How to Repair Car Key Fobs

Key fobs can be damaged even if we use them a lot. In fact, they are able to break down in many different ways.

While the most common issue is the battery being dead however, other issues could be more serious. Most of these issues can be solved with a quick fix at home.

Dead Battery

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

The LED light will usually stop glowing when the battery in your car key fob is running low. The key fob could be unable to function from the same distance it was previously working to. In this scenario it might be necessary to re-program your key fob or replace it completely.

Fortunately, replacing the car key fob battery is easy. Find out the kind of battery used. The type of battery should be engraved on the back of the fob. If you're unsure, an easy Google search will help. The door key repair near me fob can be opened along the seam once you have identified the type of battery. You'll need an small screwdriver with a flat head or your fingernail to split the two halves. Remove the old battery, and replace it with a brand new one. Make sure you insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.

Some drivers don't even realize that their fob has died until they lock or unlock their vehicle and the buttons no longer work. In some cases this issue can be resolved by reprogramming the fob however, it can be costly and time-consuming. You can also call roadside assistance to find out whether they are able to restart your car and get it back on the road.

If you've tried every solution and your car still doesn't start, it's the right time to call a professional. A qualified technician can determine if your car key fob repair service's computer needs reprogramming, or if the fob only requires an upgrade in battery. They can also suggest an auto repair shop that can replace the fob that you use to access your car. In the end, sometimes a brand new fob is the most effective solution.

Circuit Board Damage

Key fobs can withstand a lot of physical abuse and isn't indestructible. The battery, the circuit board, and buttons all get their fair amount of wear and tear with time, so it's important to be aware and take care of them to keep your car key fob functioning well.

The easiest thing to check 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 its contact surfaces. It is sometimes difficult to open certain key fobs because they don't have an easy-release mechanism. You can cause damage to the fob by trying to force it apart. You can purchase a specific tool to open your key fob, but you should always follow the manufacturer's instructions to avoid damaging it.

A damaged or defective key fob circuit board is a common problem. This can be caused by numerous factors, such as dirt or moisture entering the battery compartment. Software issues or even an accidental firmware update can also cause this. If your key fob isn't working, you may think about having it reprogrammed. This can be accomplished by a locksmith who specializes in this kind of work.

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

It is also possible to replace a switch or other electrical component inside your key fob. There are online guides that show you how to fix this yourself. Be cautious when you do this it is important to be careful, since the circuit boards in your key fob are tiny and easily break when handled rough. If you do this yourself, be certain to use a top quality SMT switch and then solder it into place properly.

Buttons that are worn out

car key repair key fobs can suffer quite a bit of wear and tear. They are prone to being dropped, and they often spend a lot of time moving around in your purse or pocket. Sometimes, this jostling can cause the buttons to become worn out or snagged. When this happens, a simple adjustment may be all it takes to restore the button's functionality.

Most modern key fobs have sensors on them that tell if they've been pressed. They're made to do this because they can help reduce the likelihood of thieves stealing your car. If your key fob's buttons don't respond when pushed this is a sign that they're worn-out and need to be replaced.

The circuit board in the key fob also transmits signals to your car. The signals include commands to unlock and lock and also instructions to start your engine. If the internal circuit board is damaged, your key fob might not allow you to unlock or start your engine. Most of the time, this kind of damage is caused by water, blunt force or a scratch on the circuit board.

You'll notice that the buttons on your key fob are deteriorating when you press the buttons more than normal to get them to function. Additionally the fob might cease transmitting signals to the car or it'll have less range than it did prior to.

If you're not able to get your key fob to unlock or start your car, you need to contact a locksmith near you immediately. They can tell if the key fob is damaged, or if the cylinder of your ignition is worn out.

Fortunately, most key fobs for cars problems aren't too difficult or serious. Keep a spare key fob in your car at all times to avoid being surprised by a malfunctioning key. You'll never be stranded due to an unresponsive or lost key. If you have lost your spare key, a professional locksmith can reset it to work with your car's engine. They can also repair any internal damage to 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 that is responsible for all the electrical magic when you hit the button on your key fob. This board transmits the signal from your key fob to your car.

Your key fob won't work if the board is damaged. A Mobile Key Repair fob that is dead may require reprogramming by a local auto locksmith or dealer.

Another reason your key fob may not be functioning is that the batteries are dying. The battery can be replaced at home. The positive side is that you can find a replacement battery on the internet or at a local auto parts store, since the batteries aren't limited to key fobs.

There are a variety of ways to open a key fob to get inside, based on the kind. A quick search on the internet will show you which type of key fob you have and what kind of battery it requires. You can then purchase a new replacement and pop the old one out and then insert the new one in.

If you are repairing a damaged key fob, the primary concern is not to destroy the circuit or buttons further. When you try to break the key fob using a hard edge like a screwdriver could break the case or damage the plastic. Fortunately, a replacement for the case isn't expensive and you can buy the entire fob and the electronics on eBay or Amazon for less than $40.

If your key fob won't function, make sure you've damaged the circuit board or the batteries. If this isn't the case, a professional will fix it quickly and cost-effectively. Otherwise, it might be the time to purchase an upgrade. Make sure you check the warranty on any replacement or used fobs that you purchase on the internet.