How to Repair Car Key Fobs
Key fobs can be damaged even if we use them a lot. They are able to break down in a variety of ways.
While the most common issue is a dead battery however, other issues could be more serious. Luckily, most of them can be resolved by making a quick DIY fix at home.
Dead Battery
A dead battery is probably the most frequent reason the car key fob stops working. Fob batteries tend to drain quickly, especially if they are exposed to hot or cold temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
The LED light will generally cease to blink when the battery in the car key fob is low. It's also possible that your key fob won't function at the same distance it used to. In this scenario it might be necessary to reprogram the key fob or replace it completely.
It is easy to replace a car keyfob battery. First, find out what kind of battery is used. The type of battery should be engraved on the back of the fob. If you're unsure, doing a quick Google search will help. Once you have found the kind of battery you want, open the key fob at the seam. Use a flathead screwdriver, or your fingernail to break the two halves. Then, remove the old battery and put a new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers don't even realize that their fob has gone out of service until they lock or unlock their car and the buttons stop working. This can be corrected by reprogramming the fob. However it can be costly and time-consuming. You can also contact roadside assistance to find out if they are able to start your vehicle and get it back on the road.
If you've tried all the options and your vehicle still won't start, it's time to contact a professional. A qualified technician can determine if your car's computer needs reconfiguring, or if your key fob only requires an upgrade in battery. They can also recommend an auto shop that will replace your key fob. In the end, sometimes a brand new fob is the best solution.
Damaged Circuit Board
A key fob is not indestructible, but it is able to be able to withstand a variety of physical harm. The circuit board, battery and buttons are all subject to wear and tear. It is essential to take care of these components to keep your key fob in good working order.
Verify that the battery still functioning on your key fob. Replace the battery to see if it solves your problem. If this does not work, you may have to open the fob and clean its contact surfaces. It is sometimes difficult to open some key fobs since they don't have an easy release mechanism. You could cause damage to the fob by trying to break it. You can buy a tool to open your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging the.
A damaged or corrupted key fob circuit board is a frequent issue. It can be caused by a number of things like dirt or moisture that gets into the battery compartment, software issues or even an accidental firmware update. If your key fob isn't functioning completely, you should think about having it reprogrammed by locksmiths who specialize in this kind of work.
Radio interference is another possibility. This can happen if there are other wireless devices that transmit on the same frequency as your key fob, such radar detectors or home security systems. If this is the case, consult with other manufacturers of your device to ensure that your key fob isn't being affected by their signals.
It's also possible that your key fob has an issue with the switch or another electrical component that should be replaced. This is a difficult fix however, there are guides online that explain how to do it yourself. It's important to be careful when you do this, as the circuit boards in your key fob are tiny and are susceptible to breaking if they are handled roughly. If you do this yourself, be sure to use a good quality SMT switch and then solder it in place correctly.
Buttons that are worn out
Car key fobs can get lots of wear and wear and tear. They're susceptible to being dropped and often spend a lot of time moving around in your pocket or purse. Sometimes, this jolting can cause the buttons to become worn out or stuck. When this happens, a simple adjustment may be all it takes to restore the button's functionality.
Most modern key fobs come with sensors that detect if they've been pressed. They're designed to do this so that they can reduce the likelihood of someone stealing your car. If the buttons on your key fob don't work when you press them, they're worn out and need to be replaced.
Key fobs also have an internal circuit board that transmits signals to the car. These signals include commands to unlock and lock your car, as well as instructions to start the engine. If the circuit board within your vehicle is damaged, then your key fob will not be able to unlock or start your engine. Generally, this kind of damage is caused by water, force blunt or something that scratches the circuit board.
If you're forced to press the buttons more than usual in order to get them to function If this is the case, then your key fob's buttons are wearing out. Your fob might also stop sending an alert to your car or have a lower range.
If you're unable to unlock your key fob, unlock or start your car, it's important to find an emergency locksmith in your area. They'll be able determine whether the key fob is damaged or if your ignition cylinder has worn down.
Fortunately, the majority of car key fob issues aren't serious or complicated. Keep a spare key fob in your vehicle at all times to avoid being shocked by a malfunctioning device. You'll never be stranded due to an unresponsive or lost key. If you lose your spare key a professional locksmith can reset it to work with your vehicle's engine. They can also repair any internal damage to your key fob.
Broken Case
The case of the key fob is more than protect the batteries and buttons. It also houses the circuit board responsible for performing all the electrical magic when you press the button on your key fob. This board receives the signal from your key fob and sends it to your car.
The key fob won't function if the board is damaged. Sometimes a dead key fob can be reset which is something that your local auto locksmith or the dealership can assist you with.
Another reason your key fob might not be working is because the batteries are dead. The battery can be replaced at home. You can purchase an alternative battery at your local auto parts shop or on the internet. These batteries are not only for key fobs.
There are several ways to open up a key fob to get inside it, based on the type. A quick search on the internet will show you which type of key fob yours is and what kind of battery it uses. You can then purchase an alternative and take the old one out, and put the new one in.
If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons more. Trying to pry apart the key fob using a sharp edge, such as a screwdriver could damage the case or even scratch the plastic. A replacement case is inexpensive and you can buy an entire fob, including the electronics on eBay or Amazon for under $40.
If your key fob won't function, make sure you have damaged the circuit board or the batteries. If this is not the case, you can have it repaired quickly and easily by a professional. Otherwise, it might be the time to purchase a replacement. Make sure to verify the warranty on any replacement or used fobs that you purchase on the internet.