How to Repair Car Key Fobs
Key fobs can be damaged even if we utilize them frequently. They can actually be destroyed in different ways.
Other issues can be more grave than the battery being dead. Most of these issues can be resolved with a quick fix at home.
Dead Battery
A dead battery is the most frequent reason for a key fob not working. Fob batteries tend to drain quickly, particularly if they are exposed or humid temperatures, or water. Keep an extra battery in your wallet in case you require it.
The LED light will typically stop blinking when the battery in the car key fob is running low. The fob might also stop working from the same distance it was previously working to. In this scenario, the key fob may need to be reprogrammed or replaced altogether.
It is simple to replace a car keyfob battery. Find out the type of battery used. The type of battery you are using should be stamped on the side of your key fob. If you're unsure then doing a quick Google search will be helpful. Unlock the key fob along the seam once you've identified the type of battery. You'll need small flathead screwdrivers or even your fingernail break the two halves. Remove the old battery and replace it with a new one. Be sure to insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.
Some drivers might not be aware that the fob is dead until they attempt to lock or unlock their car and the buttons don't respond. In some cases, this can be solved by reprogramming the fob but that can be costly and time-consuming. You can also contact roadside assistance to determine if they are able to restart your car and get it back on the road.
If you've tried both of these solutions and your car is still unable to start and you're not sure why, it's time to call a professional. A qualified technician will be able to determine if your car's computer system needs reprogramming or if the fob needs a new battery. They may also recommend an auto shop to replace the fob that you use to access your car. Sometimes, however, a new fob could be the best option.
Circuit Board Damage
A key fob can take some physical abuse and is not impervious to destruction. The battery, circuit board, and buttons all get their fair share of wear and tear over the course of time It is therefore essential to be aware and take care of them to ensure that your car key fob working efficiently.
key repair service to test is to ensure that the battery inside your key fob isn't dead. Replace the battery to determine if it resolves your problem. If this doesn't work, you may have to open the fob and clean the contact surfaces. This can be a challenge because some key fobs don't have easy-release mechanisms that allow you to unlock them and you could end up damaging your key fob if try to force it apart. You can purchase a special tool for opening your key fob. However, you should adhere to the guidelines of the manufacturer to avoid damaging it.
A damaged or corrupted key fob circuit board is another common problem. It can be caused by a number of things, such as moisture or dirt that gets into the battery compartment, software issues or even an accidental firmware update. If your key fob has stopped working completely, consider having it reprogrammed by a locksmith that specializes in this kind of work.
Radio interference is also a possibility. This could happen if 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 ensure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob may have a bad switch or other electrical component that should be replaced. This is a harder fix however, you can find online guides that will show you how to do it yourself. Be cautious when doing this, as the circuit boards that are inside the key fob are tiny and are susceptible to breaking in the event of rough handling. If you're doing it yourself, make sure to make use of an SMT switch that is of high-quality and put the switch in place correctly.
Buttons that are worn out
Car key fobs are prone to a lot wear and wear and tear. They are susceptible to being dropped and spend a lot time being tossed around in your pocket or purse. This jostling can sometimes cause the buttons to wear out or become stuck. A simple adjustment can solve the problem.
Modern key fobs are equipped with sensors that detect when they have been hit. They're designed to detect this to reduce the likelihood of thieves 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.
The circuit board that is in the key fob transmits signals to your car. These signals include unlock and lock commands and also commands to start your engine. If your internal circuit board is damaged then your key fob might not allow you to unlock your car or even start the engine. Typically, this type of damage is caused by water, force blunt or a scratch on the circuit board.
You'll notice that the buttons on your key fob are deteriorating when you press more than normal to get them to work. In addition your fob could stop transmitting a signal to the car or have less range than it did prior to.
If you're unable to unlock your key fob, unlock or start your vehicle, it's crucial to find a locksmith near you immediately. They can tell if the key fob is damaged or your ignition cylinder is worn out.
Fortunately, most key fobs for cars problems aren't complicated or serious. Keep a spare key fob in your car at all times to avoid being thrown off by a malfunctioning key. You won't be left stranded because of a malfunctioning or lost key. If you lose your spare key a professional locksmith can rekey it to work with your car's engine. They can also repair any internal damage to the key fob.
Broken Case
A key fob's case provides more than just protection for the buttons and battery. The case also houses the circuitry that does all the electrical magic whenever you press the key fob button. This board takes the signal from your key fob and transmits it to your car.
If this board is damaged or dead, your key fob won't be able to operate. A dead key fob may only need to be reprogrammed by a local auto locksmith, or dealership.
Another reason your key fob might not be working is that the batteries are dying. This is a quick fix that you can do at home by replacing the battery. You can purchase an alternative battery at your local auto parts shop or on the internet. These batteries are not only for key fobs.
Depending on the type of key fob you have, there are different ways to open it and access the insides. A quick internet search should show you which type of key fob you have and the type of battery it requires. You can then purchase a new one, take the old one out, and put the new one into.
When fixing a damaged key fob, the most important concern is not to damage the circuit or buttons further. When you try to break the key fob using an edge that is sharp like a screwdriver could damage the case or even scratch the plastic. A replacement case isn't expensive and you can find the entire fob including the electronics on eBay or Amazon for under $40.
So, if your key fob isn't functioning Check to see if the batteries are dead or whether the circuit board has become damaged. If this is not the case, you can have it repaired quickly and inexpensively by an expert. Otherwise, it might be time to invest in an upgrade. Make sure to verify the warranty of any replacement or used fobs purchased online.