How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them often. In fact, they can be destroyed in a variety of ways.
While the most common issue is an unresponsive battery but other issues can be more grave. The majority 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 drain quickly, especially when they're exposed to extreme temperatures, humidity or water. It's a good idea to keep an additional fob battery in your wallet just in case.
You can usually tell the moment the battery of your car key fob is depleted by the fact that the LED light will stop glowing. The fob might also stop working from the same distance it was previously working to. In this scenario the key fob could need to be reprogrammed or replaced completely.
Fortunately, replacing the battery in a car key fob is easy. Find out the type of battery that is used. The type of battery you are using should be engraved on the side of your key fob. Google can assist you when you're not sure. Once you've identified the kind of battery you want you want to use, open the key fob at the seam. Utilize a flathead screwdriver or even your fingernail, to pry apart the two halves. Remove the old battery, and replace it with a brand new one. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.
Some drivers may not be aware their fob is dead until they try to lock or unlock their vehicle and the buttons do not respond. This can be fixed by reprogramming your fob. However it could be time-consuming and expensive. You can also contact roadside assistance to determine whether they are able to restart your vehicle and get it back on the road.
If you've tried all of these options and your car is still unable to start then it's time to call a professional. A trained technician can tell if your car's computer needs changing its programming, or if the fob only requires a new battery. They may also recommend an auto shop to replace the key fob. Sometimes it is possible that a new fob might be the best solution.
Damaged Circuit Board
Key fobs can withstand many physical abuses and is not indestructible. The battery, circuit board buttons, and other components all suffer 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 working well.
Verify that the battery still working in your key fob. If it is then replace the battery and see if that fixes your problem. If this does not work, you might need to open the fob and clean its contact surfaces. This can be tricky since some key fobs don't have easy-release mechanisms that allow you to unlock them and you could harm your device if you try to pull it apart. You can purchase a special tool to open your key fob, however you should always follow the instructions of the manufacturer to avoid damaging it.
A damaged or corrupted key fob circuit board is another common problem. It can be caused by various factors, including dirt or moisture entering the battery compartment. Issues with software or an unintentional firmware update may be the cause of this. If your key fob is not working, you may want to consider getting it changed. This can be done by a locksmith that specializes in this type of work.
Radio interference is another possibility. It could happen if are other wireless devices operating on the same frequency as your key fob, such a radar detectors and home security systems. If this is the case, you should check with the other manufacturers of the device to make sure that your key fob's signal isn't affected by their signals.
It is also possible 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, however, as the circuit board inside your key fob is small and can easily break if handled with care. If you're doing this yourself, be sure to use a good quality SMT switch and then solder it into place properly.
Worn Out Buttons
Car key fobs are prone to a lot wear and wear and tear. They are prone to being dropped and often are frequently moving around in your purse or pocket. Sometimes, this jostling can cause the buttons to wear out or become stuck. A simple adjustment can fix the issue.
Most modern key fobs have sensors that detect if they've been pressed. This is because they reduce the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when pushed this is a sign that they're worn out and require to be replaced.
The circuit board inside the key fob also sends signals to your car. These signals include commands to unlock and lock and also instructions to start your engine. If the internal circuit board is damaged, your key fob will not allow you to unlock or start your engine. This kind of damage is usually caused by blunt force or water.
If you're forced to press the buttons harder than usual to make them function, then your key fob's buttons are getting worn out. Additionally, your fob may stop transmitting a signal to the car, or have less range than before.
Contact a locksmith right away when you're not able to use the key fob to start your car. They'll be able to tell whether the key fob itself is damaged or your ignition cylinder has worn down.
Luckily, most car key fob issues aren't serious or complicated. 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 caught in the middle due to an issue with your key or a lost one. If you lose your spare key a professional locksmith can rekey it to work with your vehicle's engine. They'll also be able fix any internal damage that may have occurred on the key fob.
Broken Case
The case for your key fob provides more than just protection for the battery and buttons. remote key fob repair houses the circuitry that does all the electrical magic whenever you press the key fob button. The circuit board relays the signal from your key fob to your car.
Your key fob will not work if the board is damaged. Sometimes, a dead key fob may need to be reprogrammed, which is something your local auto locksmith or dealership can assist you with.
Batteries may be the cause your key fob's battery not working. This is a quick solution that can be done at home by replacing the battery. You can get an alternative battery at the local auto parts store or on the internet. These batteries aren't only for key fobs.
Depending on the kind of key fob you have, there are different ways to open it up and get inside. A quick search on the internet will identify the type of key fob yours is and the type of battery it uses. From there, you can purchase a replacement and easily pop the old one out and put the new one in.
When repairing a broken key fob, the main goal is not to harm the circuit or buttons in any way. When you try to break a key fob with a sharp edge, such as a screwdriver can break the case or crack the plastic. A replacement case isn't much and you can purchase a complete fob assembly including the electronic components on eBay or Amazon for less than $40.
If your key fob won't work, check if you have damaged the circuit board or batteries. If this isn't the case, you can have it repaired quickly and inexpensively by an expert. Otherwise, it might be the time to purchase an upgrade. Make sure you check for a warranty on any used or replacement fobs that you purchase online.