How to Repair Car Key Fobs
Even though we put them through a lot keys aren't indestructible. They are able to break down in various ways.
While the most common issue is an unresponsive battery but other issues can be much more grave. Fortunately, the majority of these can be fixed with a quick DIY fix at home.
Dead Battery
A dead battery is likely the most common reason why the car key fob stops functioning. Fob batteries tend to drain quickly, especially if they are exposed to hot or humid temperatures or water. It's a good idea to keep an extra fob battery in your wallet just in case.
The LED light will generally stop glowing when the battery in the car key fob is running low. The fob may also stop working from the same distance that it used to. In this case the key fob could need to be reprogrammed or replaced entirely.
Fortunately the replacement of the car key fob battery is simple. Find out the type of battery used. The type of battery should be stamped on the back of your key fob. Google can help when you're not sure. The key fob can be opened across the seam after you've identified the battery type. You will need to use an small screwdriver with a flat head or even your fingernail to pry the two halves apart. Then, take out the old battery and insert an alternative 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 may not be aware their fob is dead until they try to lock or unlock their vehicle and the buttons do not respond. In some instances this problem can be resolved by reprogramming the fob, but that can be costly and time-consuming. You can also contact roadside assistance to find out whether they are able to jumpstart your car and get it back on the road.
If you have tried all of these options but your car won't start, then it's time for an expert. A certified technician will be able to determine if the car's computer system needs reprogramming or if the fob needs a new battery. They will also suggest a reputable auto repair shop to replace your key fob. In the end, though sometimes, a brand new fob is the best solution.
Damaged Circuit Board
A key fob is not impervious to destruction, but it can withstand a lot of physical harm. The battery, circuit board buttons, and other components all suffer their fair amount of wear and tear over the course of time and it's crucial to be aware and take care of them to ensure that your car key fob functioning well.
Verify that the battery still working on your key fob. If it is then replace the battery and determine if this fixes the issue. If this does not work, you might need to open the fob and clean the contact surfaces. This can be a challenge since some key fobs don't have easy-release mechanisms that allow you to open them up and you could damage your fob if you attempt to break it. key fob repairs near me can purchase a specific tool for opening your key fob. However, you should follow the directions of the manufacturer to avoid damaging it.
Another common problem is a damaged or damaged circuit board inside the key fob. This can be due to a number of things, such as dirt or moisture that gets into the battery compartment, software issues or even an unintentional firmware update. If your key fob is not functioning, you might be interested in having it replaced. This can be done by a locksmith who specializes in this work.
Radio interference is also a possibility. It could happen if are other wireless devices that transmit on the same frequency your key fob, such radar detectors, home security systems. If this is the case, you should consult with other manufacturers of your device to make sure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob may have an issue with the switch or another electrical component that needs to be replaced. There are online guides that show you how to fix this yourself. You should be careful, however, as the circuit board that is inside your key fob is small and is prone to breaking if handled roughly. If you're doing this yourself, ensure you make use of an SMT switch that is of high-quality and then solder the switch into place correctly.
Buttons that are worn out
Car key fobs can suffer quite a bit of wear and tear. They are prone to being dropped and often spend a lot of time jostled around in your purse or pocket. Sometimes, this jolting can cause the buttons to become worn out or become stuck. In this case, a simple adjustment may be all it takes to make it work again.
Modern key fobs come with sensors that can detect when they've been hit. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob don't work when pressed, they are damaged and should be replaced.
Key fobs also contain an electronic circuit inside that transmits signals to the car. These signals include commands to unlock and lock your car, as well commands to start the engine. If your internal circuit board is damaged then the key fob you have may not be able to unlock your vehicle or start the engine. Generally, this kind of damage is caused by water, force blunt, or something scratching the circuit board.
If you're forced to press the buttons more than usual to activate them the fob's buttons are getting worn out. Additionally, your fob may cease transmitting signals to the car or have a lower range than it did before.
Contact a locksmith immediately if you are not able to use your key fob to access your vehicle. They'll be able to tell whether the key fob itself is damaged or the ignition cylinder is worn out.

Fortunately, the majority of car key fob issues aren't serious or complicated. Keep an extra key fob in your vehicle at all times to avoid being thrown off by a malfunctioning one. You won't be left stranded because of an unresponsive or lost key. If you do lose your spare car key A locksmith can reset it to work with the ignition in your car. They'll also be able repair any internal damage that's been caused to your key fob.
Broken Case
The case of the key fob is more than just protect the buttons and batteries. The case also houses the circuitry that executes all the electrical magic every time you press the key fob button. The circuit board relays the signal from your keyfob to your car.
If the board is damaged or dead the key fob won't be able to operate. A dead key fob might only need to be reprogrammed by a local auto locksmith, or dealership.
Batteries could be the cause your key fob's battery not working. The battery can be replaced at your home. The positive side is that you can find the replacement battery on the internet or at a local auto parts store since these batteries are not exclusive to key fobs.
There are a variety of ways to open a key fob and get inside it, based on the kind. You can find out what kind of battery your key fob is using by conducting a quick online search. You can then purchase a new one, take the old one out, and put the new one into.
When repairing a broken key fob, the most important concern is not to destroy the circuit or buttons in any way. If you attempt to pull off the key fob with a screwdriver or other hard edge, it could break the plastic or damage the case. Fortunately, a replacement for the case is cheap and you can purchase a whole fob assembly with the electronics from eBay or Amazon for less than $40.
If your key fob doesn't work, you should check if you have damaged the circuit board or batteries. If this isn't the case, a professional will repair it quickly and inexpensively. In the event that it isn't, it's time to invest in an upgrade. Be sure to check the warranty of any fob replacement or used that you purchase online.