How to Repair Car Key Fobs

Although we test them a lot, key fobs are not indestructible. In fact, they could be destroyed in a variety of ways.

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

Dead Battery

A dead battery is the most common cause of a key fob that is not working. Fob batteries tend to drain quickly, especially when they are exposed or cold temperatures, humidity, or water. It's a good idea keep an extra fob battery in your wallet just in case.

The LED light will usually stop glowing when the battery in your car key Repair Service fob is low. It is also possible that the fob will no longer work from the same distance as it did in the past. In this case the key fob could require reprogramming or replaced entirely.

Fortunately replacing the battery in a car key fob is easy. First, determine what type of battery is used. The type of battery should be stamped on the back of your key fob. If you're unsure then doing a quick Google search will help. Once you've found the type of battery and the key fob, you can open it at the seam. You'll need an small screwdriver with a flat head or even your fingernail break the two halves. Then, remove the old battery and insert a new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.

Some drivers aren't aware that their fob has died until they lock or unlock their vehicle and the buttons don't work anymore. This can be corrected by reprogramming your fob. However it can be time-consuming and expensive. Another option is to call roadside assistance and ask them to jump your car and get you back on the road.

If you have tried all three of these methods and your car is still unable to start then it's time for a professional. A certified technician will be able to determine whether your vehicle's computer system requires reprogramming or the fob simply requires a new battery. They can also suggest an auto shop that will replace the fob that you use to access your car. Sometimes an entirely new fob could be the best solution.

Damaged Circuit Board

A key fob can take some physical abuse and isn't indestructible. The battery, the circuit board buttons, and other components all suffer their fair share of wear and tear over the course of time and it's crucial to be aware and take care of them to keep your car keys repairs key fob functioning efficiently.

The easiest way to test is that the battery in the key fob isn't dying. If it is, replace the battery and see if that fixes your problem. If this doesn't work, you might need to open the fob and clean the contact surfaces. It isn't easy to open certain key fobs because they do not have an easy-release mechanism. You could damage your fob by trying to take it apart. You can purchase a special tool to open your key fob. However, you should adhere to the guidelines of the manufacturer to avoid damaging it.

Another common problem is a damaged or faulty circuit board in the key fob. It can be caused by a number of things like dirt or moisture that gets into the battery compartment software problems or even an accidental firmware update. If your key fob has stopped functioning, you might want to consider having it reprogrammed. This can be accomplished by a locksmith who is skilled in this type of work.

Radio interference is a different possibility. This can occur when you have other wireless devices around that transmit on the same frequency, like radar detectors or home security systems. If this is the case, you should check with the other device manufacturers to make sure that your key fob isn't being affected by their signals.

You may also need to replace a switch or other electrical component of your key fob. This is a difficult fix however, you can find guides online that explain how to do it yourself. Be cautious to be careful, however, since the circuit board that is inside your key fob is very small and is prone to breaking when handled rough. If you're doing this yourself, ensure you make use of an SMT switch that is of high-quality and solder the switch in the correct position.

Worn Out Buttons

Car key fobs can get a lot of wear and wear and tear. They are prone to being dropped, and they often spend a lot of time being tossed around in your pocket or purse. The constant jostling can cause the buttons to wear down or get stuck. If this happens it's possible that a simple adjustment will be all it takes to get it working again.

Modern key fobs are equipped with sensors that detect when they have been pressed. They're designed to do this to lower the risk of someone stealing your car key fob repairs near me. If your key fob's buttons aren't responding when pushed it's a sign that they're worn out and require to be replaced.

Key fobs also contain a circuit board inside them that sends signals to the car. These signals include commands to unlock and lock your car, as well commands to start the engine. If your internal circuit board is damaged, then your key fob may not unlock your vehicle or start the engine. Most of the time, this kind of damage is caused by water, blunt force, or something scratching the circuit board.

If you're having to press the buttons more than usual in order to get them to function the key fob's buttons are getting worn out. Your fob could also stop sending an alert to your car or have a smaller range.

If you're unable get your key fob to unlock or start your car, you need to find an emergency locksmith in your area. They'll be able to tell whether the key fob is damaged or your ignition cylinder has worn out.

Luckily, most car key fob issues aren't too serious or complex. The best way to avoid getting caught off guard by an issue with your key fob is to keep a spare in your possession at all times. This will ensure that you're not stuck in a bind due to a lost or Key Repair Service malfunctioning key. Of course, if you do happen to lose your spare car key A locksmith can reset it to ensure it is compatible with the ignition of your car. They'll also be able repair any internal damage that may have occurred to your key fob.

Broken Case

A key fob's case does more than just protect the battery and buttons. It also houses the circuit board responsible for performing all the electrical magic when you press the button on your key fob. The board transmits the signal from your keyfob to your car.

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

Another reason your key fob may 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 the replacement battery online or at your local auto parts store since these batteries aren't exclusive to key fobs.

Depending on the type of key fob, there is different ways to open it up and get inside. You can find out what kind of battery your key fob is using by doing a quick online search. From there, you can buy a replacement and easily pop the old one out and the new one in.

When repairing a broken key fob, the main concern is not to destroy the circuit or buttons in any way. If you attempt to pry off the key fob with an instrument like a screwdriver or any other sharp edge, it could crack the plastic or break the case. A replacement case isn't expensive and you can buy a complete fob assembly including the electronic components on eBay or Amazon for less than $40.

If your key fob does not function, make sure you've damaged the circuit board or the batteries. If that's not the case, a professional will fix it quickly and inexpensively. In the event that it isn't, it's time to invest in an upgrade. Be sure to look for a warranty on any replacement or used fobs that you purchase online.