How to Repair Car Key Fobs
Even though we use them numerous times keys are not impervious to destruction. They are able to be destroyed in a variety of ways.
While the most common problem is an unresponsive battery, other issues can be much more serious. Luckily, most of these issues can be solved by making a quick DIY fix at home.
Dead Battery
A dead battery is probably the most frequent reason the car key fob stop functioning. Fob batteries are known to drain quickly, especially when they are exposed or cold temperatures, humidity or water. Keep an extra battery in your wallet in case you require it.
The LED light will generally stop blinking when the battery in the car key fob is low. It's also possible that the fob won't work at the same distance it used to. In this instance, it may be necessary to reprogram the key fob or even replace it entirely.
Fortunately, replacing a car key fob battery is a simple task. Find out the type of battery that is used. The type of battery should be stamped on the back of your key fob. mobile car key repair can help in case you're unsure. The key fob can be opened along the seam once you have identified the battery type. You will need to use small flathead screwdrivers or even your fingernail split the two halves. Remove the old battery, and replace it with a new one. Make sure to insert the new battery with the positive (+) side facing up toward the buttons in the fob.
Some drivers may not realize the fob is dead until they attempt to lock or unlock their vehicle and the buttons do not respond. In some cases this problem can be resolved by reprogramming your fob, but that can be costly and time-consuming. Another option is to call roadside assistance and ask them to jump your car and get you back on the road.
If you've tried all the options and your vehicle still won't start, it's time to contact an expert. A qualified technician can determine if your car's computer needs changing its programming, or if the fob is only in need of replacement batteries. They will also suggest a reputable auto shop to replace your key fob. In the end it is not always the case that a new fob is the best solution.
Circuit Board Damage
The key fob isn't impervious to destruction, but it can be able to withstand a variety of physical damage. Battery, circuit board and buttons are all susceptible to wear and tear. It is important 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 then replace the battery and check if it fixes your problem. If this doesn't work, you may have to open the fob and clean the contact surfaces. This can be a challenge since some key fobs do not have easy-release mechanisms to unlock them and you could harm your device if you try to pull it apart. You can purchase a special tool to open your key fob, however you should always adhere to the manufacturer's guidelines to avoid damaging it.
Another problem that is frequently encountered is a damaged or faulty circuit board in the key fob. This could be due to many things, including dirt or moisture entering the battery compartment. Software issues or an unintentional firmware update may be the cause of this. If your key fob has stopped working, you may want to consider having it reprogrammed. This can be done by a locksmith that specializes in this kind of work.
Radio interference is a different possibility. This could happen when you have other wireless devices that transmit at the same frequency, such as radar detectors or home security systems. If this is the situation you must get in touch with the manufacturer of the other device to make sure that your key fob won't be affected by their signals.
It's also possible that your key fob has an issue with the switch or another electrical component that must be replaced. There are online guides that show you how to fix this yourself. Be cautious when doing this, however, because the circuit board inside your key fob is small and can easily break when handled rough. If you do this yourself, be certain to use a top quality SMT switch and then solder it to the correct place.
Worn Out Buttons
Car key fobs are subject to a lot wear and wear and tear. They are prone to getting lost and spend a significant amount of time being tossed around in your pocket or purse. The constant jostling can cause buttons to wear out or become stuck. A simple adjustment can fix the issue.
Modern key fobs are equipped with sensors that can detect when they've been hit. They're designed to detect 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 it's a sign that they're worn out and need to be replaced.
Key fobs also contain an electronic circuit inside that sends signals to the car. These signals include commands to unlock and lock your car, as well commands to start the engine. If the circuit board inside your vehicle is damaged, your key fob may not be able to unlock your vehicle or even start the engine. This kind of damage is typically caused by water or blunt force.
You'll notice that the buttons on your key fob are wearing down If you're finding yourself pressing the buttons more than usual to get them to work. Your fob could be unable to send an alert to your car or have a smaller range.
Contact a locksmith immediately in the event that you are unable to use your key fob to start your car. They can tell if the key fob is damaged or if your ignition cylinder is worn out.
Fortunately, most car keyfob problems aren't complicated or serious. Keep a spare key fob in your car always in case you end up being shocked by a malfunctioning key. This will ensure that you're never stuck in a bind because of the loss or malfunction of your key. If you do happen to lose your spare car key, a locksmith can help reset it so that it works with the ignition in your car. They'll also be able to repair any internal damage that has occurred to your key fob.
Broken Case
A key fob's case is more than just a place to store the battery 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 sends it to your car.
If this board is damaged or dead the key fob won't be able to operate. A key fob that is dead may require reprogramming by your local auto locksmith or dealership.
Another reason your key fob may not be working is because the batteries are dying. This is a simple fix that you can do at home by replacing the battery. You can purchase the replacement battery from your local auto parts shop or on the internet. These batteries aren't only intended for key fobs.
There are several ways to open up a key fob to get inside it, depending on the kind. A quick internet search should show you which type of key fob yours is and what kind of battery it uses. You can then buy a new one, take the old one out and put the new one in.
If you are repairing a damaged key fob, the primary goal is not to harm the circuit or buttons further. If you try to pry apart the key fob using a screwdriver or other hard edge, it could break the plastic or damage the case. A replacement case is inexpensive and you can buy the entire fob including the electronic components on eBay or Amazon for under $40.
If your key fob does not function, make sure you have damaged the circuit board or batteries. If this isn't the case, you can have it repaired quickly and inexpensively by an expert. If not, it could be the time to purchase an upgrade. Make sure you check for a warranty on any used or replacement fobs you buy online.