How to Repair Car Key Fobs
Even though we test them many a times, key fobs are not indestructible. They can break down in various ways.
Other issues could be more important than the battery being dead. Fortunately, many of them can be resolved by a simple DIY fix at home.
Dead Battery
A dead battery is likely the most frequent reason the car key fob stop working. Fob batteries can be drained quickly, especially if they're exposed to extreme temperatures, humidity, or water. It's a good idea to keep an additional fob battery in your wallet in case.
You can usually tell that the battery of your car key fob is dying because the LED light will cease to glow. The fob might also stop working from the same distance it used to. In this case, it may be necessary to re-program the key fob or even replace it entirely.
Fortunately replacing the car key fob battery is simple. First, you need to determine the kind of battery is used. The type of battery should be engraved on the side of the fob. If you are not sure it is, a quick Google search can help. Once you've identified the kind of battery you want you want to use, open the key fob near the seam. Utilize a flathead screwdriver or even your fingernail to break the two halves. Then, remove the old battery and insert a new one in its place. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.
Some drivers don't realize that their fob is dead until they lock or unlock their vehicle and the buttons no longer work. This can be corrected by reprogramming your fob. However, it can be costly and time-consuming. You can also call roadside assistance to determine whether they are able to restart your car and get it back on the road.
If you've tried all three of these methods and your car is still unable to start then it's time to call an expert. A certified technician can determine if the car's computer system needs to be reprogrammed or the fob simply requires a new battery. They can also recommend an auto repair shop that can replace your key fob. Sometimes an entirely new fob could be the best option.
Damaged Circuit Board
A key fob is able to withstand some physical abuse and isn't indestructible. The battery, circuit board and buttons are all subject to wear and tear. It is crucial to take care of these components to keep your key fob in good condition.
Make sure that the battery still functioning on your key fob. Replace the battery to see if it fixes the issue. If this does not work, you might need to open the fob and clean the contact surfaces. It can be difficult to open certain key fobs because they do not have an easy-release mechanism. You may harm your fob by trying force 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.
Another common problem is a damaged or faulty circuit board inside the key fob. This can be caused by many things, including dirt or moisture entering the battery compartment. Issues with software or an accidental firmware update can also cause this. If your key fob has stopped working completely, think about having it reprogrammed with an expert locksmith who specializes in this kind of work.
Radio interference is a different possibility. This can happen if there are other wireless devices transmitting at the same frequency as your key fob, such radar detectors, home security systems. If this is the case, inquire with the other device manufacturers to ensure that your key fob's signal isn't affected by their signals.
www.g28carkeys.co.uk 's also possible that your key fob is equipped with an issue with the switch or another electrical component that should be replaced. You can find online guides that help you fix this yourself. Be careful when doing this, however, because the circuit board inside your key fob is very small and can easily break if handled roughly. If you're doing it yourself, be sure to make use of an SMT switch of good quality and put the switch in the correct position.
Out Buttons Out Buttons
Car key fobs can get lots of wear and tear. They are susceptible to being dropped and spend a lot time being tossed around in your pocket or purse. The jolting can cause buttons to wear out or get stuck. When this happens it's possible that a simple adjustment will be all that's needed to restore the button's functionality.
Most modern key fobs come with sensors on them that can detect when they've been used. This is due to the fact that they decrease the chances of someone stealing your vehicle. If your key fob's buttons don't respond when pushed, that's an indication that they're worn out and need to be replaced.
Key fobs also contain a circuit board inside them that transmits signals to the car. These signals include commands to unlock and lock your car, as well as instructions to start the engine. If the circuit board inside is damaged, then your key fob may not allow you 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 have to press the buttons more than usual to get them to function, then your key fob buttons are wearing out. In addition the fob might cease transmitting signals to the car, or have a lower range than it did before.
If you're not able to unlock your key fob, unlock or start your car, you need to call a locksmith near you immediately. They can determine if your key fob is damaged, or if your ignition cylinder is worn out.
Fortunately, most key fobs for cars issues aren't very complicated or even serious. The best way to avoid getting taken by surprise by an unresponsive key fob is to keep an extra key in your possession at all times. You'll never be caught in the middle due to an unresponsive or lost key. Of course, if you do lose your spare car key A locksmith can rekey it so that it works with the ignition of your car. They'll also be able fix any internal damage that's occurred on the key fob.
Broken Case
A key fob's case provides more than just protection for the battery and buttons. It also houses the circuit board responsible for all the electrical magic when you press a button on your key fob. This board receives the signal from your key fob and transmits it to your car.
The key fob won't function if the board is damaged. A dead key fob might require reprogramming by your local auto locksmith or dealer.
Batteries may be the cause of your key fob not working. The battery can be replaced at home. The good thing is that you can find a replacement battery online or at your local auto parts store since the batteries aren't limited to key fobs.
Depending on the type of key fob, there is different ways to open it and get inside. A quick search on the internet will identify the type of key fob you have and what kind of battery it uses. You can then purchase a new replacement and pop the old one out and put 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 fob using a sharp edge, such as a screwdriver could damage the case or even damage the plastic. A replacement case is inexpensive and you can purchase an entire fob, including the electronic components on eBay or Amazon for less than $40.
So, if your key fob isn't working Check to see if the batteries are dead or whether the circuit board is damaged. If this isn't the situation, a professional could repair it for you quickly and cheaply. If not, it could be time to replace the fob. Make sure you check the warranty of any replacement or used fobs that you purchase on the internet.