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How to Repair Car Key Fobs

Although we use them numerous times, key fobs are not indestructible. They can break down in different ways.

While the most common problem is the battery being dead however, other issues could be more serious. Most of these issues can be resolved by a quick fix at home.

Dead Battery

A dead battery is the most common cause of the key fob not functioning. Fob batteries can deplete quickly, especially when they are exposed to extreme heat or humid temperatures or water. It's a good idea keep an additional fob battery in your wallet in case.

You can usually tell when the battery of your car key fob is depleted by the fact that the LED light will cease to blink. It's also possible that the fob will no longer work from the same distance as it did in the past. In this case it might be necessary to re-program your key fob or replace it altogether.

It is easy to replace the battery in a car keyfob. Find out the kind of battery used. The type of battery should be stamped on the back of your key fob. If you're unsure it is, doing a quick Google search will help. Open the key fob across the seam after you have identified the type of battery. You'll need an small screwdriver with a flat head or even your fingernail split the two halves. Then, remove the old battery and insert a new one in its place. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob.

Some drivers may not be aware the fob is dead until they attempt to lock or unlock their car and the buttons do not respond. This can be fixed by reprogramming your fob. However, it can be time-consuming and expensive. You can also contact roadside assistance to see whether they can jumpstart your car and get it back on the road.

If you have tried all three of these methods and your car is still unable to start then it's time to contact a professional. A qualified technician can determine if your car's computer system needs reprogramming or if the fob needs a new battery. They will also suggest a reputable auto repair car key fob shop to replace your fob's key. Sometimes it is possible that a new fob may be the best option.

Circuit Board Damage

Key fobs aren't indestructible, but it is able to withstand a lot of physical harm. The battery, circuit board, and buttons all get their fair amount of wear and tear over the course of time It is therefore essential to be on guard and take care of them in order to keep your car key fob working efficiently.

Verify that the battery still working in your key fob. If it is replaced, determine if this fixes the problem. If this doesn't work, you may have to open the fob and clean the contact surfaces. This can be tricky because some key fobs don't have a release mechanism that is easy to open them up and you could damage your fob if you try to pull it apart. You can buy a tool for opening your key fob. But, you must adhere to the guidelines of the manufacturer to avoid damaging it.

A damaged or damaged key circuit board for the fob is another frequent issue. It can be caused by many things, including moisture or dirt getting into the battery compartment. Issues with software or an accident firmware update could be the cause for this. If your key fob isn't functioning, you might be interested in getting it replaced. This can be done by a locksmith who specializes in this kind of work.

Radio interference is another possible cause. This can happen if there are other wireless devices that transmit on the same frequency as your key fob, like radar detectors, 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 isn't affected by their signals.

You may also need to replace a switch or an electrical component in your key fob. This is a harder fix however, there are guides online that show you how to do it yourself. Be careful when doing this, however, because the circuit board inside your key fob is very small and is prone to breaking when handled rough. If you're doing this yourself, be sure to use an SMT switch of good quality and then solder the switch into place in a proper manner.

Worn Out Buttons

Car key fobs are subject to a lot wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your purse or pocket. The jolting can cause the buttons to wear down or get stuck. A simple adjustment can solve the issue.

Most modern key fobs come with sensors that tell if they've been pressed. This is because they lower the chance of someone else stealing your vehicle. If your key fob's buttons aren't responding when you press them this is a sign that they're worn out and need to be replaced.

The circuit board that is in the key fob transmits signals to your car. The signals include unlock and lock commands, as well as instructions to start your engine. If the circuit board within your vehicle is damaged, then your key fob will not allow you to unlock or start your engine. Typically, this type of damage is caused by water, force blunt, or something scratching the circuit board.

If you have to press the buttons more than normal to get them to function If this is the case, then your key fob's buttons are becoming worn out. Your fob might not be sending an alert 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 to tell whether the key fob itself is damaged or the ignition cylinder has worn down.

Fortunately, most car keyfob issues aren't very complicated or even serious. Keep an extra key fob in your vehicle always in case you end up being surprised by a malfunctioning key. You'll never be caught in the middle because of an issue with your key or a lost one. If you do happen to lose your car key spare A locksmith can reset it so that it works with the ignition of your car. They'll also be able to fix any internal damage that may have been caused to the key fob.

Broken Case

The case of a key fob does more than protect the batteries and buttons. It also houses the circuit board responsible for performing all the electrical magic when you hit the button on your key fob. The circuit board relays the signal from your key fob to your car.

Your key fob will not work if this board is damaged. Sometimes a dead key fob may need to be reset which is something your local auto locksmith or dealership can help you with.

Batteries could be the cause of your key fob not working. This is a simple solution that can be done at home by replacing the battery. You can get an alternative battery at the local auto parts store or on the internet. These batteries are not just for key fobs.

There are a variety of ways to open up the key fob repair near me fob and go inside, based on the type. A quick search on the internet will identify the type of key fob yours is and the type of battery it requires. From there, you can buy a replacement and easily pop the old one out and the new one in.

When fixing a damaged key fob, the most important goal is not to harm the circuit or buttons in any way. If you attempt to remove a key fob with a hard edge like screwdrivers can cause damage to the case or crack the plastic. A replacement case isn't expensive and you can find a complete fob assembly including the electronic components on eBay or Amazon for less than $40.

If your key fob isn't working look into whether the batteries are depleted or if the circuit board has become damaged. If that's not the situation, a professional could fix it quickly and cost-effectively. If not, it could be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs that you purchase online.