How to Repair Car Key Fobs
Even though we put them through a lot, key fobs are not indestructible. They can actually break down in a variety of ways.
Other issues could be more grave than an unresponsive battery. The majority of these issues can be solved with a simple fix at home.
Dead Battery
A dead battery is the most frequent cause of a key fob that is not working. key fob repair are known to drain quickly, particularly if they are exposed to extreme heat or cold temperatures, humidity or even water. It is a good idea to keep an extra battery in your wallet just in case.
You will usually know that your car key fob's battery is running low because the light on the LED will cease to glow. It's also possible that the fob won't work at the same distance it did in the past. In this instance the key fob might need to be reprogrammed or replaced altogether.
Fortunately key fob repair of the battery in a car key fob is a simple task. First, you need to determine the type of battery is used. The type of battery should be engraved on the back of the fob. Google can help you if you're not sure. Unlock the key fob across the seam after you've identified the battery type. Use a flathead screwdriver, or even your fingernail to break the two halves. Then, take out the old battery and put a new one in its place. Make sure you insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.
Some drivers aren't aware that their fob has died until they lock or unlock their car, and the buttons stop working. In some instances this issue can be resolved by reprogramming the 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 vehicle and get you back on the road.
If you've tried every solution but your vehicle doesn't start, it's the right time to contact a professional. A qualified technician can determine the computer in your car needs changing its programming, or if the fob simply needs replacement batteries. They can also suggest an auto shop that will replace the key fob. Sometimes it is possible that a new fob could be the best solution.
Damaged Circuit Board
Key fobs aren't impervious to destruction, but it can endure a lot of physical damage. The battery, circuit board and buttons are all subject to wear and wear and tear. It is important to take care of these parts to ensure your key fob remains in good working order.
Verify that the battery still working on your key fob. Replace the battery to see if it fixes your problem. If this does not work, you may have to open the fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms to unlock them and you may end up damaging your key fob if attempt to break it. You can purchase a special tool to open your key fob, however it is recommended to adhere to the manufacturer's guidelines to avoid damaging it.
Another problem that is frequently encountered is a damaged or damaged circuit board on the key fob. It can be caused by various factors, such as dirt or moisture getting into the battery compartment, software issues or even an accidental firmware update. If your key fob has stopped functioning completely, you should think about having it reprogrammed by an expert locksmith who specializes in this type of work.
Radio interference is another possibility. This could happen if there are other wireless devices that transmit on the same frequency your key fob, like radar detectors, home security systems. If this is the situation you need to get in touch with the manufacturer of the other device to ensure that your key fob won't be affected by their signals.
You may also need to replace a switch or another electrical component of your key fob. This is a more difficult fix, but you can find online guides that will show you how to do it yourself. Be cautious when you do this because the circuit boards in your key fob are tiny and can break easily when handled rough. If you do this yourself, be certain to use a top quality SMT switch and solder it in place correctly.
Worn Out Buttons
Car key fobs are prone to a lot wear and tear. They are prone to being dropped and often spend a lot of time jostled around in your pocket or purse. The jolting can cause buttons to wear out or become stuck. When this happens, a simple adjustment may be all it takes to get it working again.
The majority of modern key fobs have sensors that tell if they've been pressed. This is because they lower the chance of someone else stealing your vehicle. If the buttons on your key fob aren't responding when you press them, they're worn out and need to be replaced.
The circuit board inside the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, as well as commands to start your engine. If your internal circuit board is damaged then your key fob might not unlock your vehicle or start the engine. This kind of damage is usually caused by water or blunt force.
You'll be able to tell that the buttons on your key fob are wearing down If you're finding yourself pressing them harder than normal in order to get them working. Your fob might not be sending signals to your car or have a smaller range.
If you're unable unlock your key fob, unlock or start your car, it's important to call a locksmith near you immediately. They can tell if the key fob is damaged or the cylinder in your ignition is worn out.
Fortunately, the majority of car keyfob problems aren't complicated or serious. The best way to ensure you don't get surprised by an issue with your key fob is to have an extra key in your possession at all times. You'll never be stranded due to a malfunctioning or lost key. If you lose your spare key a professional locksmith can reset it to work with your car's engine. They'll also be able fix any internal damage that has been caused to the 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 responsible for doing all of the electrical magic when you hit a button on your key fob. This board takes the signal from your key fob and transmits it to your car.
If the board is damaged or dead, your key fob won't be able to operate. Sometimes a dead key fob may need to be reprogrammed, which is something your local auto locksmith or the dealership can assist you with.
Another reason your key fob might not be working is that the batteries are dead. This is a simple fix that you can do at home by replacing the battery. You can get the replacement battery from the local auto parts store or online. These batteries aren't only intended for key fobs.
Depending on the kind of key fob you have, there are various ways to open it up and gain access to the inside. A quick internet search should identify the type of key fob yours is and the type of battery it takes. You can then purchase a new one, take the old one out and then insert the new one into.
When fixing a damaged key fob, the main concern is not to damage the circuit or buttons more. If you attempt to pull off the key fob with the screwdriver or another sharp edge, it could break the plastic or damage the case. A replacement case is inexpensive and you can purchase an entire fob, including the electronics on eBay or Amazon for less than $40.
If your key fob does not function, make sure you've damaged the circuit board or batteries. If this isn't the case, a professional will repair it quickly and cheaply. If not, it may be time to replace the fob. Make sure you check for a warranty on any replacement or used fobs you buy online.