How to Repair Car Key Fobs
Key fobs can be damaged, even if we use them often. In fact, they can break down in many different ways.
Other issues can be more serious than the battery being dead. Fortunately, the majority of these can be fixed with a quick DIY fix at home.
Dead Battery
A dead battery is probably the most common reason a car key fob stops working. Fob batteries are prone to draining quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you require it.
The LED light will typically stop glowing when the battery in the car key fob is running low. It is also possible that the fob won't function at the same distance it did in the past. In this instance, the key fob may need to be reprogrammed or replaced completely.
It is simple to replace the battery in a car keyfob. Find out the kind of battery used. The type should be engraved on the side of the fob. If you're not sure, an easy Google search will help. Unlock the key fob along the seam after you have identified the type of battery. You'll need an small screwdriver with a flat head or even your fingernail to pry the two halves apart. Take the old battery out, and replace it with a brand new one. Make sure you insert the new battery with the positive (+) side facing upwards towards the buttons on the fob.
Some drivers aren't aware that their fob has gone out of service until they lock or unlock their car, and the buttons don't work anymore. This can be corrected by reprogramming the fob. However, it can be costly and time-consuming. Another option is to call roadside assistance and see if they are able to jump your car and get you back on the road.
If you've tried every solution and your vehicle still won't start, it's time to speak with an expert. A qualified technician can determine whether your car's computer system needs reprogramming or if the fob requires an upgrade in battery. They can also recommend a reputable auto shop to replace your fob's keys. In the end, though sometimes, a brand new fob is the best solution.
Circuit Board Damage
A key fob can take many physical abuses and is not indestructible. The battery, circuit board buttons, and other components all suffer their fair share of wear and tear with time and it's crucial to be aware and take care of them to keep your car key fob functioning efficiently.
Check that the battery is still working on your key fob. If car key fob repairs is then replace the battery and see if that fixes your issue. If not, you might have to remove the key fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms that allow you to unlock them and you may end up damaging your key fob if try to force it apart. You can purchase a specific tool for opening your key fob. But, you must always follow the instructions of the manufacturer to avoid damaging the.
A damaged or corrupted key fob circuit board is a common problem. This can be caused by many things, such as moisture or dirt that gets into the battery compartment software, hardware issues or even an accidental firmware update. If your key fob isn't functioning completely, you should consider having it reprogrammed by an expert locksmith who specializes in this kind of work.
Radio interference is also a possibility. It could happen if are other wireless devices operating at the same frequency as your key fob, such a radar detectors and home security systems. If this is the case, you should check with the 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 is equipped with an unreliable switch or 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. It's important to be careful when doing this, though because the circuit boards that are inside the key fob are tiny and can break easily in the event of rough handling. If you're doing this yourself, be sure to use a good quality SMT switch and solder it to the correct place.
Buttons that are worn out
Car key fobs are subject to a lot wear and tear. They are susceptible to being lost and spend a significant amount of time being tossed around in your purse or pocket. Sometimes, this can cause the buttons to wear out or stuck. Simple adjustments can resolve the problem.
The majority of modern key fobs have sensors that tell if they've been pressed. They're designed to detect this to decrease the chance of thieves stealing your car. If your key fob's buttons don't respond when pushed, that's an indication that 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 unlock and lock commands and commands to start your engine. If the internal circuit board is damaged, then your key fob might not be able to unlock or start your engine. This kind of damage is usually caused by blunt force or water.
You'll notice that the buttons on your key fob are deteriorating if you find yourself pressing more than usual in order to get them working. The fob may also stop sending a signal to your vehicle or have a shorter range.
If you're unable unlock your key fob, unlock or start your vehicle, it's crucial to call a locksmith in your area immediately. They can determine if the key fob is damaged or if your ignition cylinder is worn out.
Luckily, most car key fob issues aren't too serious or complex. Keep an extra key fob in your vehicle always in case you end up being shocked by a malfunctioning key. You won't be left stranded due to a malfunctioning or lost key. If you lose your spare key, an expert locksmith can rekey it to work with your vehicle's engine. They'll also be able repair any internal damage that's occurred on the key fob.
Broken Case
The case of your key fob is more than just a place to store the battery and buttons. It also houses the circuit board responsible for doing all of the electrical magic when you hit the button on your key fob. The circuit board relays the signal from your key fob to your car.
The key fob won't function if the board is damaged. A dead key fob might only need to be reprogrammed by a local auto locksmith, or dealer.
Batteries could be the reason of your key fob not working. This is a quick solution that can be done at home by replacing the battery. The good news is that you can find a replacement battery on the internet or at your local auto parts store since the batteries aren't limited to key fobs.
Depending on the type of key fob you have, there are different ways to open it and gain access to the inside. A quick internet search should reveal what kind of key fob yours is and the type of battery it takes. You can then buy a new one, take the old one out, and then insert the new one into.
The biggest concern when repairing a broken car key fob is that you don't want to damage the circuit board or buttons any further. If you attempt to pry off the key fob with a screwdriver or other hard edge, it could break the plastic or break the case. A replacement case isn't much and you can purchase the entire fob including the electronics on eBay or Amazon for under $40.
So, if your key fob doesn't work Check to see if the batteries are depleted or whether the circuit board has been damaged. If this isn't the situation, a professional could repair it quickly and cheaply. If not, it might be time to replace the fob. Make sure you check the warranty of any replacement or used fobs that you purchase online.