How to Repair Car Key Fobs
Key fobs are susceptible to damage, even if we use them a lot. They can actually be destroyed in various ways.
Other issues can be more serious than an unresponsive battery. Many of these issues can be resolved with a quick fix at home.
Dead Battery
A dead battery is the most common reason for a key fob that is not working. Fob batteries are known to drain quickly, especially when they are exposed to hot or cold temperatures, humidity or water. It is a good idea to keep an additional fob battery in your wallet in case.
The LED light will usually stop glowing when the battery in the car key fob is low. The key fob could be unable to function from the same distance that it used to. In this case the key fob might need to be programmed again or replaced completely.
Fortunately, replacing the battery in a car key fob is simple. First, find out what kind of battery is being used. The type of battery you are using should be embossed in the side of your key fob. If you're unsure then a quick Google search will be helpful. Once you've found the kind of battery you want and the key fob, you can open it near the seam. You will need to use a small flathead screwdriver or even your fingernail to pry the two halves apart. Remove the old battery, and replace it with a new one. Place the new battery in such a way 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 car and the buttons aren't responding. In some instances, this can be solved by reprogramming the fob however, this can be expensive and time-consuming. You can also call roadside assistance to see if they are able to jumpstart your vehicle and get it back on the road.
If you've tried both of these solutions and your car still won't start then it's time for a professional. A trained technician can tell the computer in your car needs reprogramming, or if the fob simply needs a new battery. car key fob repairs near me can also recommend a reliable auto repair shop to replace your key fob. In the end, sometimes a brand new fob is the most effective solution.
Damaged Circuit Board
A key fob is not indestructible, but it can withstand a lot of physical harm. Battery, circuit board and buttons are all susceptible to wear and wear and tear. It is crucial to take care of these components to ensure your key fob remains in good condition.
The most straightforward thing to do is to make sure the battery in the key fob isn't dying. Replace the battery to see if it solves the issue. If this does not work, you may need to open the fob and clean the contact surfaces. It is sometimes difficult to open some key fobs because they do not have an easy-release mechanism. You may damage your fob by trying to force it apart. You can buy a tool to open 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 damaged circuit board on the key fob. It can be caused by various factors, including moisture or dirt getting into the battery compartment. Software issues or an accident firmware update could be the cause for this. If your key fob isn't working, you may think about having it changed. This can be accomplished by a locksmith that specializes in this type of work.
Radio interference is a different possibility. It could happen if are other wireless devices that transmit on the same frequency as your key fob, like radar detectors or home security systems. If this is the case, you should check with the other manufacturers of your device to ensure that your key fob isn't affected by their signals.
It is also possible to replace a switch or other electrical component of your key fob. This is a more difficult fix, but you can find online guides that will show you how to do it yourself. It's important to be careful when doing this, as the circuit boards that are inside your key fob are small and easily break if they are handled roughly. If you're doing this yourself, make certain to use a top quality SMT switch and then solder it into place properly.
Buttons that are worn out
Car key fobs are prone to a lot wear and tear. They're susceptible to being dropped and spend a lot of time being tossed around in your purse or pocket. The constant jostling can cause the buttons to wear down or get stuck. In this case it's possible that a simple adjustment will be all that's needed to get it working again.
Most modern key fobs come with sensors that detect if they've been pressed. They're designed to do this because they can help decrease the chance of theft by someone else of your vehicle. If the buttons on your key fob don't respond when you press them, they're worn out and need to be replaced.
Key fobs also have an internal circuit board which transmits signals to your car. These signals include commands to unlock and lock your car, as well as commands to start the engine. If your internal circuit board is damaged, your key fob may not allow you to unlock your car or start the engine. Generally, this kind of damage is caused by water, blunt force or a scratch on the circuit board.
If you have to press the buttons more than normal to get them to function, then your key fob buttons are wearing out. Additionally your fob could cease transmitting signals to the car or it'll have less range than before.
If you're unable get your key fob to unlock or start your car, you need to contact a locksmith near you immediately. They can tell if the key fob is damaged, or if the cylinder of your ignition is worn out.
Fortunately, most car key fob issues aren't serious or complicated. Keep an extra key fob in your vehicle at all times to avoid being surprised by a malfunctioning one. This will ensure that you're not stuck in a bind due to an unreliable or lost key. If you do lose your car key spare, a locksmith will be able to change the key to ensure it is compatible with the ignition of your car. They can also fix any internal damage to the key fob.
Broken Case
The case of the key fob is more than just protect the buttons and batteries. It also houses the circuit board responsible for doing all of the electrical magic when you hit a button on your key fob. The circuit board relays the signal from your keyfob to your car.
If the board is damaged or dead, your key fob won't be able to function. Sometimes, a dead key fob may need to be reprogrammed which is something your local auto locksmith or dealership can assist you with.
Another reason your key fob may not be working is because the batteries are not working. The battery can be replaced at home. The good news is that you can get the replacement battery on the internet or at your local auto parts store since these batteries aren't exclusive to key fobs.
Depending on the type of key fob, there are various ways to open it up and gain access to the inside. You can determine what type of battery your key fob uses by doing a quick online search. From there, you can purchase the replacement and simply take the old one out and put the new one in.
The main concern when you repair a 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 an instrument like a screwdriver or any other sharp edge, it could crack the plastic or break the case. A replacement case is inexpensive and you can find a complete fob assembly including the electronic components on eBay or Amazon for under $40.
If your key fob doesn't work look into whether the batteries are dead or if the circuit board is damaged. 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. Just be sure to check for a warranty on any replacement or used fobs that you purchase online.