How to Repair Car Key Fobs
Key fobs can be damaged even if we use them often. They can actually be destroyed in a variety of ways.
While the most common issue is the battery being dead, other issues can be more grave. Many of these issues can be solved with a simple fix at home.
Dead Battery
A dead battery is the most common reason for the key fob not functioning. Fob batteries are prone to draining quickly, particularly if they're exposed to extreme temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
You will usually know that your car key fob's battery is running low because the light on the LED will cease to blink. The key fob could be unable to function from the same distance that it used to. In this scenario, the key fob may need to be reprogrammed or replaced entirely.
It is easy to replace a car keyfob battery. Find out the type of battery that is used. The type of battery should be embossed in the back of your key fob. If you're not sure, a quick Google search will be helpful. Unlock the key fob along the seam once you've identified the type of battery. Utilize a flathead screwdriver or even your fingernail, to pry apart the two halves. Then, you can remove the old battery and insert the new one in its place. Be sure to insert the new battery with the positive (+) side facing towards the buttons in the fob.
Some drivers may not be aware the fob is dead until they try to lock or unlock their car and the buttons aren't responding. This can be fixed by reprogramming the fob. However, it can be time-consuming and expensive. You can also call roadside assistance to see whether they can start your vehicle and get it back on the road.
If you've tried all of these options but your car won't start, then it's time to contact a professional. A certified technician can determine if your car's computer system needs to be reprogrammed or if the fob requires an upgrade in battery. They may also recommend an auto repair shop that can replace the key fob. In the end, though, sometimes a brand new fob is the best solution.
Circuit Board Damage
A key fob is able to withstand many physical abuses and is not impervious to destruction. The battery, circuit board and buttons will all experience their fair amount of wear and tear over time, so it's important to be on guard and take care of them to keep your car key fob working efficiently.
The easiest way to test is to ensure that the battery inside your key fob isn't dead. If it is then replace the battery and determine if this fixes the problem. If this doesn't work, you might need to open the fob and clean its contact surfaces. It can be difficult to open some key fobs since they do not have an easy-release mechanism. You may damage your fob by trying to force it apart. You can purchase a specific tool to open your key fob, however you must always follow the instructions of the manufacturer to avoid damaging it.
A damaged or corrupted key circuit board for the fob is another frequent issue. This can be caused by various factors, including dirt or moisture getting into the battery compartment. Issues with software or an unintentional firmware update may also cause this. If your key fob is not functioning, you might be interested in getting it changed. web page can be done by a locksmith who is skilled in this kind of work.
Radio interference is another possibility. It could happen when you have other wireless devices around that transmit at the same frequency, such as radar detectors or home security systems. If this is the case, consult with other manufacturers of your device to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob may have a bad switch or other electrical component that needs to be replaced. There are online guides that guide you through the process of fixing this yourself. You should be careful to be careful, however, since the circuit board that is inside your key fob is small and is prone to breaking if handled roughly. If you do this yourself, make certain to use a top quality SMT switch and then solder it in place correctly.
Worn Out Buttons
Car key fobs are susceptible to a lot of wear and wear and tear. They're susceptible to being dropped and are frequently moving around in your pocket or purse. The constant jostling can cause the buttons to wear out or become stuck. A simple adjustment can fix the problem.
Most modern key fobs have sensors that detect if they've been pressed. They're designed to do this to decrease the chance of someone stealing your car. If your key fob's buttons aren't responding when pushed, that's an indication that they're worn out and require to be replaced.
Key fobs also contain an electronic circuit inside that transmits signals to the car. Those signals include commands to unlock and lock and also commands to start your engine. If the circuit board inside your vehicle is damaged, then your key fob might not allow you to unlock your car or even start the engine. Most of the time, this kind of damage is caused by water, force blunt or a scratch on the circuit board.
You'll be able to tell that the buttons on your key fob are wearing down when you press them harder than usual in order to get them working. Your fob might be unable to send a signal to your car or have a lower range.
Contact a locksmith right away if you are not able to use your key fob for your car. They'll be able determine whether the key fob is damaged or if your ignition cylinder has worn out.
Fortunately, most car key fob problems aren't a major or difficult issue. The best way to avoid being caught off guard by a malfunctioning key fob is to keep an extra in your pocket at all times. You'll never be stranded due to a malfunctioning or lost key. If you do happen to lose your car key spare, a locksmith can help reset it to work with the ignition in your car. They'll also be able to fix any internal damage that may have been caused to your 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 that is responsible for doing all of the electrical magic when you hit a button on your key fob. The circuit board receives the signal from your key fob, and then transmits it to your car.
If this board is damaged or dead your key fob will not be able to function. Sometimes, a dead key fob can be reprogrammed which is something that your local auto locksmith or dealership can help you with.
Another reason your key fob might not be functioning is that the batteries are dying. The battery can be replaced at home. You can purchase a replacement battery at the local auto parts store or online. These batteries are not just for key fobs.
There are a variety of ways to open the key fob and go inside, based on the kind. A quick internet search should reveal what kind of key fob yours is and the type of battery it uses. From there, you can buy the replacement and simply take the old one out and the new one in.
When repairing a broken key fob, the primary concern is not to damage the circuit or buttons more. If you try to pry off the key fob with a screwdriver or other hard edge, it could crack the plastic or damage the case. Luckily, a replacement case is inexpensive and you can purchase a whole fob assembly with the electronic components from eBay or Amazon for less than $40.
If your key fob isn't functioning look into whether the batteries are dead or if the circuit board has been damaged. If that's not the situation, a professional could repair it quickly and inexpensively. If not, it could be time to consider an upgrade. Make sure to verify the warranty on any replacement or used fobs purchased online.