How to Repair Car Key Fobs
Even though we test them numerous times keys are not indestructible. They can actually break down in different ways.
Other issues could be more important than a dead battery. Many of these issues can be resolved with a simple fix at home.
Dead Battery
A dead battery is likely the most common reason a car key fob stops working. Fob batteries tend to drain quickly, especially when they are exposed to hot or humid temperatures or water. Keep an extra battery in your wallet in case you need it.
It is easy to tell that the battery in your car key fob is dying because the LED light will cease to glow. The fob may also stop working at the same distance it was previously working to. In this instance it might be necessary to reprogram the key fob or even replace it entirely.
It is easy to replace the car keyfob battery. Find out the type of battery used. The type should be embossed on the side of the fob. Google can help in case you're unsure. The key fob can be opened along the seam after you have identified the type of battery. You'll need a small flathead screwdriver or even your fingernail break the two halves. Remove the old battery, and replace it with a brand new one. 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 no longer work. In some cases, this can be solved by reprogramming your fob, however, this can be expensive and time-consuming. You can also call roadside assistance to see if they are able to jumpstart your vehicle and get it back on the road.
If you have tried all of these options and your car still won't start and you're not sure why, it's time to contact a professional. A certified technician can determine if your car's computer system needs reprogramming or the fob simply requires an upgrade in battery. They can also recommend a reputable auto shop to replace your fob's keys. Sometimes, however, a new fob may be the best solution.
Damaged Circuit Board
A key fob is able to withstand a lot of physical abuse and isn't indestructible. The battery, circuit board and buttons will all experience their fair share of wear and tear over time and it's crucial to be vigilant and take care of them in order to keep your car key fob working well.
The easiest thing to check is that the battery in your key fob isn't depleted. If it is then replace the battery and determine if this fixes the issue. If not, you may need to open the key fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms that allow you to open them up, and you can easily end up damaging your key fob if attempt to break it. You can purchase a specific tool to open your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging the.
A damaged or damaged key fob circuit board is another common problem. It can be caused by many things, including dirt or moisture getting into the battery compartment. Issues with software or an unintentional firmware update may also cause this. If car key fob repair has stopped functioning completely, you should think about having it reprogrammed by an expert locksmith who specializes in this kind of work.
Radio interference is another possibility. This can occur in the event that you have other wireless devices around that transmit at the same frequency, such as radar detectors or home security systems. If this is the case, you should check with the other manufacturers of your device to ensure that your key fob's signal isn't affected by their signals.
It is also possible to replace a switch or another electrical component inside your key fob. This is a harder fix however, there are guides online that explain how to do it yourself. You should be careful when doing this, however, because the circuit board inside the key fob is tiny and is prone to breaking if handled roughly. If you're doing this yourself, make certain to use a top quality SMT switch and then solder it into place properly.
Out Buttons Out Buttons
Car key fobs are prone to a lot wear and wear and tear. They are more prone to being dropped and spend a lot of time being tossed around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or snagged. In this case it's possible that a simple adjustment will be all it takes to make it work again.
The majority of modern key fobs have sensors that detect when they've been used. This is due to the fact that they decrease the chances of someone stealing your vehicle. If the buttons on your key fob don't work when you press them, they're worn out and should be replaced.
The circuit board inside the key fob transmits signals to your car. These signals include unlock and lock commands, as well as commands to start your engine. If your internal circuit board is damaged, then your key fob might not be able to unlock your vehicle or even start the engine. Generally, this kind of damage is caused by water, blunt force or something that scratches the circuit board.
If you have to press the buttons harder than usual to get them to function the key fob's buttons are getting worn out. The fob may be unable to send signals to your car or have a smaller range.
If you're unable unlock your key fob, unlock or start your car, you need to find an emergency locksmith in your area. They can determine if the key fob is damaged or if the cylinder in your ignition is worn out.
Fortunately, most key fob issues in cars aren't a major or difficult issue. The best way to ensure you don't get caught off guard by an issue with your key fob is to have an extra key in your possession at all times. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. Of course, if you do lose your car key spare, a locksmith will be able to change the key to work with the ignition in your car. They can also repair any internal damage to your key fob.
Broken Case
The case of your key fob does more than just protect the battery and buttons. The case also houses the circuitry that executes all the electrical magic every time you press the button on your key fob. The circuit board relays the signal from your keyfob to your car.
If this board is damaged or dead, your key fob won't be able to function. A key fob that is dead may require reprogramming by your local auto locksmith or dealer.
Another reason your key fob might not be working is that the batteries are not working. This is a quick fix that can be accomplished at home by replacing the battery. You can purchase an alternative battery at the local auto parts store or on the internet. These batteries are not just for key fobs.
There are several ways to open up the key fob and go inside it, depending on the type. You can find out what type of battery your key fob has by doing a quick online search. You can then purchase a new replacement and pop the old one out and then put the new one into.
When fixing a damaged key fob, the most important concern is not to damage the circuit or buttons further. If you attempt to pull away the key fob with an instrument like a screwdriver or any other sharp edge, it could crack the plastic or break the case. Fortunately, a replacement for the case is inexpensive and you can purchase an entire fob with the electronic components from eBay or Amazon for less than $40.
If your key fob isn't working, check to see if the batteries are depleted or whether the circuit board has become damaged. If this isn't the case, you can have it repaired quickly and inexpensively by a professional. If not, it could be time to invest in an upgrade. Make sure you check for a warranty on any replacement or used fobs you buy on the internet.