How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them a lot. In fact, they could break down in many different ways.
The most frequent issue is an unresponsive battery, other issues can be more grave. Fortunately, many of them can be resolved by making a quick DIY fix at home.
Dead Battery
A dead battery is the main reason for the key fob not functioning. Fob batteries are known to drain quickly, especially if they are exposed or humid temperatures, or water. It's a good idea keep an extra fob battery in your wallet in case.
You can usually tell when your car key fob's battery is depleted because the light on the LED will cease to glow. The fob may also stop working from the same distance it used to. In this case it could be necessary to reprogram the key fob or replace it altogether.
Fortunately the replacement of the car key fob battery is a simple task. Find out the kind of battery used. The type of battery should be engraved on the side of the fob. If you're not sure it is, an easy Google search will be helpful. Unlock the key fob along the seam after you have identified the battery type. Make use of a flathead screwdriver or your fingernail to pry apart the two halves. Then, take out the old battery and put the new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers aren't aware that their fob has gone out of service until they lock or unlock their vehicle and the buttons no longer work. This can be fixed by reprogramming your fob. However, it can be costly and time-consuming. You can also call roadside assistance to see whether they can restart your car and get it back on the road.
If you have tried all of these options but your car won't start and you're not sure why, it's time to call an expert. A qualified technician can determine if your car's computer needs reprogramming, or if the fob simply needs an upgrade in battery. They will also suggest a reputable auto shop to replace your key fob. Sometimes it is possible that a new fob might be the best solution.
Circuit Board Damage
Key fobs aren't indestructible, but it is able to endure a lot of physical harm. The battery, circuit board, and buttons all get their fair amount of wear and tear over time and it's crucial to be on guard and take care of them to ensure that your car key fob working well.
Make sure that the battery still functioning in your key fob. Replace the battery to see if it fixes your issue. If this does not work, you might need to open the fob and clean its contact surfaces. It isn't easy to open certain key fobs because they do not have an easy-release mechanism. You can cause damage to your fob by trying force 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 faulty circuit board on the key fob. This can be caused by many things like moisture or dirt that gets into the battery compartment software problems, or even an accidental firmware update. If your key fob has stopped working completely, you should think about having it reprogrammed by a locksmith that specializes in this kind of work.
Radio interference is a different possibility. This can occur when you have other wireless devices that transmit at the same frequency, such as radar detectors or home security systems. If this is the case, you should inquire with the other manufacturers of the device to make sure that your key fob's signal isn't affected by their signals.
There may be a need to replace a switch or another electrical component inside your key fob. This is a harder fix, but you can find online guides that will show you how to do it yourself. You should be careful to be careful, however, since the circuit board inside your key fob is very small and is prone to breaking when handled rough. If you do this yourself, make certain to use a top quality SMT switch and solder it to the correct place.
Buttons that are worn out
Car key fobs are susceptible to a lot wear and tear. They are prone to being dropped, and they often spend a lot of time being tossed around in your pocket or purse. Sometimes, this jolting can cause the buttons to wear out or snagged. A simple adjustment can fix the problem.
Most modern key fobs come with sensors on them that can detect if they've been pressed. They're designed to do this to reduce the likelihood of someone stealing your car. If your key fob's buttons aren't responding when pushed, that's an indication that they're worn out and require to be replaced.
Key fobs also contain an electronic circuit inside that transmits signals to the car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If your internal circuit board is damaged, the key fob you have may not allow you to unlock your car or even start the engine. This kind of damage is typically caused by water or blunt force.
If you're forced to press the buttons more than usual to activate them the key fob's buttons are getting worn out. key repair may be unable to send signals to your car or have a lower range.
Contact a locksmith immediately when you're not able to use your key fob for your car. They'll be able determine whether the key fob itself is damaged or if your ignition cylinder has worn down.
Fortunately, the majority of car keyfob problems aren't complicated or serious. The best way to avoid being caught off guard by an issue with your key fob is to keep a spare in your possession at all times. You won't be left stranded 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 car's engine. They'll also be able to fix any internal damage that's been caused to your key fob.
Broken Case
A key fob's case does more than just protect the battery and buttons. It also houses the circuit board that is responsible for performing all the electrical magic when you hit a button on your key fob. The circuit board receives the signal from your key fob, and then transmits it to your car.
The key fob won't work if the board is damaged. Sometimes, a dead key fob can be reprogrammed, which is something your local auto locksmith or the dealership can assist you with.
Another reason your key fob might not be working is that the batteries are not working. This is a quick fix that you can do at home by replacing the battery. You can get an alternative battery at your local auto parts shop or on the internet. These batteries aren't just for key fobs.
Depending on the type of key fob you have, there are different ways to open it and access the insides. You can determine the kind of battery your key fob has by doing a quick online search. You can then purchase a new replacement and pop the old one out, and then put the new one into.
The biggest concern when repairing an old car key fob is that you don't want to harm the circuit board or buttons further. If you try to pry away the key fob with the screwdriver or another sharp edge, it can crack the plastic or break the case. Luckily, 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 won't work, check if you have damaged the circuit board or the batteries. If this isn't the situation, a professional could fix it quickly and inexpensively. If not, it may be time to replace the fob. Make sure you check the warranty of any fob replacement or used purchased online.