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How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them a lot. In fact, they are able to break down in many different ways.
Other issues can be more serious than a dead battery. Luckily, most of them can be resolved by making 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 when they're exposed to extreme temperatures, humidity, or water. It is a good idea to keep an additional fob battery in your wallet in case.
The LED light will generally stop glowing when the battery in your car key fob is running low. broken car key repair near me might also stop working from the same distance it was previously working to. In this scenario the key fob could need to be reprogrammed or replaced entirely.
Fortunately replacing the car key fob battery is a simple task. First, determine what kind of battery is used. The type of battery should be engraved on the back of your key fob. Google can help when you're not sure. Open the key fob along the seam after you've identified the type of battery. You will need to use a small flathead screwdriver or even your fingernail break 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 may not realize their fob is dead until they try to lock or unlock their vehicle and the buttons aren't responding. This can be fixed by reprogramming your fob. However, it can be costly and time-consuming. You can also call roadside assistance to find out if they are able to start your car and get it back on the road.
If you've tried both solutions but your vehicle doesn't start, it's time to contact a professional. A certified technician can determine if your car's computer needs reconfiguring, or if your key fob simply needs 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, though, sometimes a brand new fob is the best solution.
Circuit Board Damage
Key fobs aren't impervious to destruction, but it can endure a lot of physical harm. Battery, circuit board and buttons are all subject to wear and wear and tear. It is essential to take care of these components to keep your key fob in good working order.
Make sure that the battery still functioning on your key fob. If it is, replace the battery and determine if this fixes the issue. If this does not work, you might 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 your fob by trying to take it apart. You can purchase a specific tool to open your key fob, however it is recommended to follow the instructions of the manufacturer to avoid damaging it.
A damaged or damaged key fob circuit board is a frequent issue. This can be due to many things, such as dirt or moisture that gets into the battery compartment, software issues, or even an accidental firmware update. If your key fob has stopped functioning completely, you should think about having it reprogrammed by an expert locksmith who specializes in this kind of work.
Radio interference is a different possibility. This could happen in the event that you have other wireless devices around that transmit at the same frequency, like radar detectors or home security systems. If this is the case, consult with other manufacturers of the device to make sure that your key fob's signal isn't affected by their signals.
There may be a need to replace a switch or other electrical component in your key fob. This is a difficult fix however, there are guides online that show you how to fix it yourself. You should be careful, however, as the circuit board in the key fob is tiny and can easily break if handled roughly. If you're doing this yourself, be sure to make use of an SMT switch that is of high-quality and put the switch in the correct position.
Buttons that are worn out
Car key fobs are subject to a lot of wear and tear. They are prone to being dropped and are frequently moving around in your purse or pocket. Sometimes, this can cause the buttons to become worn out or become stuck. A simple adjustment can fix the issue.
Most modern key fobs have sensors on them that detect when they've been used. This is because they lower the chances of someone stealing your vehicle. If the buttons on your key fob aren't responding when pushed it's a sign that they're worn-out and need to be replaced.
Key fobs also have an internal circuit board that transmits signals to the car. Those signals include commands to unlock and lock, as well as commands to start your engine. If the circuit board within your vehicle is damaged, then your key fob may not allow you to unlock or start your engine. This type of damage is typically caused by blunt force or water.
You'll be able to tell that the buttons on your key fob are deteriorating if you find yourself pressing them harder than normal in order to get them working. In addition your fob could stop sending a signal to the car, or have less range than before.
If you're unable to unlock your key fob, unlock or start your car, it's important to contact a locksmith in your area immediately. They'll be able to tell whether the key fob is damaged or your ignition cylinder has worn down.
Fortunately, the majority of car key fob issues aren't serious or complicated. The best way to ensure you don't get taken by surprise by a malfunctioning key fob is to keep an extra key in your possession at all times. You'll never be stranded because of an issue with your key or a lost one. If you have lost your spare key, a professional locksmith can rekey it to work with your vehicle's engine. They'll also be able to repair any internal damage that's occurred to the key fob.
Broken Case
The case of your key fob provides more than just protection for the buttons and battery. It also houses the circuit board responsible for performing all the electrical magic when you hit the button on your key fob. The circuit board receives the signal from your key fob and sends it to your car.
Your key fob won't work if the board is damaged. Sometimes a dead key fob will just need to be reset which is something your local auto locksmith or the dealership can help you with.
Another reason your key fob may not be functioning is that the batteries are dying. This is a quick fix that can be accomplished at home by replacing the battery. You can find an alternative battery at your local auto parts shop or on the internet. These batteries aren't just for key fobs.
Depending on the kind of key fob, there is a variety of ways to open it up and access the insides. A quick internet search should show you which type of key fob you have and the type of battery it takes. You can then purchase a new replacement and pop the old one out and put the new one in.
The biggest concern when repairing a broken car key fob is that you don't want to cause damage to the circuit board or buttons any further. When you try to break the fob using a sharp edge, such as a screwdriver could break the case or crack the plastic. A replacement case is inexpensive and you can purchase a complete fob assembly including the electronic components on eBay or Amazon for under $40.
If your key fob won't work, check if you have damaged the circuit board or batteries. If this is not the situation, you can get it repaired quickly and easily by an expert. If not, it could be time to replace the fob. Be sure to check the warranty on any replacement or used fobs purchased online.