How to Repair Car Key Fobs
Even though we use them many a times, key fobs are not indestructible. In fact, they could break down in a variety of ways.
While the most common problem is a dead battery however, other issues could be much more grave. Fortunately, many of these issues can be solved with a quick DIY fix at home.
Dead Battery
A dead battery is probably the most frequent reason a car key fob stops functioning. Fob batteries are prone to draining quickly, especially if they're exposed to extreme temperatures, humidity, or water. Keep an extra battery in your wallet in case you require it.
It is easy to tell the moment the battery in your car key fob is depleted because the LED light will cease to blink. The key fob could also stop working at the same distance it was previously working to. In this instance, the key fob may need to be reprogrammed or replaced altogether.
Fortunately, replacing a car key fob battery is a simple task. Find out the kind of battery used. The type should be embossed on the back of the fob. If you are not sure then an easy Google search can help. Once you have found the battery type, open the key fob near the seam. Make use of a flathead screwdriver or your fingernail to break the two halves. Remove the old battery, and replace it with a new one. Then, insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers don't realize that their fob has died until they lock or unlock their car and the buttons stop working. In some instances this issue can be resolved by reprogramming your fob, however, it can be costly and time-consuming. You can also call roadside assistance to find out if they are able to jumpstart your car and get it back on the road.
If you've tried all of these options and your car still won't start then it's time to contact an expert. A trained technician can tell if your car's computer needs changing its programming, or if the fob simply needs replacement batteries. They may also recommend an auto repair shop that can replace the fob that you use to access your car. Sometimes it is possible that a new fob could be the best solution.
Circuit Board Damage
The key fob isn't impervious to destruction, but it can withstand a lot of physical damage. The battery, circuit board and buttons are all susceptible to wear and tear. It is crucial to take care of these parts to keep your key fob in good condition.
Check that the battery is still functioning on your key fob. If it is, replace the battery and determine if this fixes the problem. If this doesn't work, you might need to open the fob and clean its contact surfaces. This can be tricky since some key fobs do not have a release mechanism that is easy to unlock them, and you can easily end up damaging your key fob if attempt to break it. You can purchase a special tool to open your key fob, however you should always follow the manufacturer's instructions to avoid damaging it.
A damaged or corrupted key circuit board for the fob is another common problem. This can be caused by many things, including dirt or moisture getting into the battery compartment. Software issues or an accident firmware update could also cause this. If your key fob has stopped working, you may want to consider getting it changed. This can be done by a locksmith that specializes in this kind of work.
Radio interference is another possible cause. This can happen if there are other wireless devices that transmit on the same frequency as your key fob, like a radar detectors and home security systems. If this is the case you need to get in touch with the manufacturer of the other device to make sure that your key fob won't be affected by their signals.
It's also possible that your key fob is equipped with an issue with the switch or another electrical component that needs to be replaced. This is a difficult fix, but you can find guides online that show you how to fix it yourself. It's important to be careful when you do this, as the circuit boards inside your key fob are small and easily break if they are handled roughly. If you decide to do this yourself, make sure to use a good quality SMT switch and then solder it to the correct place.
In a state of wear Out Buttons
Car key fobs can get a lot of wear and wear and tear. They're prone to being dropped, and they often spend a lot of time jostled around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or become stuck. When this happens an easy adjustment could be all it takes to make it work again.
Modern key fobs are fitted with sensors that can detect when they've been press. This is because they reduce the chances of someone stealing your vehicle. If the buttons on your key fob don't respond when pressed, they are worn out and need to 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 circuit board inside your vehicle is damaged, then your key fob may not unlock your vehicle or start the engine. This kind of damage is typically caused by water or blunt force.
You'll notice that the buttons on your key fob are wearing out if you find yourself pressing the buttons more than usual to get them to function. The fob may not be sending a signal to your car or have a smaller range.
Contact a locksmith immediately in the event that you are not able to use the key fob to start your car. They can tell if the key fob is damaged or the cylinder in your ignition is worn out.
Luckily, most car key fob problems aren't serious or complicated. The best way to avoid being taken by surprise by an unresponsive key fob is to have an extra key in your possession at all times. You won't be left stranded due to a malfunctioning or lost key. If you do lose your spare car key, a locksmith will be able to change the key to ensure it is compatible with your car's ignition. They can also fix any internal damage to the key fob.
look what i found for your key fob is more than just a place to store the battery and buttons. The case also houses the circuitry that does all the electrical magic when you press a key fob button. The circuit board relays the signal from your key fob to your car.
Your key fob will not work if the board is damaged. Sometimes, a key fob that is dead can be reprogrammed which is something your local auto locksmith or dealership can assist you with.
Another reason why your key fob may not be working is that the batteries are not working. The battery can be replaced at your home. The good news is that you can get an alternative battery online or at your local auto parts shop since these batteries are not exclusive to key fobs.
There are many ways to open a key fob and get inside it, depending on the type. A quick search on the internet will show you which type of key fob you have and what kind of battery it takes. You can then buy a new one, take the old one out, and put the new one into.
When repairing a broken key fob, the primary concern is not to destroy the circuit or buttons further. If you attempt to pull off the key fob with an instrument like a screwdriver or any other sharp edge, it can crack the plastic or break the case. Luckily, a replacement case is inexpensive and you can get the entire fob and the electronic components from eBay or Amazon for less than $40.
If your key fob won't work, you should check if you've damaged the circuit board or the batteries. If this is not the case, you can have it repaired quickly and easily by a professional. If not, it could be time to replace the fob. Just be sure to check for a warranty on any used or replacement fobs you buy on the internet.