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How to Repair Car Key Fobs

Although we use them numerous times, key fobs are not indestructible. They are able to break down in a variety of ways.

While the most common problem is a dead battery but other issues can be more grave. Most of these issues can be solved with a simple fix at home.

Dead Battery

A dead battery is likely the most common reason why the car key fob stop working. Fob batteries drain quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. It is a good idea to keep an extra battery in your wallet just in case.

The LED light will generally stop blinking when the battery in the car key fob is low. The fob may also stop working at the same distance it was previously working to. In this scenario it might be necessary to reprogram the key fob or replace it completely.

Fortunately replacing the car key fob battery is a simple task. Find out the type of battery that is used. The type of battery should be engraved on the side of the fob. Google can assist you if you're not sure. Unlock the key fob along the seam after you've identified the battery type. Make use of a flathead screwdriver or even your fingernail to break the two halves. Remove the old battery and replace it with a brand new one. Make sure to insert the new battery with the positive (+) side facing upwards towards the buttons on the fob.

Some drivers might not be aware that the fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. In some cases this issue can be resolved by reprogramming the fob, but that can be costly and time-consuming. You can also call roadside assistance to see whether they can start your vehicle and get it back on the road.

If you've tried both solutions but your vehicle doesn't start, it's time to contact an expert. A qualified technician can determine the computer in your car needs reconfiguring, or if your key fob only requires replacement batteries. They can also recommend an auto shop to replace the fob that you use to access your car. In the end, though sometimes, a brand new fob is the best solution.

Damaged Circuit Board

A key fob is not impervious to destruction, but it can withstand a lot of physical harm. The battery, circuit board and buttons are all subject to wear and wear and tear. It is crucial to take care of these parts to ensure your key fob remains in good working order.

The easiest thing to check is to make sure the battery in your key fob isn't depleted. Replace the battery to determine if it resolves your issue. If not, you might need to open the key fob and clean the contact surfaces. It can be difficult to open some key fobs since they do not have an easy-release mechanism. You can damage your fob by trying break it. You can purchase a special tool to open your key fob, however it is recommended to follow the manufacturer's instructions 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 issues or even an unintentional firmware update. If your key fob has stopped functioning, you might think about getting it reprogrammed. This can be accomplished by a locksmith that specializes in this work.

Radio interference is a different possibility. It could happen if are other wireless devices operating on the same frequency your key fob, like radar detectors or home security systems. If this is the case, consult with other manufacturers of your device to make sure that your key fob isn't affected by their signals.

You may also need to replace a switch or other electrical component inside your key fob. This is a harder fix, but you can find guides online that explain how to do it yourself. It's important to be careful when doing this, though, as the circuit boards in your key fob are small and are susceptible to breaking when handled rough. If you're doing this yourself, make sure to use a high quality SMT switch and solder it into place properly.

Out Buttons Out Buttons

car key repair company key fobs are susceptible to a lot of wear and tear. They are more prone to being lost and spend a significant amount of time in your purse or pocket. Sometimes, this can cause the buttons to become worn out or stuck. In this case an easy adjustment could be all it takes to restore the button's functionality.

Modern key fobs come with sensors that detect when they've been pressed. They're designed to detect this because they can help reduce the likelihood of someone stealing your car. If the buttons on your key fob aren't responding when you press them, that's an indication that they're worn-out and need to be replaced.

Key fobs also contain an internal circuit board that sends signals to the car. These signals include unlock and lock commands, as well as instructions to start your engine. If the circuit board within your vehicle is damaged, your key fob will not be able to unlock or start your engine. Most of the time, this kind of damage is caused by water, force blunt or a scratch on the circuit board.

If you have to press the buttons more than usual to get them to function, then your key fob buttons are wearing out. Your fob could be unable to send an alert to your vehicle or have a shorter range.

If you're unable to unlock your key fob, unlock or start your car key button repair, it's important to call a locksmith in your area immediately. They'll be able to tell whether the key fob is damaged or the ignition cylinder has worn down.

Fortunately, most car key fob issues aren't a major or difficult issue. The best way to ensure you don't get surprised by an issue with your key fob is to have an extra in your pocket at all times. This will ensure that you're never left stranded somewhere because of an unreliable or lost key. Of course, if you do lose your spare car key, a locksmith can help reset it so that it works with the ignition of your car. They'll also be able fix any internal damage that's occurred to the key fob.

Broken Case

The case of your key fob provides more than just protection for the battery and buttons. The case also houses the circuitry that executes all the electrical magic when you press a key fob button. This board receives the signal from your key fob and transmits it to your car.

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

Another reason why your key fob might not be working is that the batteries are dying. This is a quick fix that can be accomplished at home by replacing the battery. The good news is that you can find a 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 a key fob to get inside it, depending on the kind. A quick search online should show you which type of key fob yours is and the type of battery it requires. From there, you can purchase an alternative and then simply pop the old one out and put the new one in.

When repairing a broken key fob, the main concern is not to destroy the circuit or buttons more. If you attempt to remove the key repair car fob using a sharp edge, such as a screwdriver can damage the case or even crack the plastic. Fortunately, a replacement for the case isn't expensive and you can purchase a whole fob assembly with the electronics from eBay or Amazon for less than $40.

So, if your key fob doesn't work, check to see if the batteries are depleted or if the circuit board has been damaged. If that's not the case, a professional can repair keys near me (Read Farmarm) it for you quickly and cost-effectively. If not, it could be time to replace the fob. Be sure to look for a warranty on any replacement or used fobs that you purchase online.