Repair Car Key Tools To Streamline Your Everyday Life How to Repair Car Key Fobs

Even though we test them numerous times, key fobs are not indestructible. In fact, they can be destroyed in a variety of ways.

Other issues could be more grave than an unresponsive battery. Luckily, most of these can be fixed by a simple DIY fix at home.

Dead Battery

A dead battery is likely the most common reason why the car key fob stops working. Fob batteries tend to drain quickly, particularly if they are exposed to hot or cold temperatures, humidity or water. It's a good idea to keep an extra fob battery in your wallet in case.

The LED light will typically cease to blink when the battery in the car key fob is running low. It's also possible that the fob won't work from the same distance as it did in the past. In this scenario it could be necessary to reprogram the key fob or replace it completely.

It is simple to replace a car keyfob battery. First, determine what kind of battery is used. The type should be engraved on the back of the fob. Google can assist you when you're not sure. Once you have found the battery type you want to use, open the key fob at the seam. Use a flathead screwdriver, or even your fingernail, to pry apart the two halves. Then, you can remove the old battery and put an alternative one in its place. Make sure you 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 try to lock or unlock their car and the buttons don't respond. In some cases this issue can be resolved by reprogramming your fob, however, it can be costly and time-consuming. car remote key repair is to call roadside assistance and see if they are able to jump your vehicle and get you back on the road.


If you've tried every solution and your car still doesn't start, it's time to contact a professional. A trained technician can tell whether your car's computer requires reprogramming, or if the fob only requires an upgrade in battery. They can also recommend a reliable auto shop to replace your fob's key. In the end, sometimes a brand new fob is the most effective solution.

Circuit Board Damage

A key fob is able to withstand many physical abuses and is not impervious to destruction. The battery, circuit board and buttons will all experience their fair amount of wear and tear with time, so it's important to be on guard and take care of them to ensure that your car key fob working efficiently.

The easiest way to test is to make sure the battery in your key fob isn't dead. If it is then replace the battery and see if that fixes your problem. If not, you might have to remove the key fob and clean the contact surfaces. This can be difficult since some key fobs do not have easy-release mechanisms that allow you to open them up, and you can easily end up damaging your key fob if try to pull it apart. You can purchase a special tool to open your key fob. But, you must adhere to the guidelines of the manufacturer to avoid damaging it.

Another issue that is common is a damaged or damaged circuit board in the key fob. This can be due to a number of things, such as moisture or dirt that gets into the battery compartment software, hardware issues, or even an accidental firmware update. If your key fob isn't working completely, think about having it reprogrammed by a locksmith that specializes in this kind of work.

Radio interference is also a possibility. This could happen when you have other wireless devices around that transmit on the same frequency, like radar detectors or home security systems. If this is the situation you need to contact the manufacturer of the other device to ensure that your key fob will not be affected by their signals.

You may also need to replace a switch or other electrical component of your key fob. There are online guides that will guide you through the process of fixing this yourself. It is important to be cautious when you do this it is important to be careful, since the circuit boards in your key fob are small and can break easily if they are handled roughly. If you're doing this yourself, make certain to use a top quality SMT switch and solder it into place properly.

Buttons that are worn out

Car key fobs can suffer lots of wear and tear. They're prone to being dropped and often are frequently moving around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or snagged. A simple adjustment can solve the problem.

Modern key fobs come with sensors that are able to detect when they've been hit. They're designed to do this to lower the risk of thieves stealing your car. If the buttons on your key fob aren't responding when you press them, they're worn out and should be replaced.

The circuit board in the key fob transmits signals to your car. These signals include commands to unlock and lock and also commands to start your engine. If your internal circuit board is damaged then your key fob might not be able to unlock your vehicle or even start the engine. Typically, this type of damage is caused by water, force blunt or something that scratches the circuit board.

You'll be able to tell that the buttons on your key fob are wearing down if you find yourself pressing the buttons more than normal in order to get them working. The fob may be unable to send a signal to your car or have a smaller range.

Contact a locksmith right away if you are not able to use your key fob for your car. They'll be able determine whether the key fob itself is damaged or the ignition cylinder has worn down.

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 one. You won't be left stranded because of an unresponsive or lost key. If you do lose your car key spare A locksmith can rekey it so that it works with your car's ignition. They'll also be able fix any internal damage that's occurred on the key fob.

Broken Case

The case for your key fob does more than just protect the battery and buttons. It also houses the circuit board responsible for all the electrical magic when you hit the button on your key fob. This board takes the signal from your key fob, and then transmits it to your car.

The key fob won't work if this board is damaged. A dead key fob may require reprogramming by a local auto locksmith or dealer.

Batteries could be the cause of your key fob not working. The battery can be replaced at home. You can purchase a replacement battery at the local auto parts store or on the internet. These batteries are not only intended for key fobs.

There are many ways to open a key fob and get inside, based on the type. You can determine what type of battery your key fob uses 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.

When fixing a damaged key fob, the primary concern is not to destroy the circuit or buttons more. Trying to pry apart a key fob with an edge that is sharp like screwdrivers can break 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 under $40.

If your key fob won't work, you should check if you've damaged the circuit board or the batteries. If this isn't the case, you can have it repaired quickly and inexpensively by a professional. If not, it may be time to replace the fob. Be sure to look for a warranty on any used or replacement fobs you buy online.