How to Repair Car Key Fobs

Although we test them many a times keys aren't impervious to destruction. They can break down in a variety of ways.

While the most common problem is a dead battery but other issues can be much more serious. The majority of these issues can be resolved with a quick fix at home.

Dead Battery

A dead battery is probably the most common reason why a car key fob stops working. Fob batteries can be drained quickly, especially if they're exposed to extreme temperatures, humidity or water. It is a good idea to keep an additional fob battery in your wallet just in case.

It is easy to tell when the battery of your car key fob is running low because the light on the LED will stop glowing. The key fob could be unable to function from the same distance it was previously working to. In this scenario it could be necessary to re-program the key fob or even replace it entirely.

It is easy to replace a car keyfob battery. First, determine what type of battery is used. The type should be embossed on the back of the fob. If you're not sure it is, an easy Google search can help. The key fob can be opened across the seam after you've identified the type of battery. You'll need an small screwdriver with a flat head or even your fingernail split the two halves. Remove the old battery, and replace it with a brand new one. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.

Some drivers don't realize that their fob has died until they lock or unlock their vehicle and the buttons don't work anymore. This can be fixed by reprogramming the fob. However it can be costly and time-consuming. You can also call roadside assistance to see whether they are able to start your car 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 whether your car's computer system needs reprogramming or if the fob requires a new battery. They can also recommend a reliable auto shop to replace your fob's keys. Sometimes an entirely new fob could be the best option.

Circuit Board Damage

Key fobs aren't indestructible, but it can withstand a lot of physical harm. The battery, the circuit board and buttons will all experience their fair share of wear and tear with time It is therefore essential to be vigilant and take care of them in order to keep your car key fob functioning well.

Check that the battery is still functioning on your key fob. Replace the battery to determine if it resolves your issue. If not, you might require opening the key fob and clean the contact surfaces. This can be tricky because some key fobs don't have easy-release mechanisms that allow you to unlock them and you may damage your fob if you try to pull it apart. You can buy a special tool to open your key fob, however you should always follow the manufacturer's instructions to avoid damaging it.

A damaged or corrupted key circuit board for the fob is another frequent issue. This could be due to numerous factors, such as dirt or moisture entering the battery compartment. Software issues or even an unintentional firmware update may be the cause for this. If your key fob has stopped working completely, you should think about having it reprogrammed by locksmiths who specialize in this kind of work.

Radio interference is another possibility. It could happen when you have other wireless devices that transmit at the same frequency, like radar detectors or home security systems. If this is the situation you must contact the manufacturer of the other device to ensure that your key fob will not be 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 needs to be replaced. This is a more difficult fix however, you can find online guides that will show you how to do it yourself. Be careful when doing this, however, because the circuit board in your key fob is very small and is prone to breaking if handled roughly. If you're doing it yourself, be sure to use an SMT switch of good quality and solder the switch in place correctly.

In a state of wear Out Buttons

Car key fobs are subject to a lot wear and tear. They are susceptible to being dropped and spend a lot time being jostled in your purse or pocket. The jolting can cause the buttons to wear out or become stuck. In this case, a simple adjustment may be all that's needed to get it working again.

Modern key fobs are equipped with sensors that are able to detect when they've been hit. They're designed to detect this because they can help reduce the likelihood of thieves stealing your car key repair near me. If the buttons on your remote key repair fob aren't responding when you press them, they're worn out and should be replaced.

Key fobs also have a circuit board inside them that transmits signals to the car. The signals include unlock and lock commands, as well as commands to start your engine. If the circuit board inside your vehicle is damaged then the key fob you have may not unlock your vehicle or even start the engine. Most of the time, this kind of damage is caused by water, blunt force or a scratch on the circuit board.

You'll notice that the buttons on your key fob are wearing out if you find yourself pressing more than usual in order to get them working. The fob may also stop sending signals to your vehicle or have a shorter range.

If you're unable unlock your key fob, unlock or start your car, you need to contact a locksmith in your area immediately. They'll be able to determine whether the key fob is damaged or if your ignition cylinder is 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 at all times to avoid being surprised by a malfunctioning one. This will ensure that you're not trapped in a place due to a lost or malfunctioning key. If you do happen to lose your car key spare, a locksmith will be able to rekey it so that it works with your car's ignition. They'll also be able to fix any internal damage that has occurred on the key fob.

Broken Case

The case for your key fob is more than just a place to store 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 relays the signal from your key fob to your car.

If this board is damaged or dead the key fob won't be able to operate. A dead key fob might require reprogramming by a local auto locksmith or dealer.

Another reason your key fob may not be working is because the batteries are not working. The battery can be replaced at home. The good thing is that you can find the replacement battery online or at your local auto parts store, since these batteries are not exclusive to key fobs.

There are a variety of ways to open a key fob and get inside it, depending on the kind. A quick search online should show you which type of key fob you have and the type of battery it takes. From there, you can purchase the replacement and simply take the old one out and put the new one in.

The biggest concern when repairing an old car key fob is that you don't want to damage the circuit board or buttons further. Trying to pry apart the fob using an edge that is sharp like screwdrivers can cause damage to the case or damage the plastic. Luckily, a replacement case is inexpensive and you can purchase the entire fob and the electronic components from eBay or Amazon for less than $40.

If your key fob does not work, check if you have damaged the circuit board or the batteries. If this isn't the case, a professional will repair it for you quickly and cheaply. If not, it could be time to invest in an upgrade. Make sure you check the warranty of any replacement or used fobs purchased online.