How to Repair Car Key Fobs
Key fobs are susceptible to damage even if we use them frequently. They can break down in different ways.
While the most common issue is a dead battery, other issues can be more grave. Most of problems can be fixed with a simple fix at home.
Dead Battery
A dead battery is likely the most common reason the car key fob stop working. Fob batteries can be drained quickly, especially when they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you require it.
It is easy to tell the moment the battery of your car key fob is depleted because the light on the LED will cease to blink. It's also possible that the fob won't function from the same distance as it did in the past. In this case the key fob might require reprogramming or replaced completely.
Fortunately the replacement of the car key fob battery is simple. First, find out what type of battery is used. The type should be embossed on the side of the fob. If you are not sure it is, doing a quick Google search will be helpful. Unlock the key fob along the seam once you've identified the type of battery. Use a flathead screwdriver, or even your fingernail, to break the two halves. Then, take out the old battery and insert an alternative one in its place. Be sure to insert the new battery with the positive (+) side facing up toward the buttons on the fob.
Some drivers might not be aware that their fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. This can be fixed by reprogramming your fob. However, it can be costly and time-consuming. Another option is to call roadside assistance and see if they are able to jump your car and get you back on the road.
If you have tried all of these options but your car won't start and you're not sure why, it's time for an expert. A certified technician can determine if the vehicle's computer system requires reprogramming or if the fob requires a replacement battery. They can also recommend a reputable auto shop to replace your fob's key. Sometimes it is possible that a new fob may be the best solution.
Damaged Circuit Board
A key repairs near me fob is able to withstand a lot of physical abuse and isn't indestructible. The battery, the circuit board and buttons will all experience their fair share of wear and tear over the course of time, so it's important to be vigilant and take care of them to keep your car key fob working well.
The easiest way to test is to make sure the battery in the key fob isn't dying. Replace the battery to see if it solves your issue. If not, you might require opening the key fob and clean the contact surfaces. It can be difficult to open some key fobs because they don't have an easy-release mechanism. You could harm the fob key repair by trying to take it apart. You can purchase a specific tool to open your key fob. But, you must follow the directions of the manufacturer to avoid damaging it.
Another issue that is common is a damaged or corrupted circuit board inside the key fob. It can be caused by various factors, including moisture or dirt getting into the battery compartment. Issues with software or an unintentional firmware update may be the cause for this. If your key fob has stopped working completely, think about having it reprogrammed with a locksmith that specializes in this kind of work.
Radio interference is another possible cause. This could happen if you have other wireless devices around that transmit on the same frequency, like 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 being affected by their signals.
It is also possible to replace a switch or other electrical component in your key fob. This is a difficult fix however, there are online guides that will show you how to do it yourself. Be careful when doing this, however, because the circuit board in the key fob is tiny and is prone to breaking if handled roughly. If you're doing this yourself, be sure to make use of an SMT switch of good quality and solder the switch in place correctly.
Buttons that are worn out
car key repair near me key fobs are prone to a lot of wear and tear. They are prone to being dropped and spend a lot of time jostled around in your purse or pocket. Sometimes, this can cause the buttons to wear out or become stuck. Simple adjustments can resolve the problem.
Modern key fobs are fitted with sensors that are able to detect when they have been hit. They're designed to detect this because they can help decrease the chance of thieves 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 contain an internal circuit board that transmits signals to the car. The signals include commands to unlock and lock, as well as commands where to repair car key remote start your engine. If the circuit board within your vehicle is damaged, your key fob will not be able to unlock or start your engine. This kind of damage is typically caused by blunt force or water.
You'll notice that the buttons on your key fob are wearing out If you're finding yourself pressing the buttons more than usual in order to get them working. The fob may also stop sending a signal to your car or have a smaller range.
If you're not able to get your key fob to unlock or start your car, you need to contact a locksmith near you immediately. They can tell if the key fob is damaged, or if the cylinder in your ignition is worn out.
Luckily, most key fob issues in cars aren't too serious or complex. The best way to ensure you don't get taken by surprise by an issue with your key fob is to have an extra in your pocket at all times. This will ensure that you're not stuck in a bind because of a lost or malfunctioning key. If you do lose your car key repairs spare, a locksmith can help rekey it to ensure it is compatible with the ignition in your car. They can also fix any internal damage to the key fob.
Broken Case
A key fob's case is more than just a place to store the buttons and battery. The case also houses the circuitry that executes all the electrical magic when you press a key fob button. The board transmits the signal from your key fob to your car.
If this board is damaged or dead, your key fob won't be able to function. A dead key fob might only need to be reprogrammed by your local auto locksmith or dealership.
Batteries may be the cause of your key fob not working. The battery can be replaced at your home. The good news is that you can get the replacement battery on the internet or at your local auto parts store since these batteries are not exclusive to key fobs.
Depending on the type of key fob you have, there are different ways to open it up and get inside. A quick internet search should show you which type of key fob you have and the type of battery it takes. From there, you can purchase a replacement and easily pop the old one out, and then the new one in.
The main concern when you repair a broken car key fob is that you don't want to damage the circuit board or buttons any further. If you attempt to remove a key fob with a sharp edge, such as a screwdriver could damage the case or even crack the plastic. Fortunately, a replacement case isn't expensive and you can buy the entire fob and the electronic components from eBay or Amazon for less than $40.
If your key fob won't work, you should check if you've damaged the circuit board or the batteries. If this isn't the situation, you can get it repaired quickly and easily by a professional. Otherwise, it might be the time to purchase an upgrade. Make sure to verify the warranty on any fob replacement or used purchased online.