Although we put them through a lot, key fobs are not indestructible. In fact, they are able to be destroyed in a variety of ways.
The most frequent issue is the battery being dead however, other issues could be more serious. The majority of these issues can be resolved with a simple fix at home.
Dead Battery
A dead battery is the main cause of a key fob not working. Fob batteries are known to drain quickly, especially when they are exposed to extreme heat or humid temperatures or even water. Keep an extra battery in your wallet in case you need it.
You can usually tell when your car key fob's battery is depleted because the LED light will cease to glow. It's also possible that the fob won't work from the same distance as it did in the past. In this instance it could be necessary to re-program your key fob or replace it altogether.
Fortunately replacing a car key fob battery is a simple task. Find out the kind of battery used. The type of battery you are using should be stamped on the back of your key fob. If you are not sure, an easy Google search will help. The key fob can be opened along the seam once you've identified the battery type. You will need to use small flathead screwdrivers or your fingernail to break the two halves. Then, take out the battery that was removed and replace it with a new one in its place. Place the new battery in such a way that the positive (+) face is facing the buttons on the fob.
Some drivers might not be aware that their fob is dead until they attempt to lock or unlock their vehicle and the buttons do not respond. This can be fixed by reprogramming the fob. However it could be time-consuming and expensive. Another option is to call roadside assistance and ask them to jump your vehicle and get you back on the road.
If you've tried all the options and your vehicle still won't start, it's the right time to speak with a professional. A trained technician can tell whether your car's computer requires reconfiguring, or if your key fob only requires an upgrade in battery. They can also recommend an auto repair shop that can replace the key fob. In the end, though it is not always the case that a new fob is the best solution.
Circuit Board Damage
The key fob isn't impervious to destruction, but it can endure a lot of physical harm. 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 that your key fob is in good condition.
Make sure that the battery still functioning on your key fob. Replace the battery to see if it fixes your problem. If not, you may need to open the key fob and clean the contact surfaces. It isn't easy to open certain key fobs because they do not have an easy-release mechanism. You can harm your fob by trying take it apart. You can buy a special tool to open your key fob, but you should always follow the instructions of the manufacturer to avoid damaging it.
A damaged or damaged key circuit board for the fob is another common problem. This could be due to numerous factors, such as moisture or dirt getting into the battery compartment. Issues with software or an accidental firmware update can be the cause of this. If your key fob isn't working, you may think about getting it reprogrammed. This can be accomplished by a locksmith that specializes in this type of work.
Radio interference is another possible cause. It could happen if are other wireless devices that transmit on the same frequency as your key fob, like radar detectors, home security systems. If this is the case, inquire with the other device manufacturers to ensure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob is equipped with an unreliable switch or electrical component that needs to be replaced. This is a more difficult fix however, there are online guides that will show you how to do it yourself. It is important to be cautious when you do this, as the circuit boards inside your key fob are tiny and can break easily when handled rough. If you do this yourself, be sure to use a good quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs can get a lot of wear and wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your purse or pocket. This jostling can sometimes cause the buttons to wear out or become stuck. A simple adjustment can fix the problem.
Most modern key fobs come with sensors on them that can detect if they've been pressed. They're designed to detect this because they can help lower the risk of thieves stealing your car. If the buttons on your key fob don't work when you press them, they're damaged and should be replaced.
The circuit board inside the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If your internal circuit board is damaged, then your key fob might not unlock your vehicle or even start the engine. This kind of damage is usually caused by water or blunt force.
If you have to press the buttons more than normal to activate them If this is the case, then your fob's buttons are becoming worn out. Additionally, your fob may stop transmitting a signal to the car or it'll have less range than before.
Contact a locksmith immediately when you're not able to use your key fob for your car. They can tell if the key fob is damaged or if your ignition cylinder is worn out.
Fortunately, the majority of car key fob problems aren't too serious or complex. The best way to avoid getting caught off guard by an unresponsive key fob is to have a spare in your possession at all times. You'll never be caught in the middle due to a malfunctioning or lost key. If you have lost your spare key, an expert locksmith can rekey it to work with your vehicle's engine. They'll also be able to repair any internal damage that may have been caused to your key fob.
Broken Case
The case of your key fob provides more than just protection for the buttons and battery. 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 circuit board relays the signal from your key fob to your car.
If the board is damaged or dead, your key fob won't be able to operate. A dead key fob might require reprogramming by your local auto locksmith, or dealership.
key fob repairs why your key fob may not be functioning is that the batteries are not working. The battery can be replaced at home. You can purchase a replacement battery at your local auto parts shop or on the internet. These batteries are not only for key fobs.
Depending on the type of key fob, there are various ways to open it up and get inside. You can determine what kind of battery your key fob has by conducting a quick online search. You can then buy an alternative and take the old one out and then insert the new one into.
If you are repairing a damaged key fob, the main concern is not to damage the circuit or buttons further. When you try to break a key fob with a sharp edge, such as a screwdriver can cause damage to the case or crack the plastic. Fortunately, a replacement for the case is inexpensive and you can get the entire fob and the electronics on eBay or Amazon for less than $40.
So, if your key fob isn't functioning, check to see if the batteries are depleted or if the circuit board has been damaged. If this isn't the situation, a professional could repair it quickly and inexpensively. If not, it could be the time to purchase a replacement. Make sure you check the warranty of any replacement or used fobs that you purchase on the internet.
