How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them frequently. They can be destroyed in various ways.
While the most common problem is the battery being dead, other issues can be more serious. Many of problems can be fixed with a quick fix at home.
Dead Battery
A dead battery is likely the most common reason the car key fob stop working. Fob batteries are known to drain quickly, especially when they are exposed to extreme heat or humid temperatures or water. Keep an extra battery in your wallet in case you need it.
The LED light will typically cease to blink when the battery in the car key fob is running low. It is also possible that the fob won't function from the same distance it did in the past. In this scenario it could be necessary to re-program your key fob or even replace it entirely.
Fortunately the replacement of a car key fob battery is simple. Find out the kind of battery 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 battery type, open the key fob at the seam. You'll need a small flathead screwdriver or your fingernail to pry the two halves apart. Take the old battery out, and replace it with a new one. Make sure to insert the new battery with the positive (+) side facing towards the buttons on the fob.
Some drivers may not be aware the fob is dead until they try to lock or unlock their vehicle and the buttons don't respond. This can be corrected by reprogramming your fob. However it could be costly and time-consuming. key car repair can also contact roadside assistance to see whether they can restart your vehicle and get it back on the road.
If you've tried both solutions and your vehicle still won't start, it's time to contact a professional. A trained technician will be able to determine if the 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 fob's keys. Sometimes it is possible that a new fob might be the best option.
Damaged Circuit Board
The key fob isn't indestructible, but it is able to withstand a lot of physical damage. The circuit board, battery and buttons are all susceptible to wear and tear. It is important to take care of these parts to ensure that your key fob is in good working order.
The easiest way to test is that the battery in your key fob isn't dead. Replace the battery to see if it solves your issue. If this doesn't work, you might need to open the fob and clean its contact surfaces. This can be a challenge since some key fobs do not have a release mechanism that is easy to unlock them, and you can easily damage your fob if you try to pull it apart. You can purchase a special tool to open your key fob, but you must always follow the instructions of the manufacturer to avoid damaging it.
Another issue that is common is a damaged or damaged circuit board in the key fob. It can be caused by numerous factors, such as moisture or dirt getting into the battery compartment. Software issues or even an accident firmware update could also cause this. If your key fob has stopped working, you may want to consider having it reprogrammed. This can be accomplished by a locksmith who specializes in this work.
Radio interference is another possible cause. This can occur in the event that you have other wireless devices around that transmit on the same frequency, for example, radar detectors or home security systems. If this is the case, inquire with the other manufacturers of your device to ensure that your key fob isn't affected by their signals.
It's also possible that your key fob is equipped with an issue with the switch or another electrical component that must be replaced. This is a more difficult fix, but you can find guides online that explain how to fix it yourself. Be cautious when doing this, though it is important to be careful, since the circuit boards inside the key fob are tiny and are susceptible to breaking in the event of rough handling. If you're doing this yourself, be certain to use a top quality SMT switch and solder it in place correctly.
Out Buttons Out Buttons
Car key fobs are prone to a lot of wear and tear. They're susceptible to being dropped, and they often are frequently jostled around in your pocket or purse. The jolting can cause buttons to wear out or become stuck. In this case, a simple adjustment may be all that's needed to restore the button's functionality.
The majority of modern key fobs have sensors on them that can detect if they've been pressed. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob don't work when pressed, they are worn out and should be replaced.
Key fobs also contain an internal circuit board that sends signals to the car. These signals include commands to unlock and lock and also instructions to start your engine. If the circuit board inside is damaged, 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 scratching the circuit board.
If you're forced to press the buttons more than normal to make them function If this is the case, then your key fob buttons are becoming worn out. Additionally the fob might stop sending a signal to the car or have a lower range than it did before.
If you're unable unlock your key fob, unlock or start your car, it's important to contact a locksmith in your area immediately. They'll be able to tell whether the key fob is damaged or your ignition cylinder has worn down.
Fortunately, the majority of key fob issues in cars aren't too serious or complex. The best way to ensure you don't get surprised by a malfunctioning key fob is to keep an extra in your pocket at all times. You won't be left stranded because of a malfunctioning or lost key. Of course, if you do happen to lose your spare car key, a locksmith will be able to rekey it to work with your car's ignition. They'll also be able fix any internal damage that's occurred on the key fob.
Broken Case
The case of the key fob does more than protect the batteries and buttons. It also houses the circuit board that is responsible for doing all of the electrical magic when you hit a button on your key fob. This board takes the signal from your key fob, and then transmits it to your car.
The key fob won't work if the board is damaged. A dead key fob might only need to be reprogrammed by a local auto locksmith or dealer.
Batteries could be the cause the key fob's not working. The battery can be replaced at your home. The good thing is that you can find an alternative battery on the internet or at a local auto parts store since the batteries aren't limited to key fobs.
Depending on the type of key fob, there are various ways to open it and access the insides. You can determine what kind of battery your key fob is using by conducting a quick online search. From there, you can buy the replacement and simply take the old one out, and then the new one in.
When fixing a damaged key fob, the primary concern is not to destroy the circuit or buttons further. If you attempt to remove the key fob using an edge that is sharp like a screwdriver can cause damage to the case or crack the plastic. Fortunately, a replacement for the case is inexpensive and you can purchase a whole fob assembly with the electronics on eBay or Amazon for less than $40.
So, if your key fob isn't working, check to see if the batteries are depleted or whether the circuit board has been damaged. If this isn't the situation, you can get it repaired quickly and easily by a professional. If not, it may be time to replace the fob. Make sure you check the warranty on any replacement or used fobs that you purchase on the internet.