How to Repair Car Key Fobs
Key fobs can be damaged even if we use them frequently. In fact, they can be destroyed in a variety of ways.
While the most common problem is an unresponsive battery, other issues can be much more serious. Most of problems can be fixed by a quick fix at home.
Dead Battery
A dead battery is probably the most common reason why a car key fob stops functioning. Fob batteries can be drained quickly, especially when they're exposed to extreme temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
The LED light will usually cease to blink when the battery in the car key fob is running low. It's also possible that the fob won't work from the same distance it used to. In this instance the key fob might need to be programmed again or replaced entirely.
It is easy to replace the car keyfob battery. First, you need to determine the type of battery is used. The type of battery should be engraved on the back of the fob. Google can help you if you're not sure. Unlock the key fob across the seam after you have identified the battery type. Utilize a flathead screwdriver or your fingernail to separate the two halves. Take the old battery out, and replace it with a new one. Make sure to insert the new battery with the positive (+) side facing up toward the buttons in the fob.
Some drivers aren't aware that their fob has died until they lock or unlock their car, and the buttons no longer work. This can be fixed by reprogramming your fob. However it could be costly and time-consuming. Another option is to call roadside assistance and see if they can jump your vehicle and get you back on the road.
If you've tried all three of these methods and your car is still unable to start, then it's time to contact a professional. relevant site certified technician can determine if the car's computer system needs to be reprogrammed or if the fob requires an upgrade in battery. They can also recommend an auto shop that will replace the fob that you use to access your car. In the end, though it is not always the case that a new fob is the most effective solution.
Damaged Circuit Board
Key fobs aren't indestructible, but it is able to endure a lot of physical damage. The battery, circuit board and buttons are all subject to wear and tear. It is crucial to take care of these parts to ensure your key fob remains in good working order.
The most straightforward thing to do is to make sure the battery in your key fob isn't depleted. Replace the battery to determine if it resolves the issue. 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 to open them, and you can easily damage your fob if you try to force it apart. You can buy a special tool to open your key fob, but it is recommended to follow the manufacturer's instructions to avoid damaging it.
Another problem that is frequently encountered is a damaged or faulty circuit board on the key fob. This can be caused by a number of things, such as moisture or dirt that gets into the battery compartment software problems, or even an accidental firmware update. If your key fob has stopped working, you may be interested in having it changed. This can be done by a locksmith that specializes in this work.
Radio interference is another possible cause. This could happen in the event that you have other wireless devices that transmit on the same frequency, for example, radar detectors or home security systems. If this is the case, you should inquire with the other device manufacturers to make sure that your key fob's signal isn't affected by their signals.
You may also need to replace a switch or other electrical component of your key fob. This is a more difficult fix however, there are guides online that show you how to do it yourself. Be cautious when doing this because the circuit boards in your key fob are tiny and are susceptible to breaking if they are handled roughly. If you do this yourself, make sure to use a high quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs are prone to lots of wear and wear and tear. They're prone to being dropped and often are frequently jostled around in your pocket or purse. The jolting can cause the buttons to wear out or get stuck. Simple adjustments can resolve the issue.
Modern key fobs are fitted with sensors that can detect when they've been hit. They're designed to do this to reduce the likelihood of thieves stealing your car. If the buttons on your key fob don't respond when you press them, they're worn out and need to be replaced.
The circuit board in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well commands to start the engine. If your internal circuit board is damaged, your key fob might not unlock your vehicle or start the engine. This type of damage is usually caused by water or blunt force.
If you're forced to press the buttons more than usual to get them to function, then your fob's buttons are becoming worn out. The fob may not be sending an alert to your vehicle or have a shorter range.
Contact a locksmith immediately when you're not able to use the key fob for your car. They can determine if your key fob is damaged or your ignition cylinder is worn out.
Fortunately, most key fobs for cars issues aren't very complicated or even serious. Keep a spare key fob in your vehicle at all times to avoid being surprised by a malfunctioning key. This will ensure that you're never trapped in a place due to a lost or malfunctioning key. If you do happen to lose your car key spare, a locksmith can help reset it to ensure it is compatible with your car's ignition. They can also fix any internal damage to the key fob.
Broken Case
The case of the key fob does more than protect the batteries and buttons. It also houses the circuit board that is responsible for performing all the electrical magic when you hit the button on your key fob. The board transmits the signal from your key fob to your car.
If this board is damaged or dead your key fob will not be able to operate. Sometimes, a key fob that is dead will just need to be reset which is something that your local auto locksmith or dealership can help you with.
Another reason why your key fob might not be working is that the batteries are not working. The battery can be replaced at your home. The positive side is that you can get a replacement battery on the internet or at your local auto parts shop since the batteries aren't limited to key fobs.
There are many ways to open up a key fob to get inside it, based on the kind. You can find out what kind of battery your key fob uses by doing a quick online search. You can then buy a new one, take the old one out, and then insert the new one in.
The most important thing to consider when fixing the broken car key fob is that you don't want to harm 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 crack the plastic or break the case. A replacement case isn't much and you can purchase a complete fob assembly including the electronics on eBay or Amazon for less than $40.
If your key fob doesn't work, check if you've damaged the circuit board or batteries. If that's not the case, a professional will repair it quickly and cost-effectively. If not, it could be time to replace the fob. Be sure to look for a warranty on any used or replacement fobs you buy online.