How to Repair Car Key Fobs
Although we test them many a times keys are not impervious to destruction. In fact, they can break down in a variety of ways.
Other issues can be more grave than a dead battery. Fortunately, the majority of them can be resolved with a quick DIY fix at home.
Dead Battery
A dead battery is the main cause of the key fob not functioning. Fob batteries can be drained quickly, especially when they're exposed to extreme temperatures, humidity or water. It is a good idea to keep an additional fob battery in your wallet in case.
The LED light will generally stop blinking when the battery in your car key fob is low. It's also possible that your key fob won't work at the same distance it used to. In this instance it might be necessary to re-program the key fob or replace it altogether.
It is simple to replace the car keyfob battery. First, find out what kind of battery is used. The type should be engraved on the side of the fob. Google can help if you're not sure. Once you have found the kind of battery you want you want to use, open the key fob at the junction. You will need to use an small screwdriver with a flat head or even your fingernail pry the two halves apart. Take the old battery out, 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 has died until they lock or unlock their vehicle and the buttons don't work anymore. This can be corrected by reprogramming the fob. However, it can be costly and time-consuming. You can also call roadside assistance to determine whether they can restart your car and get it back on the road.
If you've tried every solution and your car still doesn't turn on, it's time to contact a professional. A trained technician will be able to determine if your car's computer system needs to be reprogrammed or the fob simply requires an upgrade in battery. They will also suggest a reputable auto shop to replace your key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Circuit Board Damage
A key fob can take some physical abuse and is not indestructible. The battery, the circuit board and buttons will all experience their fair share of wear and tear over the course of time and it's crucial to be aware and take care of them in order to keep your car key fob working efficiently.
Check that the battery is still functioning on your key fob. Replace the battery to determine if it resolves your issue. If this doesn't work, you might need to open the fob and clean the contact surfaces. It is sometimes difficult to open certain key fobs since they do not have an easy-release mechanism. You could harm your fob by trying take it apart. broken key repair can purchase a special tool to open your key fob, but you must always follow the manufacturer's instructions to avoid damaging it.
Another problem that is frequently encountered is a damaged or damaged circuit board on the key fob. This can be caused by many things, including moisture or dirt getting into the battery compartment. Issues with software or an accidental firmware update can be the cause for this. If your key fob isn't working, you may think about getting it reprogrammed. This can be done by a locksmith that specializes in this type of work.
Radio interference is also a possibility. This can happen if there are other wireless devices transmitting on the same frequency your key fob, for instance radar detectors, home security systems. If this is the case, inquire with the other manufacturers of your device to make sure that your key fob isn't affected by their signals.
It is also possible to replace a switch or other electrical component inside your key fob. You can find online guides that guide you through the process of fixing this yourself. You should be careful to be careful, however, since the circuit board inside your key fob is small and could easily break when handled rough. If you decide to do this yourself, make sure to use a high quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs can suffer lots of wear and wear and tear. They are more prone to being lost and spend a significant amount of time in your pocket or purse. The jolting can cause the buttons to wear out or get stuck. If this happens, a simple adjustment may be all that's needed to make it work again.
Modern key fobs are fitted with sensors that are able to detect when they have been pressed. They're designed to do this because they can help decrease the chance of someone stealing your car. 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 transmits signals to your car. These signals include unlock and lock commands, as well as instructions to start your engine. If the circuit board inside is damaged, then your key fob might not unlock or start your engine. This kind of damage is usually caused by water or blunt force.
You'll notice that the buttons on your key fob are deteriorating when you press the buttons more than usual to get them to work. Additionally the fob might stop sending a signal to the car or it'll have less range than before.
If you're unable to get your key fob to unlock or start your car, it's important to call a locksmith near you immediately. They'll be able determine whether the key fob is damaged or the ignition cylinder has worn down.
Fortunately, most key fobs for cars problems aren't complicated or serious. The best way to avoid getting caught off guard by an unresponsive key fob is to have an extra in your pocket at all times. You'll never be stranded due to a malfunctioning or lost key. Of course, if you do happen to lose your spare car key, a locksmith can help rekey it so that it works with the ignition in your car. They can also fix any internal damage to your key fob.
Broken Case
The case for your key fob does more than just protect the buttons and battery. The case also houses the circuitry that executes all the electrical magic when you press the button on your key fob. The circuit board receives the signal from your key fob and transmits it to your car.
If this board is damaged or dead the key fob won't be able to operate. A dead key fob might require reprogramming by a local auto locksmith, or dealer.
Batteries may be the cause of your key fob not working. This is a quick fix that you can do at home by replacing the battery. You can purchase a replacement battery at the local auto parts store or online. These batteries aren't just for key fobs.
There are many ways to open a key fob and get inside, based on the kind. A quick search online should identify the type of key fob you have and the type of battery it takes. From there, you can buy the replacement and simply take the old one out, and then the new one in.
When repairing a broken key fob, the most important concern is not to damage the circuit or buttons more. If you attempt to remove the key fob using a hard edge like a screwdriver can damage the case or even crack the plastic. A replacement case is inexpensive and you can find a complete fob assembly including the electronics on eBay or Amazon for under $40.
If your key fob won't work, you should check if you have damaged the circuit board or the batteries. If this isn't the situation, you can get it repaired quickly and inexpensively by a professional. If not, it could be time to replace the fob. Make sure you check the warranty on any fob replacement or used that you purchase on the internet.