How to Repair Car Key Fobs
Although we test them a lot keys are not indestructible. They can actually break down in a variety of ways.
While the most common problem is an unresponsive battery however, other issues could be more serious. Luckily, most 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 drain quickly, particularly if they're exposed to extreme conditions like humidity, temperatures or even water. It's a good idea to keep an extra battery in your wallet just in case.
The LED light will generally stop blinking when the battery in your car key fob is low. The fob might be unable to function from the same distance it was previously working to. In this scenario it could be necessary to re-program the key fob or replace it altogether.
It is simple to replace a car keyfob battery. First, determine what kind of battery is used. The type should be embossed on the side of the fob. If you are not sure it is, a quick Google search can help. Once you have found the battery type and the key fob, you can open it at the junction. You will need to use a small flathead screwdriver or even your fingernail break the two halves. Remove the old battery and replace it with a brand new one. 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 try to lock or unlock their car and the buttons aren't responding. This can be corrected by reprogramming your fob. However, it can be costly and time-consuming. You can also contact roadside assistance to determine whether they are able to start your car and get it back on the road.
If you've tried all the options and your vehicle still won't start, it's the right time to contact an expert. A certified technician will be able to determine whether your car's computer system needs to be reprogrammed or the fob simply requires a new battery. They can also suggest an auto shop to replace your key fob. Sometimes, however, a new fob may be the best solution.
Circuit Board Damage
Key fobs aren't indestructible, but it is able to withstand a lot of physical damage. The circuit board, battery and buttons are all subject to wear and tear. It is important to take care of these parts to keep your key fob in good working order.
The easiest thing to check is that the battery in your key fob isn't depleted. Replace the battery to determine if it resolves your problem. If this does not work, you may need to open the fob and clean the contact surfaces. It can be difficult to open certain key fobs because they do not have an easy-release mechanism. car remote key repair near me may harm the fob by trying to break it. You can purchase a specific tool to open your key fob, but you should always follow the manufacturer's instructions to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board in the key fob. It can be caused by various factors like dirt or moisture getting into the battery compartment, software issues or even an unintentional firmware update. If your key fob isn't working completely, consider having it reprogrammed by locksmiths who specialize in this type of work.
Radio interference is a different possibility. It could happen if are other wireless devices operating on the same frequency as your key fob, such radar detectors or home security systems. If this is the case, you should check with the other device manufacturers to make sure that your key fob isn't affected by their signals.
It's also possible that your key fob may have a bad switch or other electrical component that must be replaced. There are online guides that guide you through the process of fixing this yourself. Be cautious when doing this, though because the circuit boards in your key fob are tiny and can break easily when handled rough. If you're doing this yourself, make sure to use a high quality SMT switch and solder it into place properly.
Buttons that are worn out
Car key fobs are susceptible to a lot of wear and wear and tear. They are prone to getting dropped and spend a lot time being jostled in your pocket or purse. This jostling can sometimes cause the buttons to wear out or become stuck. When this happens, a simple adjustment may be all that's needed to restore the button's functionality.
The majority of modern key fobs have sensors that tell if they've been pressed. They're designed to detect 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.
The circuit board in the key fob also sends signals to your car. These signals include commands to unlock and lock and also instructions to start your engine. If the circuit board inside is damaged, then your key fob might not unlock or start your engine. Typically, this type of damage is caused by water, force blunt or a scratch on the circuit board.
If you have to press the buttons harder than usual to make them function, then your key fob buttons are getting worn out. Your fob could be unable to send an alert to your vehicle or have a shorter range.
If you're unable unlock your key fob, unlock or start your car, you need to call a locksmith in your area immediately. They can determine if your key fob is damaged or if the cylinder of your ignition is worn out.
Fortunately, most key fobs for cars problems aren't too difficult or serious. The best way to avoid getting taken by surprise by an issue with your key fob is to keep an extra in your pocket at all times. This will ensure that you're never stuck in a bind due to a lost or malfunctioning key. Of course, if you do happen to lose your spare car key A locksmith can change the key to work with your car's ignition. They can also repair any internal damage to your key fob.
Broken Case
The case of the key fob does more than just protect the batteries and buttons. The case also houses the circuitry that performs all the electrical magic when you press a key fob button. This board takes the signal from your key fob and transmits it to your car.
Your key fob will not work if this board is damaged. A dead key fob might only need to be reprogrammed by a local auto locksmith or dealership.
Batteries could be the reason the key fob's not working. The battery can be replaced at home. The good thing is that you can find the replacement battery on the internet or at a local auto parts store since these batteries aren't exclusive to key fobs.
Depending on the type of key fob you have, there are a variety of ways to open it and gain access to the inside. A quick search online should reveal what kind of key fob yours is and what kind of battery it takes. From there, you can buy an alternative and then simply pop the old one out and put the new one in.
When repairing a broken key fob, the primary concern is not to destroy the circuit or buttons further. If you attempt to pull apart the key fob using a screwdriver or other hard edge, it can crack the plastic or break the case. A replacement case isn't expensive and you can purchase a complete fob assembly including the electronic components on eBay or Amazon for less than $40.
If your key fob won't work, check if you've damaged the circuit board or batteries. If this isn't the case, you can have it repaired quickly and inexpensively by a professional. In the event that it isn't, it's time to invest in an upgrade. Make sure you check the warranty on any fob replacement or used that you purchase online.