How to Repair Car Key Fobs
Although we put them through numerous times keys are not impervious to destruction. They can break down in different ways.
The most frequent issue is the battery being dead however, other issues could be more grave. Fortunately, many of them can be resolved by a simple DIY fix at home.
Dead Battery
A dead battery is the main reason for a key fob that is not working. Fob batteries can be drained quickly, especially if 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 generally stop blinking when the battery in the car key fob is low. It is 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 altogether.
It is easy to replace the car keyfob battery. Find out the type of battery that is used. The type of battery you are using should be stamped on the back of your key fob. Google can help in case you're unsure. Once you've identified the kind of battery you want, open the key fob at the junction. Utilize a flathead screwdriver or even your fingernail, to pry apart the two halves. Then, remove the old battery and insert the new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers may not realize their fob is dead until they try to lock or unlock their vehicle and the buttons aren't responding. In some instances this issue can be resolved by reprogramming your fob, however, this can be expensive and time-consuming. Another option is to call roadside assistance and ask them 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 contact a professional. A certified technician can determine whether your car's computer requires reprogramming, or if the fob simply needs an upgrade in battery. They can also recommend an auto shop that will replace the fob that you use to access your car. Sometimes, however, a new fob could be the best option.
Damaged Circuit Board
A key fob can take many physical abuses and is not indestructible. The battery, circuit board and buttons are all susceptible to wear and wear and tear. It is important to take care of these components to ensure your key fob remains in good condition.
Verify that the battery still working on your key fob. If it is then replace the battery and determine if this fixes the issue. If this doesn't work, you may have to open the fob and clean its contact surfaces. This can be difficult because some key fobs don't have easy-release mechanisms to unlock them and you could end up damaging your key fob if try to pull it apart. You can purchase a specific tool for opening your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging it.
Another problem that is frequently encountered is a damaged or corrupted circuit board inside the key fob. This can be due to a number of things, such as dirt or moisture that gets into the battery compartment software, hardware issues, or even an accidental firmware update. If your key fob is not working, you may be interested in having it replaced. This can be done by a locksmith who specializes in this type of work.
Radio interference is a different possibility. It could happen if are other wireless devices that transmit at the same frequency as your key fob, for instance radar detectors, home security systems. If this is the case, you should inquire with the other manufacturers of your device to make sure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob may have an unreliable switch or electrical component that must be replaced. There are online guides that show you how to fix this yourself. Be cautious to be careful, however, since the circuit board that is inside your key fob is small and could easily break if handled roughly. If you do this yourself, be certain to use a top quality SMT switch and then solder it to the correct place.
Buttons that are worn out
Car key fobs can get lots of wear and wear and tear. They are susceptible to being dropped and spend a lot time being jostled in your purse or pocket. Sometimes, this can cause the buttons to become worn out or become stuck. If this happens, a simple adjustment may be all that's needed to make it work again.
The majority of modern key fobs have sensors on them that tell if they've been pressed. They're designed to detect this to lower the risk of theft by someone else of your vehicle. If the buttons on your key fob don't respond when pressed, they are damaged and should be replaced.
Key fobs also have a circuit board inside them which transmits signals to your car. These signals include commands to unlock and lock your car, as well commands to start your engine. If the internal circuit board is damaged, your key fob will not unlock or start your engine. This kind of damage is typically caused by water or blunt force.
If you're forced to press the buttons more than usual to make them function, then your key fob's buttons are wearing out. Additionally the fob might cease transmitting signals to the car or it'll have less range than before.
If you're not able to get your key fob to unlock or start your vehicle, it's crucial to contact a locksmith in your area immediately. key repair 'll be able to tell whether the key fob itself is damaged or the ignition cylinder has worn out.
Fortunately, most key fob issues in cars aren't serious or complicated. Keep a spare key fob in your vehicle at all times to avoid being shocked by a malfunctioning device. This will ensure that you're never left stranded somewhere due to the loss or malfunction of your key. Of course, if you do happen to lose your car key spare, a locksmith can help change the key to work with the ignition of your car. They can also fix any internal damage to your key fob.
Broken Case
The case of a key fob does more than just protect the buttons and batteries. The case also houses the circuitry that does all the electrical magic when you press a key fob button. The circuit board receives the signal from your key fob and sends it to your car.
If the board is damaged or dead, your key fob won't be able to operate. Sometimes, a key fob that is dead may need to be reprogrammed which is something that your local auto locksmith or dealership can assist you with.
Another reason your key fob may not be working is because the batteries are dying. The battery can be replaced at your home. You can purchase a replacement battery at the local auto parts store or on the internet. These batteries aren't only intended for key fobs.
Depending on the type of key fob you have, there are a variety of ways to open it and gain access to the inside. A quick search on the internet will identify the type of key fob yours is and the type of battery it uses. From there, you can buy a replacement and easily pop the old one out, and then the new one in.
If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons in any way. If you try to pry apart the key fob using the screwdriver or another sharp edge, it could break the plastic or damage the case. Fortunately, a replacement case isn't expensive and you can buy a whole fob assembly with the electronics on eBay or Amazon for less than $40.
If your key fob doesn't function, make sure you've damaged the circuit board or the batteries. If this isn't the case, a professional will fix it quickly and cost-effectively. If not, it may be time to replace the fob. Make sure to verify the warranty of any fob replacement or used that you purchase online.