How to Repair Car Key Fobs
Although we put them through many a times, key fobs are not indestructible. They can actually be destroyed in different ways.
While the most common issue is an unresponsive battery however, other issues could be much more grave. The majority of these issues can be solved with a quick fix at home.
Dead Battery
A dead battery is the main reason for a key fob that is not working. Fob batteries tend to drain quickly, particularly if they are exposed to hot or cold temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
The LED light will usually stop blinking when the battery in your car key fob is low. The key fob could also stop working at the same distance it was previously working to. In this case it might be necessary to reprogram the key fob or even replace it entirely.
Fortunately, replacing a car key fob battery is simple. Find out the type of battery used. The type of battery should be engraved on the side of your key fob. If you are not sure it is, an easy Google search can help. Unlock the key fob along the seam once you've identified the battery type. You'll need a small flathead screwdriver or even your fingernail to pry the two halves apart. Then, take out the old battery and insert an alternative one in its place. Make key repair near me to insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.
Some drivers may not be aware the fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. This can be corrected by reprogramming your fob. However it can be time-consuming and expensive. Another option is to contact roadside assistance and ask them to jump your vehicle and get you back on the road.
If you've tried both solutions and your car still doesn't start, it's time to call an expert. A certified technician can determine if your car's computer system needs reprogramming or if the fob requires an upgrade in battery. They can also suggest an auto repair shop that can replace your key fob. Sometimes it is possible that a new fob may be the best option.
Damaged Circuit Board
A key fob can take many physical abuses and is not indestructible. The circuit board, battery and buttons are all subject to wear and tear. It is essential to take care of these parts to ensure your key fob remains in good condition.
The easiest way to test is to ensure that the battery inside the key fob isn't dying. Replace the battery to determine if it resolves your problem. If not, you'll need to open the key fob and clean the contact surfaces. It can be difficult to open certain key fobs since they don't have an easy release mechanism. You could harm your fob by trying break it. You can purchase a special tool for opening your key fob. However, you should adhere to the guidelines of the manufacturer to avoid damaging it.
Another issue that is common is a damaged or damaged circuit board inside the key fob. This can be due to a number of things like moisture or dirt that gets into the battery compartment software problems or even an accidental firmware update. If your key fob isn't functioning completely, you should think about having it reprogrammed with a locksmith that specializes in this type of work.
Radio interference is also a possibility. This can occur if you have other wireless devices that transmit on the same frequency, for example, radar detectors or home security systems. If this is the situation you must contact the other device manufacturer to make sure that your key fob won't be affected by their signals.
There may be a need to replace a switch or other electrical component in your key fob. This is a more difficult fix, but you can find guides online that show you how to do it yourself. Be cautious when doing this, however, because the circuit board that is inside your key fob is small and can easily break if handled roughly. If you're doing this yourself, ensure you make use of an SMT switch that is of high-quality and put the switch in the correct position.
Buttons that are worn out
Car key fobs can suffer lots of wear and tear. They're prone to being dropped and often are frequently jostled around in your pocket or purse. The constant jostling can cause buttons to wear out or become stuck. A simple adjustment can solve the problem.
Most modern key fobs come with sensors on them that can tell if they've been pressed. They're made 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 aren't responding when pressed, they are damaged and should be replaced.
Key fobs also have an electronic circuit inside which transmits signals to your car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If the circuit board within your vehicle is damaged, your key fob may not allow you to unlock or start your engine. This kind of damage is typically caused by water or blunt force.
If you're having to press the buttons more than usual in order to activate them If this is the case, then your fob's buttons are becoming worn out. Additionally the fob might stop sending a signal to the car, or have a lower range than it did before.
If you're unable to get your key fob to unlock or start your vehicle, it's crucial to call a locksmith near you immediately. They'll be able determine whether the key fob is damaged or your ignition cylinder is worn out.
Fortunately, the majority of car key fob issues aren't a major or difficult issue. Keep an extra key fob in your vehicle always in case you end up being surprised by a malfunctioning device. You won't be left stranded because of an unresponsive or lost key. Of course, if you do happen to lose your car key spare A locksmith can change the key to ensure it is compatible with your car's ignition. They'll also be able to repair any internal damage that's been caused to the key fob.
Broken Case
The case of the key fob is more than protect the buttons and batteries. The case also houses the circuitry that does all the electrical magic when you press the button on your key fob. This board takes the signal from your key fob and sends it to your car.
If this board is damaged or dead, your key fob won't be able to operate. A key fob that is dead may require reprogramming by your local auto locksmith or dealership.
Another reason your key fob might not be functioning is that the batteries are not working. 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, there are a variety of ways to open it and get inside. A quick search on the internet will reveal what kind of key fob yours is and the type of battery it requires. You can then buy a new replacement and pop the old one out and then insert the new one in.
The biggest concern when repairing an old car key fob is that you don't want to cause damage to the circuit board or buttons any further. Trying to pry apart the fob using a hard edge like a screwdriver could cause damage to the case or damage the plastic. Luckily, a replacement case is inexpensive and you can purchase a whole fob assembly with the electronics from eBay or Amazon for less than $40.
If your key fob won't function, make sure you have damaged the circuit board or the batteries. If that's not the case, a professional will repair it for you quickly and cost-effectively. If not, it may be time to replace the fob. Make sure to verify the warranty on any replacement or used fobs purchased online.