How to Repair Car Key Fobs
Although we use them numerous times keys aren't impervious to destruction. In fact, they can break down in many different ways.
While the most common issue is the battery being dead however, other issues could be more serious. Luckily, most of them can be resolved with a quick DIY fix at home.
Dead Battery
A dead battery is the most common cause of the key fob not functioning. Fob batteries are prone to draining quickly, especially if they're exposed to extreme temperatures, humidity, or water. It's a good idea keep an extra fob battery in your wallet in case.
It is easy to tell when the battery in your car key fob is dying because the light on the LED will stop glowing. The key fob could be unable to function from the same distance it used to. In this scenario, it may be necessary to re-program your key fob or replace it altogether.
Fortunately replacing a car key fob battery is a simple task. First, determine what kind of battery is used. The type of battery should be engraved on the side of the fob. Google can help when you're not sure. Once you've found the battery type, open the key fob at the seam. Make use of a flathead screwdriver or even your fingernail, to separate the two halves. Take the old battery out, and replace it with a new one. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers might not be aware that their fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. This can be corrected by reprogramming the fob. However, it can be costly and time-consuming. You can also contact roadside assistance to see if they are able to restart your vehicle and get it back on the road.
If you've tried all the options and your car still doesn't start, it's time to contact an expert. A certified technician can determine the computer in your car needs changing its programming, or if the fob simply needs a new battery. They can also recommend an auto shop that will replace the key fob. Sometimes an entirely new fob may be the best option.
Circuit Board Damage
A key fob can take a lot of physical abuse and is not impervious to destruction. The circuit board, battery and buttons are all subject to wear and tear. It is crucial to take care of these parts to ensure your key fob remains in good working order.
The most straightforward thing to do is to make sure the battery in your key fob isn't dead. If it is, replace the battery and determine if this fixes the problem. If this does not work, you may need to open the fob and clean its contact surfaces. This can be tricky since some key fobs don't have a release mechanism that is easy to open them up and you could end up damaging your key fob if attempt to break it. You can purchase a specific tool to open your key fob. However, you must follow the directions of the manufacturer to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board in the key fob. This could be due to various factors, including moisture or dirt getting into the battery compartment. Software issues or an accidental firmware update can be the cause for this. If your key fob isn't working completely, think about having it reprogrammed with locksmiths who specialize in this type of work.
Radio interference is also a possibility. This could happen if there are other wireless devices transmitting at the same frequency as your key fob, such radar detectors or home security systems. If this is the case, inquire with the other manufacturers of your device to make sure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob is equipped with an unreliable switch or electrical component that must be replaced. This is a harder fix however, you can find guides online that explain how to do it yourself. Be careful to be careful, however, since the circuit board that is inside your key fob is small and can easily break if handled with care. If you decide to do this yourself, make sure to use a high quality SMT switch and then solder it to the correct place.
Buttons that are worn out
Car key fobs can suffer lots of wear and wear and tear. They are prone to getting dropped and spend a lot time in your pocket or purse. Sometimes, this jostling can cause buttons to wear out or stuck. In this case an easy adjustment could be all that's needed to make it work again.
Modern key fobs are equipped with sensors that can detect when they've been press. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob aren't responding when pushed it's a sign that they're worn out and need to be replaced.
Key fobs also have an electronic circuit inside that transmits signals to the car. These signals include commands to unlock and lock your car, and instructions to start the engine. If the circuit board inside your vehicle is damaged, the key fob you have may not be able to unlock your vehicle or even start the engine. Generally, this kind of damage is caused by water, blunt force, or something scratching the circuit board.
You'll notice that the buttons on your key fob are wearing out if you find yourself pressing more than usual to get them to work. The fob may not be sending signals to your car or have a lower range.
Contact a locksmith immediately if you are unable to use your key fob to start your vehicle. They can determine if the key fob is damaged or the cylinder of your ignition is worn out.
Fortunately, most key fobs for cars problems aren't too difficult or serious. The best way to avoid being caught off guard 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 because of an unresponsive or lost key. Of course, if you do happen to lose your car key spare, a locksmith can help change the key to ensure it is compatible with your car's ignition. They can also fix any internal damage to the key fob.
Broken Case
The case of the key fob is more than protect the buttons and batteries. The case also houses the circuitry that executes all the electrical magic when you press a key fob button. The circuit board receives the signal from your key fob and sends it to your car.
If the board is damaged or dead the key fob won't be able to function. Sometimes, a dead key fob can be reprogrammed which is something your local auto locksmith or the dealership can help you with.
Another reason why your key fob might not be working is because the batteries are not working. please click the next post is a quick solution that can be done at home by replacing the battery. The positive side is that you can locate an alternative battery on the internet or at your local auto parts store since these batteries are not exclusive to key fobs.
Depending on the kind of key fob, there are various ways to open it up and get inside. You can determine what type of battery your key fob has by doing a quick online search. From there, you can purchase an alternative and then simply pop the old one out, and then the new one in.
When fixing a damaged key fob, the main goal is not to harm the circuit or buttons in any way. If you try to pry apart the key fob using the screwdriver or another sharp edge, it can crack the plastic or break the case. A replacement case isn't expensive and you can purchase the entire fob including the electronics on eBay or Amazon for less than $40.
If your key fob does not work, you should check if you have damaged the circuit board or 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. Be sure to look for a warranty on any used or replacement fobs that you purchase online.