How to Repair Car Key Fobs
Even though we put them through many a times keys are not impervious to destruction. In fact, they are able to break down in many different ways.
The most frequent issue is an unresponsive battery however, other issues could be much more serious. Fortunately, many of these issues can be solved by a simple DIY fix at home.
Dead Battery
A dead battery is the main reason for a key fob not working. Fob batteries tend to drain quickly, especially if they are exposed to hot or cold temperatures, humidity, or water. It's a good idea to keep an extra fob battery in your wallet in case.
You will usually know that the battery in your car key fob is running low because the light on the LED will cease to glow. The key fob could also stop working at the same distance it was previously working to. In this scenario it could be necessary to re-program your key fob or replace it altogether.
It is easy to replace the car keyfob battery. First, you need to determine the type of battery is used. The type should be engraved on the back of the fob. If you're unsure, doing a quick Google search will be helpful. Once you've found the battery type, open the key fob near the seam. You'll need a small flathead screwdriver or even your fingernail to break the two halves. Take the old battery out, and replace it with a new one. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.
Some drivers aren't aware that their fob has died until they lock or unlock their vehicle and the buttons stop working. This can be corrected by reprogramming the fob. However, it can be costly and time-consuming. You can also contact roadside assistance to determine whether they are able to start your vehicle and get it back on the road.
If you have tried all three of these methods but your car won't start, then it's time to contact an expert. A trained technician will be able to determine whether your vehicle's computer system requires reprogramming or the fob simply requires a new battery. They may also recommend an auto shop to replace your key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Damaged Circuit Board
Key fobs can withstand some physical abuse and isn't indestructible. The battery, the circuit board, and buttons all get their fair amount of wear and tear over the course of time It is therefore essential to be aware and take care of them to keep your car key fob functioning well.
repair car key to test is to ensure that the battery inside the key fob isn't dying. If it is replaced, see if that fixes your problem. If this does not work, you might need to open the fob and clean the contact surfaces. It isn't easy to open certain key fobs since they do not have an easy-release mechanism. You could harm your fob by trying take it apart. You can purchase a special tool for opening your key fob. But, you must follow the directions of the manufacturer to avoid damaging the.
A damaged or defective key circuit board for the fob is another common problem. This could be due to many things, including dirt or moisture getting into the battery compartment. Software issues or even an accidental firmware update can be the cause for this. If your key fob has stopped functioning completely, you should think about having it reprogrammed with an expert locksmith who specializes in this kind of work.
Radio interference is a different possibility. This could happen if there are other wireless devices operating at the same frequency as your key fob, like a radar detectors and home security systems. If this is the case, check with the other device manufacturers to ensure that your key fob's signal isn't affected by their signals.
There may be a need to replace a switch or an electrical component of your key fob. This is a harder fix however, you can find online guides that will show you how to do it yourself. Be careful to be careful, however, since the circuit board in the key fob is tiny and can easily break if handled roughly. If you're doing this yourself, make sure to use an SMT switch of good quality and solder the switch in place in a proper manner.
Buttons that are worn out
Car key fobs are subject to a lot wear and wear and tear. They're susceptible to being dropped and often spend a lot of time being tossed around in your pocket or purse. Sometimes, this jolting can cause buttons to wear out or become stuck. A simple adjustment can solve the issue.
Modern key fobs are equipped with sensors that can detect when they've been pressed. This is because they lower the possibility of someone taking your vehicle. If the buttons on your key fob don't respond when pressed, they are worn out and need to be replaced.
The circuit board that is in the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, as well commands to start the engine. If the circuit board within your vehicle 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 more than normal to make them function, then your fob's buttons are wearing out. The fob may also stop sending an alert to your vehicle or have a shorter range.
If you're unable unlock your key fob, unlock or start your car, it's important to find a locksmith near you immediately. They can tell if the key fob is damaged or your ignition cylinder is worn out.
Fortunately, the majority of car keyfob issues aren't very complicated or even serious. The best way to avoid getting taken by surprise by an unresponsive key fob is to have an extra key in your possession at all times. You'll never be caught in the middle due to a malfunctioning or lost key. If you have lost 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 has occurred on your key fob.
Broken Case
The case of your key fob does more than just protect the buttons and battery. The case also houses the circuitry that executes all the electrical magic every time you press a key fob button. The circuit board receives the signal from your key fob and sends it to your car.
Your key fob won't work if this board is damaged. Sometimes, a key fob that is dead will just need to be reset which is something that your local auto locksmith or dealership can help you with.
Batteries could be the cause the key fob's not working. This is a quick fix that can be accomplished at home by replacing the battery. You can get the replacement battery from the local auto parts store or on the internet. These batteries are not only intended for key fobs.
Depending on the type of key fob you have, there are different ways to open it up and access the insides. You can find out what kind of battery your key fob uses by doing a quick online search. You can then buy a new one, take the old one out, and put the new one in.
The biggest concern when repairing an old car key fob is that you don't want to damage the circuit board or buttons further. When you try to break the key fob using a sharp edge, such as a screwdriver can damage the case or even scratch the plastic. Fortunately, a replacement case isn't expensive and you can buy the entire fob and the electronics from eBay or Amazon for less than $40.
If your key fob doesn't work, you should check if you have damaged the circuit board or the batteries. If this is not the case, you can have it repaired quickly and inexpensively by a professional. If not, it could be time to replace the fob. Be sure to check the warranty of any replacement or used fobs that you purchase on the internet.