How to Repair Car Key Fobs

Even though we test them many a times keys are not indestructible. In fact, they can break down in a variety of ways.

While the most common issue is the battery being dead but other issues can be more serious. Fortunately, the majority of these can be fixed by a simple DIY fix at home.

Dead Battery

A dead battery is probably the most frequent reason the car key fob stops working. Fob batteries tend to drain quickly, especially if they are exposed to extreme heat or humid temperatures, or water. Keep an extra battery in your wallet in case you need it.

The LED light will usually 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 could be necessary to re-program the key fob or replace it completely.

Fortunately the replacement of a car key fob battery is easy. Find out the type of battery used. The type should be engraved on the side of the fob. Google can help in case you're unsure. Once you've found the battery type and the key fob, you can open it near the seam. Use a flathead screwdriver, or keys even your fingernail, to separate the two halves. Remove the old battery and replace it with a brand new one. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob.

Some drivers don't realize that their fob has died until they lock or unlock their car, and the buttons don't work anymore. In some cases, this can be solved by reprogramming the fob however, this can be expensive and time-consuming. Another option is to contact roadside assistance and see if they are able to jump your car and get you back on the road.

If you've tried every solution but your vehicle doesn't turn on, it's time to call a professional. A trained technician can tell the computer in your car needs changing its programming, or if the fob is only in need of replacement batteries. They can also recommend a reliable auto shop to replace your key fob. Sometimes an entirely new fob could be the best option.

Circuit Board Damage

The key fob isn't impervious to destruction, but it can withstand a lot of physical damage. The battery, the circuit board and buttons will all experience their fair share of wear and tear with time, so it's important to be aware and take care of them to keep your car key repair cost key fob working efficiently.

Verify that the battery still working in your key fob. Replace the battery to determine if it resolves the issue. If not, you might require opening the key fob and clean the contact surfaces. It is sometimes difficult to open certain key fobs since they do not have an easy-release mechanism. You can damage your fob by trying to take it apart. You can purchase a special tool for opening your key fob. However, you must follow the directions of the manufacturer to avoid damaging it.

Another problem that is frequently encountered is a damaged or damaged circuit board on the key fob. It can be caused by many things, such as moisture or dirt that gets into the battery compartment software, hardware issues, or even an accidental firmware update. If your key repair shop near me fob isn't working completely, consider having it reprogrammed by an expert locksmith who specializes in this kind of work.

Radio interference is another possibility. This can happen if there are other wireless devices that transmit on the same frequency as your key fob, such radar detectors or home security systems. If this is the case, you should inquire with the other manufacturers of your device to ensure that your key fob isn't being affected by their signals.

It's also possible that your key fob has an unreliable switch or electrical component that should be replaced. This is a harder fix however, there are guides online that explain how to fix it yourself. Be cautious to be careful, however, since the circuit board that is inside your key fob is small and is prone to breaking if handled with care. If you're doing this yourself, be sure to use a high quality SMT switch and then solder it into place properly.

Out Buttons Out Buttons

Car key fobs are subject to a lot wear and wear and tear. They're susceptible to being dropped and often spend a lot of time moving around in your pocket or purse. The jolting can cause the buttons to wear down or get stuck. Simple adjustments can resolve the issue.

Modern key fobs are equipped with sensors that detect when they have been press. They're made to do this so that they can decrease the chance of theft by someone else of your vehicle. If the buttons on your key fob don't work when you press them, they're worn out and need to be replaced.

The circuit board inside the key fob also sends signals to your car. The signals include unlock and lock commands and also commands to start your engine. If the circuit board inside your vehicle is damaged then your key fob may not unlock your vehicle or even start the engine. This type of damage is typically caused by water or blunt force.

If you're forced to press the buttons more than normal to activate them the key fob buttons are getting worn out. Your fob could also stop sending signals to your car or have a smaller range.

If you're not able to unlock your key fob, unlock or start your car, you need to call an emergency locksmith in your area. They can determine if the key fob is damaged or if the cylinder in your ignition is worn out.

Luckily, most car key fob problems aren't serious or complicated. The best way to avoid getting caught off guard by a malfunctioning key fob is to have an extra key in your possession at all times. This will ensure that you're not left stranded somewhere because of a lost or malfunctioning key. If you do lose your car key spare, a locksmith will be able to rekey it so that it works with the ignition in your car. They'll also be able repair any internal damage that's occurred on your key fob.

Broken Case

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

The key fob won't work if the board is damaged. Sometimes, a key fob that is dead may need to be reprogrammed, which is something that your local auto locksmith or dealership can help you with.

Another reason why your key fob might not be functioning is that the batteries are dying. The battery can be replaced at your home. The good news is that you can find a replacement battery online or at your local auto parts store, Keys since these batteries are not exclusive to key fobs.

There are many ways to open a key fob to get inside, based on the type. You can find out what type of battery your key fob has by conducting a quick online search. From there, you can buy the replacement and simply take the old one out and the new one in.

If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons in any way. If you attempt to pull off the key fob with an instrument like a screwdriver or any other sharp edge, it can crack the plastic or damage the case. Fortunately, a replacement case isn't expensive and you can get a whole fob assembly with the electronic components from eBay or Amazon for less than $40.

If your key fob doesn't work, you should check if you've damaged the circuit board or batteries. If this isn't the case, a professional can fix it quickly and cost-effectively. If not, it could be time to replace the fob. Make sure you check the warranty on any fob replacement or used that you purchase online.