How to Repair key fob repairs
Although we put them through numerous times keys aren't impervious to destruction. In fact, they can break down in many different ways.
Other issues can be more serious than the battery being dead. Fortunately, many of these issues can be solved by making a quick DIY fix at home.
Dead Battery
A dead battery is probably the most common reason the car key fob stop functioning. Fob batteries can deplete quickly, especially when they are exposed or humid temperatures or water. Keep an extra battery in your wallet in case you require it.
The LED light will usually cease to blink when the battery in the car key fob is running low. It's also possible that the fob won't work from the same distance it did in the past. In this scenario, it may be necessary to re-program the key fob or replace it completely.
Fortunately replacing the car key fob battery is a simple task. Find out the type of battery that is used. The type should be engraved on the side of the fob. If you are not sure, a quick Google search will be helpful. The key fob can be opened along the seam after you've identified the battery type. Use a flathead screwdriver, or your fingernail to break the two halves. Then, remove the old battery and insert a new one in its place. Be sure to insert the new battery with the positive (+) side facing towards the buttons on the fob.
Some drivers don't even realize that their fob has gone out of service until they lock or unlock their car and the buttons stop working. In some cases, this can be solved by reprogramming the fob, but that can be costly and time-consuming. You can also call roadside assistance to see whether they are able to restart your car and get it back on the road.
If you have tried both of these solutions and your car still won't start then it's time to call an expert. A certified technician can determine if your car's computer system needs to be reprogrammed or the fob simply requires a new battery. They can also suggest an auto shop that will replace the key fob. In the end, though, sometimes a brand new fob is the most effective solution.
Damaged Circuit Board
A key fob can take some physical abuse and is not indestructible. Battery, circuit board and buttons are all subject to wear and tear. It is crucial to take care of these parts to ensure that your key fob is in good working order.
Check that the battery is still working in your key fob. Replace the battery to determine if it resolves your issue. If this doesn't work, you may need to open the fob and clean its contact surfaces. It is sometimes difficult to open certain key fobs because they don't have an easy release mechanism. You can damage your 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.
A damaged or defective key fob circuit board is a common problem. This can be caused by various factors, such as moisture or dirt that gets into the battery compartment, software issues or even an unintentional firmware update. If your key fob isn't working completely, you should think about having it reprogrammed by a locksmith that specializes in this kind of work.
Radio interference is another possibility. It could happen if are other wireless devices transmitting on the same frequency as your key fob, such a radar detectors and home security systems. If this is the case, you should consult with other device manufacturers to make sure that your key fob isn't being affected by their signals.
You may also need to replace a switch or an electrical component in your key fob. You can find online guides that will help you fix this yourself. It's important to be careful when doing this because the circuit boards that are inside your key fob are small and are susceptible to breaking when handled rough. If you're doing this yourself, ensure you use an SMT switch of good quality and solder the switch in the correct position.
Out Buttons Out Buttons
Car key fobs are prone to quite a bit of wear and tear. They are susceptible to being dropped and spend a lot of time being tossed around in your purse or pocket. Sometimes, this jostling can cause buttons to wear out or become stuck. Simple adjustments can resolve the problem.
Most modern key fobs have sensors that detect when they've been used. They're designed to do this because they can help decrease the chance of someone stealing your car. 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 electronic circuit inside that transmits signals to the 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 might not unlock your vehicle or start the engine. This kind of damage is typically caused by water or blunt force.
If you have to press the buttons harder than usual in order to get them to function the key fob's buttons are wearing out. Your fob could also stop 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 access your car. They can determine if your key fob is damaged, or if the cylinder of your ignition is worn out.
Fortunately, most car keyfob problems aren't complicated or serious. Keep a spare key fob in your vehicle at all times to avoid being shocked by a malfunctioning key. You won't be left stranded because of a malfunctioning or lost key. Of course, if you do happen to lose your car key spare, a locksmith will be able to rekey it to ensure it is compatible with the ignition in your car. They can also fix any internal damage to your key fob.
Broken Case
A key fob's case 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 press the button on your key fob. The board transmits the signal from your key fob to your car.
Your key fob will not work if the board is damaged. Sometimes a dead key fob 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 dead. The battery can be replaced at home. The good news is that you can find an alternative battery on the internet or at your local auto parts store since these batteries aren't exclusive to key fobs.
There are many ways to open up the key fob and go inside, based on the type. A quick internet search should reveal what kind of key fob you have and what kind of battery it requires. You can then purchase a new replacement and pop the old one out and then put the new one into.
When repairing a broken key fob, the most important concern is not to damage the circuit or buttons in any way. If you attempt to remove the key fob using an edge that is sharp like a screwdriver could break the case or crack the plastic. A replacement case is inexpensive and you can purchase an entire fob, including the electronics on eBay or Amazon for under $40.
If your key fob does not function, make sure you've damaged the circuit board or the batteries. If that's not the case, a professional can repair it for you quickly and inexpensively. If not, it might be time to replace the fob. Make sure you check the warranty on any replacement or used fobs that you purchase on the internet.