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How to Repair Car Key Fobs
Although we use them numerous times, key fobs are not impervious to destruction. They can break down in a variety of ways.
The most frequent issue is an unresponsive battery but other issues can be more serious. Many of these issues can be resolved by a quick fix at home.
Dead Battery
A dead battery is the most common cause of a key fob not working. Fob batteries are prone to draining quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. It's a good idea to keep an additional fob battery in your wallet in case.
You will usually know the moment the battery of your car key fob is dying by the fact that the LED light will cease to glow. It's also possible that your key fob will no longer work from the same distance it did in the past. In this instance, the key fob may require reprogramming or replaced completely.
Fortunately, replacing a car key fob battery is a simple task. First, you need to determine the kind of battery is being used. The type of battery you are using should be embossed in the back of your key fob. If you are not sure it is, an easy Google search will help. Unlock the key fob along the seam after you've identified the battery type. You'll need an small screwdriver with a flat head or even your fingernail to split the two halves. Then, remove the old battery and put an alternative one in its place. Make sure to insert the new battery with the positive (+) side facing up toward the buttons in the fob.
Some drivers might not be aware that their fob is dead until they attempt to lock or unlock their vehicle and the buttons do not respond. In some cases this issue can be resolved by reprogramming your fob, however, it can be costly and time-consuming. You can also contact roadside assistance to determine if they are able to jumpstart your car and get it back on the road.
If you've tried all of these options but your car won't start and you're not sure why, it's time for an expert. A trained technician can tell if your car's computer needs reprogramming, or if the fob simply needs a new battery. They may also recommend an auto shop to replace the fob that you use to access your car. Sometimes it is possible that a new fob might be the best solution.
Circuit Board Damage
A key fob is able to withstand a lot of physical abuse and isn't indestructible. The circuit board, battery and buttons are all subject to wear and tear. It is crucial to take care of these components to ensure that your key fob is in good working order.
The most straightforward thing to do is that the battery in your key fob isn't dead. If it is, replace the battery and determine if this fixes the issue. If not, you'll need to open the key fob and clean the contact surfaces. This can be tricky because some key fobs don't have easy-release mechanisms to unlock them and you could damage your fob if you try to force it apart. You can purchase a specific tool to open your key fob, but you should always adhere to the manufacturer's guidelines to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board inside the key fob. It can be caused by various factors, including moisture or dirt getting into the battery compartment. Software issues or even an accidental firmware update can be the cause for this. If your key fob isn't working completely, consider having it reprogrammed by an expert locksmith who specializes in this kind of work.
Radio interference is a different possibility. It could happen in the event that you have other wireless devices that transmit at the same frequency, like radar detectors or home security systems. If this is the case, you should get in touch with the manufacturer of the other device to make sure that your key fob won't be affected by their signals.
It's also possible that your key fob is equipped with an unreliable switch or electrical component that must be replaced. This is a more difficult fix, but you can find guides online that show you how to fix it yourself. It's important to be careful when doing this, though, as the circuit boards inside the key fob are tiny and are susceptible to breaking if they are handled roughly. If you're doing it yourself, be sure to use an SMT switch of good quality and solder the switch in place in a proper manner.
Buttons that are worn out
Car key fobs are susceptible to a lot wear and wear and tear. They are susceptible to being dropped and spend a lot of time being tossed around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or become stuck. Simple adjustments can resolve the problem.
Modern key fobs are equipped with sensors that are able to detect when they've been hit. They're made to do this so that they can lower the risk of theft by someone else of your vehicle. If the buttons on your key fob don't respond when pushed, that's an indication that they're worn out and require to be replaced.
Key fobs also have a circuit board inside them that transmits signals to the car. The signals include commands to unlock and lock and also instructions to start your engine. If electronic car key repair near me is damaged, your key fob might not be able to unlock your vehicle or even start the engine. Most of the time, this kind of damage is caused by water, blunt force, or something scratching the circuit board.
You'll be able to tell that the buttons on your key fob are wearing out if you find yourself pressing them harder than normal to get them to work. Your fob might also stop sending an alert to your vehicle or have a shorter range.
If you're not able to get your key fob to unlock or start your vehicle, it's crucial to call a locksmith in your area immediately. They can determine if your key fob is damaged, or if the cylinder in your ignition is worn out.
Fortunately, most key fobs for cars problems aren't too difficult or serious. The best way to ensure you don't get caught off guard by a malfunctioning key fob is to keep an extra key in your possession at all times. This will ensure that you're never 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 to ensure it is compatible with your car's ignition. They'll also be able fix any internal damage that has occurred to the key fob.
Broken Case
The case of the key fob does more than just protect the batteries and buttons. It also houses the circuit board that is responsible for doing all of the electrical magic when you press the button on your key fob. The circuit board receives the signal from your key fob and sends it to your car.
If the board is damaged or dead the key fob won't be able to function. Sometimes a dead key fob will just need to be reset which is something that your local auto locksmith or dealership can help you with.
Batteries may be the cause of your key fob not working. The battery can be replaced at home. The positive side is that you can locate the replacement battery on the internet or at a local auto parts store since the batteries aren't limited to key fobs.
There are many ways to open the key fob and go inside, based on the kind. A quick search on the internet will reveal what kind of key fob yours is and what kind of battery it requires. You can then purchase a new one, take the old one out and then insert the new one in.
If you are repairing a damaged key fob, the main concern is not to destroy the circuit or buttons further. If you attempt to pry apart the key fob using the screwdriver or another sharp edge, it can crack the plastic or damage the case. Luckily, a replacement case is cheap and you can get the entire fob and the electronic components from eBay or Amazon for less than $40.
So, if your key fob isn't functioning Check to see if the batteries are dead or whether the circuit board has been damaged. If that's not the case, a professional can repair it for you quickly and inexpensively. Otherwise, it might be time to invest in an upgrade. Make sure you check the warranty on any fob replacement or used that you purchase on the internet.