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How to Repair Car Key Fobs

Key fobs can become damaged, even if we use them a lot. In fact, they can be destroyed in a variety of ways.

Other issues could be more serious than the battery being dead. Many of these issues can be resolved with a quick fix at home.

Dead Battery

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

You will usually know when the battery of your car key fob is running low because the light on the LED will cease to blink. It's also possible that your key fob will no longer work from the same distance it did in the past. In this instance the key fob might require reprogramming or replaced completely.

Fortunately, replacing the car key fob battery is easy. Find out the type of battery used. The type of battery you are using should be embossed in the back of your key fob. Google can help if you're not sure. Once you've identified the battery type and the key fob, you can open it at the junction. You will need to use a small flathead screwdriver or your fingernail to pry the two halves apart. Then, remove the old battery and put an alternative one in its place. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.

Some drivers don't even realize that their fob is dead until they lock or unlock their car, and the buttons stop working. In some instances this issue can be resolved by reprogramming your fob, but that can be costly and time-consuming. You can also contact roadside assistance to see whether they can restart 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 whether your car key remote repair's computer requires changing its programming, or if the fob only requires replacement batteries. They can also recommend a reliable auto repair Car key fob shop to replace your fob's keys. Sometimes an entirely new fob could be the best solution.

Circuit Board Damage

Key fobs can withstand many physical abuses and is not impervious to destruction. The battery, the circuit board buttons, and other components all suffer their fair share of wear and tear over time, so it's important to be on guard and take care of them in order to keep your car key fob functioning efficiently.

The most straightforward thing to do is to ensure that the battery inside your key fob isn't dead. Replace the battery to see if it solves the issue. If this does not work, you may need to open the fob and clean the contact surfaces. This can be a challenge since some key fobs do not have easy-release mechanisms that allow you to unlock them and you may harm your device if you try to pull it apart. You can purchase a specific tool to open your key fob, but you must always follow the instructions of the manufacturer to avoid damaging it.

A damaged or defective key circuit board for the fob is another frequent issue. This can be caused by many things, including dirt or moisture entering the battery compartment. Software issues or even an accidental firmware update can be the cause for this. If your key fob has stopped working, you may think about having it changed. This can be accomplished by a locksmith that specializes in this type of work.

Radio interference is another possibility. It could happen when you have other wireless devices that transmit on the same frequency, for example, radar detectors or home security systems. If this is the case, consult with other manufacturers of the device to make sure that your key fob isn't affected by their signals.

There may be a need to replace a switch or another electrical component of your key fob. This is a harder fix, but you can find guides online that show you how to fix it yourself. Be cautious when doing this, though, as the circuit boards in your key fob are small and can break easily in the event of rough handling. If you decide to do this yourself, be sure to use a high quality SMT switch and solder it in place correctly.

Buttons that are worn out

Car key fobs can get a lot of wear and wear and tear. They are susceptible to being dropped and spend a lot of time being jostled in your purse or pocket. The jolting can cause the buttons to wear out or get stuck. A simple adjustment can solve the issue.

Most modern key fobs come with sensors on them that detect when they've been used. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob aren't responding when pressed, they are worn out and should be replaced.

Key fobs also contain an electronic circuit inside which transmits signals to your car. These signals include unlock and lock commands and also commands to start your engine. If the circuit board within your vehicle is damaged, your key fob might not unlock or start your engine. Most of the time, this kind of damage is caused by water, force blunt, or something scratching the circuit board.

If you have to press the buttons harder than normal to make them function, then your key fob's buttons are wearing out. In addition the fob might stop transmitting a signal to the remote car key repairs or have a lower range than it did before.

If you're unable get your key fob to unlock or start your car, it's important to contact a locksmith in your area immediately. They can tell if the key fob is damaged or if the cylinder in your ignition is worn out.

Fortunately, the majority of car keyfob problems aren't too difficult or serious. Keep a spare key fob in your car always in case you end up being thrown off by a malfunctioning key. You'll never be caught in the middle because of an unresponsive or lost key. If you lose your spare key an expert locksmith can rekey it to work with your vehicle's engine. They'll also be able fix any internal damage that's been caused to the key fob.

Broken Case

The case for your key fob does more than just protect the buttons and battery. The case also houses the circuitry that does all the electrical magic when you press the button on your key fob. This board transmits the signal from your key fob to your car.

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

Another reason why your key fob may not be functioning is that the batteries are dying. This is a simple fix that can be accomplished at home by replacing the battery. The good news is that you can find an alternative battery on the internet or at your local auto key repair parts shop since the batteries aren't limited to key fobs.

There are several ways to open the key fob and go inside it, based on the kind. A quick internet search should reveal what kind of key fob yours is and what kind of battery it takes. From there, you can purchase the replacement and simply take the old one out and the new one in.

The main concern when you repair the broken car key fob is that you don't want to damage the circuit board or buttons further. If you attempt to pull apart the key fob using a screwdriver or other hard edge, it could crack the plastic or damage the case. Fortunately, a replacement for the case is cheap and you can buy an entire fob with the electronic components from eBay or Amazon for less than $40.

If your key fob does not work, check if you've damaged the circuit board or the batteries. If this isn't the case, you can have it repaired quickly and easily by an expert. If not, it could be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs you buy on the internet.