How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them often. They can actually break down in different ways.
Other issues can be more serious than an unresponsive battery. Most of these issues can be resolved with a simple fix at home.
Dead Battery
A dead battery is the most frequent cause of a key fob that is not working. Fob batteries can deplete quickly, especially if they are exposed to extreme heat or humid temperatures or water. Keep an extra battery in your wallet in case you need it.
The LED light will typically stop glowing when the battery in the car key fob is low. It's also possible that the fob won't function from the same distance as it used to. In this case the key fob might need to be programmed again or replaced altogether.
Fortunately the replacement of the battery in a car key fob is easy. Find out the type of battery used. The type should be engraved on the back of the fob. Google can assist you when you're not sure. Open the key fob along the seam after you have identified the battery type. Use a flathead screwdriver, or your fingernail to pry apart the two halves. Remove the old battery and replace it with a new one. Then, 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 don't respond. This can be fixed by reprogramming your fob. However it could be costly and time-consuming. Another option is to contact roadside assistance and ask them to jump your vehicle and get you back on the road.
If you've tried all three of these methods and your car is still unable to start then it's time for a professional. A trained technician will be able to determine if your car's computer system needs to be reprogrammed or the fob simply requires an upgrade in battery. car key fob repair near me will also suggest a reputable auto repair shop to replace your key fob. Sometimes, however, a new fob could be the best option.
Circuit Board Damage
A key fob is able to withstand many physical abuses and is not impervious to destruction. The battery, circuit board, and buttons all get their fair share of wear and tear with time and it's crucial to be on guard and take care of them in order to keep your car key fob working efficiently.
The easiest thing to check is to make sure the battery in your key fob isn't depleted. If it is replaced, determine if this fixes the issue. If not, you may require opening the key fob and clean the contact surfaces. This can be difficult because some key fobs don't have a release mechanism that is easy to open them up and you may damage your fob if you try to pull it apart. You can purchase a specific tool to open your key fob, however you should always adhere to the manufacturer's guidelines to avoid damaging it.
A damaged or defective key circuit board for the fob is another frequent issue. This could be due to numerous factors, such as dirt or moisture entering the battery compartment. Issues with software or an accident firmware update could be the cause of this. If your key fob isn't working completely, consider having it reprogrammed by a locksmith that specializes in this kind of work.
Radio interference is a different possibility. This could happen if there are other wireless devices operating at the same frequency as your key fob, like radar detectors or home security systems. If this is the case, check with the other manufacturers of your device to ensure 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 should be replaced. There are online guides that guide you through the process of fixing this yourself. It is important to be cautious when doing this, as the circuit boards in your key fob are small and are susceptible to breaking if they are handled roughly. If you're doing it yourself, ensure you make use of an SMT switch that is of high-quality and then solder the switch into place in a proper manner.
Buttons that are worn out
Car key fobs can suffer lots of wear and tear. They are prone to being dropped, and they often spend a lot of time moving around in your purse or pocket. Sometimes, this jostling can cause the buttons to become worn out or stuck. A simple adjustment can fix the problem.
Modern key fobs come with sensors that detect when they have been pressed. This is because they lower the chance of someone else stealing your vehicle. If the buttons on your key fob don't work when you press them, they're worn out and need to be replaced.
The circuit board that is in the key fob transmits signals to your car. The signals include unlock and lock commands and commands to start your engine. If the circuit board inside your vehicle is damaged, your key fob may not allow you to unlock your car or 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 more than usual in order to make them function, then your key fob buttons are wearing out. In addition, your fob may cease transmitting signals to the car, or have less range than it did prior to.
If you're unable unlock your key fob, unlock or start your car, you need to find a locksmith in your area immediately. They'll be able determine whether the key fob is damaged or your ignition cylinder is worn out.
Fortunately, most car key fob issues aren't serious or complicated. Keep an extra key fob in your car at all times to avoid being thrown off by a malfunctioning device. You'll never be stranded because of an issue with your key or a lost one. If you do happen to lose your spare car key, a locksmith can help change the key to ensure it is compatible with the ignition of 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 shield the buttons and batteries. It also houses the circuit board responsible for all the electrical magic when you press the button on your key fob. 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. Sometimes, a dead key fob can be reprogrammed, which is something that your local auto locksmith or the dealership can help you with.
Another reason your key fob might not be working is because the batteries are dead. The battery can be replaced at your home. You can find an alternative battery at your local auto parts shop or online. These batteries are not only intended for key fobs.
Depending on the type of key fob you have, there are various ways to open it and access the insides. A quick search on the internet will show you which type of key fob yours is and what kind of battery it requires. From there, you can buy the replacement and simply take the old one out, and then the new one in.
If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons further. When you try to break the fob using an edge that is sharp like a screwdriver can cause damage to the case or scratch the plastic. Fortunately, a replacement case is inexpensive and you can purchase an entire fob with the electronics on eBay or Amazon for less than $40.
If your key fob does not work, you should check if you have damaged the circuit board or batteries. If this isn't the case, you can have it repaired quickly and cheaply by a professional. If not, it may be time to replace the fob. Make sure you check the warranty on any replacement or used fobs purchased online.