that may have occurred to the key fob.
Broken Case
The case of a key fob does more than just shield the batteries and buttons. It also houses the circuit board responsible for doing all of the electrical magic when you press a button on your key fob. This board transmits the signal from your keyfob to your car.
Your key fob won't function if the board is damaged. A key fob that is dead may only need to be reprogrammed by your local auto locksmith, or dealer.
Another reason your key fob might not be functioning is that the batteries are not working. The battery can be replaced at home. The good news is that you can locate the replacement battery on the internet or at a local auto parts store, since the batteries aren't limited to key fobs.
Depending on the kind of key fob you have, there are a variety of ways to open it up and gain access to the inside. A quick internet search should show you which type of key fob yours is and the type of battery it requires. From there, you can buy a replacement and easily pop the old one out and put the new one in.
The biggest concern when repairing a broken car key fob is that you don't want to harm the circuit board or buttons any further. If you attempt to remove a key fob with a hard edge like a screwdriver could break the case or scratch the plastic. A replacement case isn't expensive 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 have damaged the circuit board or batteries. If this isn't the case, a professional can fix it quickly and inexpensively. If not, it could be time to replace the fob. Be sure to look for a warranty on any used or replacement fobs you buy on the internet.