How to Repair Read the Full Write-up can become damaged even if we use them often. They are able to be destroyed in various ways.
While the most common issue is a dead battery however, other issues could be more serious. The majority of problems can be fixed with a simple fix at home.
Dead Battery
A dead battery is likely the most common reason the 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 need it.
The LED light will usually stop glowing when the battery in the car key fob is running low. It's also possible that the fob won't work at the same distance it did in the past. In this case it might be necessary to re-program your key fob or replace it completely.
Fortunately, replacing the car key fob battery is easy. First, determine what kind of battery is being used. The type of battery should be stamped on the side of your key fob. If you're not sure it is, a quick Google search will help. Open the key fob along the seam once you've identified the battery type. You'll need small flathead screwdrivers or your fingernail to pry the two halves apart. Then, you can remove the old battery and put 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 the fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. In some instances, this can be solved by reprogramming the fob but that can be costly 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 both of these solutions and your car is still unable to start then it's time for a professional. A certified technician can determine whether your car's computer requires reprogramming, or if the fob only requires a new battery. They may also recommend an auto repair shop that can replace your key fob. Sometimes an entirely new fob could be the best solution.
Damaged Circuit Board
A key fob is not indestructible, but it is able to endure a lot of physical damage. The battery, circuit board and buttons will all experience their fair share of wear and tear over time It is therefore essential to be vigilant and take care of them to keep your car key fob operating efficiently.
The easiest way to test is that the battery in the key fob isn't dying. If it is, replace the battery and see if that fixes your problem. If not, you'll require opening the key fob and clean the contact surfaces. This can be a challenge since some key fobs do not have easy-release mechanisms that allow you to open them and you may harm your device if you try to force it apart. You can purchase a specific tool to open your key fob, however it is recommended to follow the instructions 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 many things, such as moisture or dirt that gets into the battery compartment software problems, or even an accidental firmware update. If your key fob isn't functioning, you might be interested in getting it replaced. This can be done by a locksmith that specializes in this kind of work.
Radio interference is also a possibility. This could happen if there are other wireless devices operating at the same frequency as your key fob, like radar detectors, home security systems. If this is the situation you must get in touch with the manufacturer of the other device to ensure that your key fob will not be 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. There are online guides that help you fix this yourself. It's important to be careful when doing this, as the circuit boards that are inside your key fob are small and are susceptible to breaking when handled rough. If you're doing this yourself, make sure to use a good quality SMT switch and then solder it into place properly.
Buttons that are worn out
Car key fobs are susceptible to a lot wear and wear and tear. They are prone to getting dropped and spend a lot of time being tossed around in your pocket or purse. The jolting can cause buttons to wear out or become stuck. In this case an easy adjustment could be all that's needed to make it work again.
Modern key fobs come with sensors that are able to detect when they have been pressed. This is due to the fact that they decrease the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when you press them, they're damaged and should be replaced.
Key fobs also contain a circuit board inside them that sends signals to the car. These signals include commands to unlock and lock your car, as well as commands to start the engine. If the internal circuit board is damaged, then your key fob might not allow you to unlock or start your engine. Generally, this kind of damage is caused by water, blunt force or something that scratches the circuit board.
You'll notice that the buttons on your key fob are deteriorating if you find yourself pressing more than usual to get them to work. The fob may be unable to send signals to your vehicle or have a shorter range.
Contact a locksmith immediately if you are unable to use your key fob for your car. They'll be able to determine whether the key fob is damaged or if your ignition cylinder has worn out.
Fortunately, most key fobs for cars issues aren't very complicated or even serious. Keep car key fob repair near me in your vehicle always in case you end up being thrown off by a malfunctioning one. This will ensure that you're not left stranded somewhere because of the loss or malfunction of your key. Of course, if you do lose your spare car key, a locksmith can help reset it to ensure it is compatible with the ignition in your car. They'll also be able repair any internal damage that has occurred on the key fob.
Broken Case
The case for your key fob is more than just a place to store the buttons and battery. The case also houses the circuitry that executes all the electrical magic every time you press the button on your key fob. This 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 dead key fob can be reset which is something your local auto locksmith or dealership can assist you with.
Another reason your key fob may not be functioning is that the batteries are dying. This is a simple fix that can be accomplished at home by replacing the battery. You can find the replacement battery from your local auto parts shop or online. These batteries are not just for key fobs.
Depending on the kind of key fob, there are various ways to open it and access the insides. A quick search online should identify the type of key fob you have and the type of battery it uses. From there, you can buy an alternative and then simply pop the old one out and 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 attempt to pull away the key fob with a screwdriver or other hard edge, it could break the plastic or break the case. Fortunately, a replacement case is cheap and you can buy the entire fob and the electronics from 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 this is not the case, you can have it repaired quickly and cheaply by an expert. If not, it may be time to replace the fob. Be sure to check the warranty on any replacement or used fobs that you purchase online.