How to Repair Car Key Fobs

Key fobs are susceptible to damage even if we use them a lot. In fact, they can be destroyed in a variety of ways.

While the most common problem is the battery being dead but other issues can be more serious. Fortunately, many of these issues can be solved with a quick DIY fix at home.

Dead Battery

A dead battery is the most common reason for a key fob not working. Fob batteries drain quickly, particularly if they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you require it.

The LED light will usually stop glowing when the battery in your car key fob is running low. The key fob could be unable to function from the same distance it used to. In this case, the key fob may need to be reprogrammed or replaced altogether.

Fortunately replacing the battery in a car key fob is simple. Find out the kind of battery used. The type of battery you are using should be embossed in the back of your key fob. Google can help when you're not sure. Open the key fob across the seam after you've identified the type of battery. You will need to use an small screwdriver with a flat head or even your fingernail split the two halves. Take the old battery out, and replace it with a new one. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.

Some drivers might not be aware that their fob is dead until they try to lock or unlock their car and the buttons don't respond. In some instances this problem can be resolved by reprogramming the 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 both solutions and your vehicle still won't start, it's time to speak with an expert. A certified technician can determine if your car's computer needs reconfiguring, or if your key fob only requires an upgrade in battery. They may also recommend an auto shop to replace the key fob. In the end, though, sometimes a brand 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. The circuit board, battery and buttons are all susceptible to wear and tear. It is important to take care of these components to keep your key fob in good working order.

The most straightforward thing to do is to make sure the battery in your key fob isn't dead. Replace the battery to determine if it resolves your problem. If not, you might need to open the key fob and clean the contact surfaces. This can be a challenge because some key fobs don't have easy-release mechanisms to open them, and you can easily end up damaging your key fob if try to force it apart. You can buy a special tool to open your key fob, but you should always follow the instructions of the manufacturer to avoid damaging it.

Another common problem is a damaged or faulty circuit board in the key fob. This can be due to various factors like dirt or moisture getting into the battery compartment software problems or even an unintentional firmware update. If your key fob has stopped functioning completely, you should think about having it reprogrammed with locksmiths who specialize in this type of work.

Radio interference is also a possibility. This can happen if there are other wireless devices that transmit on the same frequency your key fob, like a radar detectors and home security systems. If this is the case, inquire with the other manufacturers of your device to ensure 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 in your key fob. You can find online guides that guide you through the process of fixing this yourself. It is important to be cautious when doing this it is important to be careful, since the circuit boards that are inside your key fob are tiny and are susceptible to breaking if they are handled roughly. If you're doing it yourself, make sure to make use of an SMT switch of good quality and solder the switch in place correctly.

Out Buttons Out Buttons

Car key fobs can get lots of wear and wear and tear. They are prone to being dropped and are frequently moving around in your pocket or purse. Sometimes, this jolting can cause buttons to wear out or become stuck. If this happens an easy adjustment could be all that's needed to get it working again.

Most modern key fobs come with sensors on them that detect if they've been pressed. This is because they lower the possibility of someone taking your vehicle. If your key fob's buttons don't respond when pushed, that's an indication that they're worn out and require to be replaced.

The circuit board that is in the Key Repair Car fob also sends signals to your car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If the circuit board inside your vehicle is damaged, your key fob may not 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 deteriorating when you press the buttons more than usual in order to get them working. Additionally your fob could cease transmitting signals to the car or have less range than before.

Contact a locksmith right away when you're not able to use the key fob for your vehicle. They'll be able determine whether the key fob itself is damaged or your ignition cylinder has worn out.

Fortunately, the majority of car key fob problems aren't a major or difficult issue. Keep an extra 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 lose your spare key repair an expert locksmith can rekey it to work with your vehicle's engine. They can also fix any internal damage to the key fob.

Broken Case

The case of the key fob does more than just shield the batteries and buttons. It also houses the circuit board responsible for doing all of the electrical magic when you press the button on your key fob. The circuit board relays the signal from your keyfob to your car.

Your key fob will not work if the board is damaged. A dead key fob may only need to be reprogrammed by your local auto locksmith, or dealer.

Another reason your key fob might not be functioning is that the batteries are not working. This is a quick fix that can be accomplished at home by replacing the battery. The good thing is that you can find the replacement battery online or at your local auto parts shop since these batteries aren't exclusive to key fobs.

There are several ways to open up a key fob and get inside it, depending on the type. You can determine the type of battery your key fob is using by conducting a quick internet search. From there, you can buy a replacement and easily pop the old one out, and then the new one in.

If you are repairing a damaged key fob, the most important goal is not to harm the circuit or key repair car buttons in any way. If you attempt to pry apart the key fob using a screwdriver or other hard edge, it could break the plastic or break the case. Luckily, a replacement case isn't expensive and you can buy an entire fob with the electronics on eBay or Amazon for less than $40.

So, if your key fob isn't functioning look into whether the batteries are dead or whether the circuit board has been damaged. If this isn't the situation, a professional could fix it quickly and cheaply. If not, it might be time to replace the fob. Make sure you check the warranty on any fob replacement or used that you purchase on the internet.