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How to Repair Car Key Fobs Although we test them many a times keys aren't impervious to destruction. In fact, they could break down 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 reason for a key fob that is not working. Fob batteries are prone to draining quickly, especially when they're exposed to extreme temperatures, humidity or water. Keep an extra battery in your wallet in case you require it. The LED light will generally cease to blink when the battery in the car key fob is running low. It's also possible that the fob won't function from the same distance as it used to. In this case the key fob could need to be reprogrammed or replaced altogether. Fortunately, replacing the battery in a car key fob is easy. Find out the type of battery that is used. The type should be engraved on the side of the fob. If you are not sure, doing a quick Google search will be helpful. Unlock the key fob across the seam after you've identified the type of battery. Make use of a flathead screwdriver or even your fingernail to break the two halves. Then, remove the battery that was removed and replace it with a new one in its place. Make sure you insert the new battery with the positive (+) side facing up toward the buttons on the fob. Some drivers may not be aware their fob is dead until they try to lock or unlock their vehicle and the buttons aren't responding. In some instances this issue can be resolved by reprogramming the fob however, it can be costly and time-consuming. You can also contact roadside assistance to find out whether they are able to restart your vehicle and get it back on the road. If you've tried both solutions and your vehicle still won't start, it's the right time to speak with an expert. A qualified technician will be able to determine whether your vehicle's computer system requires reprogramming or if the fob requires an upgrade in battery. They will also suggest a reputable auto repair shop to replace your key fob. Sometimes it is possible that a new fob may be the best solution. Circuit Board Damage The key fob isn't impervious to destruction, but it can endure a lot of physical damage. The battery, the circuit board and buttons will all experience their fair amount of wear and tear over the course of time, so it's important to be aware and take care of them in order to keep your car key fob operating efficiently. Check that the battery is still working in your key fob. Replace the battery to determine if it resolves the issue. If not, you might need to open the key fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms that allow you to open them up and you may end up damaging your key fob if try to pull it apart. You can purchase a specific tool to open your key fob. However, you must follow the directions of the manufacturer to avoid damaging it. Another issue that is common is a damaged or corrupted circuit board inside the key fob. This can be due to many things like dirt or moisture getting into the battery compartment software, hardware issues, or even an accidental firmware update. If your key fob has stopped working, you may be interested in getting it replaced. This can be accomplished by a locksmith who is skilled in this type of work. Radio interference is another possible cause. It could happen if are other wireless devices operating on the same frequency as your key fob, for instance radar detectors, home security systems. If this is the situation you must contact the manufacturer of the other device to make sure that your key fob will not be affected by their signals. It's also possible that your key fob is equipped with an unreliable switch or electrical component that should be replaced. This is a more difficult fix however, there are online guides that will show you how to do it yourself. You should be careful when doing this, however, because the circuit board inside the key fob is tiny and can easily break when handled rough. If you're doing it yourself, be sure to use an SMT switch that is of high-quality and solder the switch in place in a proper manner. Buttons that are worn out Car key fobs are prone to a lot of wear and tear. They're prone to being dropped and spend a lot of time jostled around in your pocket or purse. Sometimes, this jolting can cause buttons to wear out or become stuck. In this case it's possible that a simple adjustment will be all that's needed to make it work again. Most modern key fobs have sensors 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 the buttons on your key fob aren't responding when you press them it's a sign that they're worn out and require to be replaced. The circuit board inside the key fob transmits signals to your car. These signals include commands to unlock and lock your car, and instructions to start the engine. If the internal circuit board is damaged, then your key fob may not be able to unlock or start your 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 more than usual in order to get them working. In addition the fob might stop sending a signal to the car, or have less range than before. Contact a locksmith right away if you are not able to use your key fob to start your car. They can tell if the key fob is damaged or your ignition cylinder is worn out. Luckily, most key fob issues in cars aren't too serious or complex. The best way to avoid being taken by surprise by an unresponsive key fob is to have an extra in your pocket at all times. You'll never be stranded due to an issue with your key or a lost one. If you lose your spare key a professional locksmith can reset it to work with your car's engine. They'll also be able to fix any internal damage that's been caused to the key fob. Broken Case The case of your key fob does more than just protect the battery and buttons. It also houses the circuit board responsible for performing all the electrical magic when you hit the button on your key fob. lock and key repair near me relays the signal from your keyfob to your car. Your key fob will not work if the board is damaged. A dead key fob may only need to be reprogrammed by your local auto locksmith or dealership. Batteries could be the reason of your key fob not working. This is a quick fix that you can do at home by replacing the battery. The good thing is that you can locate the replacement battery online or at your local auto parts store since these batteries aren't exclusive to key fobs. Depending on the kind of key fob you have, there are a variety of ways to open it up and gain access to the inside. A quick internet search should identify the type of key fob yours is and what kind of battery it takes. 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 most important concern is not to damage the circuit or buttons in any way. Trying to pry apart the fob using a hard edge like a screwdriver could break the case or damage the plastic. A replacement case is inexpensive and you can buy the entire fob including the electronics on eBay or Amazon for less than $40. If your key fob does not work, check if you've damaged the circuit board or the batteries. If that's not the case, a professional will fix it quickly and cost-effectively. If not, it could be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs you buy online.
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