How to Repair Car Key Fobs

Even though we test them numerous times keys aren't indestructible. In fact, they could be destroyed in a variety of ways.

The most frequent issue is a dead battery however, other issues could be much more grave. Luckily, most of these can be fixed with a quick DIY fix at home.

Dead Battery

A dead battery is the main reason for the key fob not functioning. Fob batteries drain quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you need it.

The LED light will typically stop glowing when the battery in your car key fob is running low. The fob may also stop working at the same distance it was previously working to. In this scenario the key fob could require reprogramming or replaced completely.

Fortunately the replacement of the battery in a car key fob is easy. Find out the kind of battery used. The type should be engraved on the side of the fob. If you're unsure then an easy Google search will be helpful. Open the key fob across the seam after you've identified the battery type. You'll need a small flathead screwdriver or even your fingernail to break the two halves. Remove the old battery, and replace it with a new one. Make sure to insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.

Some drivers may not realize the fob is dead until they attempt to lock or unlock their car and the buttons do not respond. This can be corrected by reprogramming the fob. However it can be costly and time-consuming. You can also contact roadside assistance to determine whether they are able to jumpstart your vehicle and get it back on the road.

If you have tried all of these options and your car still won't start then it's time for a professional. A certified technician can determine if your car's computer needs reconfiguring, or if your key fob is only in need of an upgrade in battery. They can also recommend a reputable auto key repair near me repair shop to replace your fob's key. Sometimes an entirely new fob may be the best option.

Damaged Circuit Board

Key fobs aren't impervious to destruction, but it can withstand a lot of physical harm. The battery, circuit board and buttons will all experience their fair amount of wear and tear over time and it's crucial to be vigilant and take care of them to ensure that your car key fob operating efficiently.

The easiest way to test is to make sure the battery in your key fob isn't dead. Replace the battery to determine if it resolves your problem. If not, you might need to open the key fob and clean the contact surfaces. It is sometimes difficult to open certain key fobs due to the fact that they do not have an easy-release mechanism. You may damage the fob by trying to take it apart. You can buy a special tool to open your key fob, but you must always follow the manufacturer's instructions to avoid damaging it.

A damaged or defective key fob circuit board is another frequent issue. This can be due to many things like moisture or dirt that gets into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob isn't functioning, you might be interested in getting it replaced. This can be done by a locksmith who is skilled in this work.

Radio interference is another possibility. This could happen if there are other wireless devices transmitting on the same frequency as your key fob, for instance a radar detectors and home security systems. If this is the case you must get in touch with the manufacturer of the other device to ensure that your key fob won't be affected by their signals.

It's also possible that your key fob has an issue with the switch or another electrical component that should be replaced. This is a more difficult fix however, you can find online guides that will show you how to fix it yourself. Be careful to be careful, however, since the circuit board inside your key fob is very small and can easily break if handled with care. If you're doing it yourself, be sure to make use of an SMT switch of good quality and solder the switch in place correctly.

Worn Out Buttons

Car key fobs are prone to quite a bit of wear and wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your purse or pocket. Sometimes, this jostling can cause the buttons to wear out or snagged. A simple adjustment can solve the issue.

Modern key fobs come with sensors that are able to detect when they have been hit. They're made to do this because they can help decrease the chance of someone stealing your car key button repair. If the buttons on your key fob don't respond when pushed it's a sign that they're worn out and require to be replaced.

The circuit board that is in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well as commands to start the engine. If your internal circuit board is damaged, the key fob you have may not allow you to unlock your car key repair or start the engine. Most of the time, this kind of damage is caused by water, blunt force or something that scratches the circuit board.

You'll notice that the buttons on your key fob are deteriorating If you're finding yourself pressing the buttons more than usual in order to get them working. Your fob might not be sending an alert to your car or have a smaller range.

Contact a locksmith immediately when you're not able to use your key fob to start your car. They can tell if the key fob is damaged, or if the cylinder of your ignition is worn out.

Fortunately, most car key fob issues aren't too serious or complex. The best way to ensure you don't get taken by surprise by a malfunctioning key fob is to keep an extra in your pocket at all times. You won't be left stranded due to an issue with your key or a lost one. If you lose your spare key a professional locksmith can rekey it to work with your vehicle's engine. They'll also be able to fix any internal damage that has occurred on your key fob.

Broken Case

The case of the key fob does more than just shield the buttons and batteries. It also houses the circuit board that is responsible for doing all of the electrical magic when you hit a button on your key fob. This board takes the signal from your key fob and sends it to your car.

Your key fob won't function if the board is damaged. A dead key fob may only need to be reprogrammed by a local auto locksmith, or dealership.

Another reason your key fob may not be functioning is that the batteries are not working. The battery can be replaced at home. You can get an alternative battery at your local auto parts shop or online. These batteries are not only intended for key fobs.

There are many ways to open the key fob and go inside it, depending on the type. You can determine what type of battery your key fob is using by conducting a quick internet search. From there, you can buy a replacement and easily pop the old one out and put the new one in.

When repairing a broken car key repair key fob, the most important concern is not to damage the circuit or buttons more. If you try to pry apart the key fob using a screwdriver or other hard edge, it could break the plastic or damage the case. Fortunately, a replacement case is inexpensive and you can get an entire fob with the electronics on eBay or Amazon for less than $40.

If your key fob does not work, you should check if you have damaged the circuit board or batteries. If that's not the situation, a professional could repair it for you quickly and inexpensively. If not, it could be the time to purchase an upgrade. Just be sure to check for a warranty on any replacement or used fobs that you purchase online.