How to Repair Car Key Fobs

Key fobs can be damaged even if we use them frequently. In fact, they can break down in a variety of ways.

While the most common issue is a dead battery however, other issues could be more serious. Luckily, most of them can be resolved by a simple DIY fix at home.

Dead Battery

A dead battery is probably the most common reason the car key fob stop functioning. Fob batteries drain quickly, especially if they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you require it.

The LED light will typically stop glowing when the battery in the car key fob is running low. The fob may also stop working from the same distance it used to. In this scenario, it may be necessary to re-program the key fob or even replace it entirely.

Fortunately the replacement of a car key fob battery is simple. Find out the kind of battery used. The type of battery should be engraved on the back of your key fob. If you're unsure then a quick Google search will help. Once you've found the battery type, open the key fob at the junction. Make use of a flathead screwdriver or even your fingernail, to break 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 don't realize that their fob is dead until they lock or unlock their vehicle and Repair car Key fob the buttons don't work anymore. In some cases this issue can be resolved by reprogramming the fob however, this can be expensive and time-consuming. You can also call roadside assistance to see whether they can jumpstart your car and get it back on the road.

If you've tried every solution and your vehicle still won't start, it's time to call a professional. A trained technician can tell if your car's computer needs reprogramming, or if the fob is only in need of a new battery. They can also recommend an auto repair key shop that can replace the fob that you use to access your car. Sometimes, however, a new fob might be the best option.

Damaged Circuit Board

Key fobs can withstand a lot of physical abuse and is not indestructible. 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 vigilant and take care of them to keep your car key fob functioning efficiently.

The easiest way to test is to make sure the battery in your key fob isn't dead. If it is, replace the battery and check if it fixes your problem. If not, you may have to remove the key fob and clean the contact surfaces. This can be tricky since some key fobs do not have easy-release mechanisms that allow you to open them up and you could damage your fob if you try to pull it apart. You can purchase a specific tool to open your key fob, but you must always follow the manufacturer's instructions to avoid damaging it.

A damaged or defective key circuit board for the fob is another common problem. This could be due to many things, including dirt or moisture getting into the battery compartment. Software issues or Repair Car Key Fob even an unintentional firmware update may be the cause of this. If your key fob isn't functioning completely, you should think about having it reprogrammed with locksmiths who specialize in this kind of work.

Radio interference is also a possibility. This could happen when you have other wireless devices around that transmit at the same frequency, like radar detectors or home security systems. If this is the case, you should inquire with the other manufacturers of your device to ensure that your key fob's signal isn't affected by their signals.

There may be a need to replace a switch or other electrical component inside your key fob. This is a more difficult fix however, you can find guides online that show you how to fix it yourself. It is important to be cautious when you do this because the circuit boards in the key fob are tiny and easily break in the event of rough handling. If you do this yourself, make sure to use a good quality SMT switch and solder it to the correct place.

Out Buttons Out Buttons

Car key fobs are susceptible to a lot wear and tear. They are more prone to being dropped and spend a lot time being tossed around in your pocket or purse. Sometimes, this jostling can cause the buttons to become worn out or stuck. When this happens it's possible that a simple adjustment will be all it takes to get it working again.

Modern key fobs are equipped with sensors that can detect when they've been hit. This is because they reduce the possibility of someone taking your vehicle. If the buttons on your key fob don't respond when pushed, that's an indication that they're worn-out and need to be replaced.

Key fobs also contain a circuit board inside them that transmits signals to the car. The signals include commands to unlock and lock, as well as instructions to start your engine. If the circuit board inside your vehicle is damaged then the key fob you have may not be able to unlock your vehicle or even 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 out when you press more than normal in order to get them working. Your fob might also stop sending signals to your car or have a lower range.

If you're not able to get your key fob to unlock or start your vehicle, it's crucial to contact a locksmith in your area immediately. They'll be able to determine whether the key fob is damaged or if your ignition cylinder is worn out.

Fortunately, the majority of car keyfob problems aren't too difficult or serious. Keep an extra key fob in your vehicle always in case you end up being thrown off by a malfunctioning key. This will ensure that you're not left stranded somewhere because of a lost or malfunctioning key. If you do happen to lose your car key spare A locksmith can rekey it to ensure it is compatible with the ignition of your car. They'll also be able to fix any internal damage that has been caused to your key fob.

Broken Case

The case for your key fob is more than just a place to store the buttons and battery. It also houses the circuit board that is responsible for doing all of the electrical magic when you press the button on your key fob. The circuit board relays the signal from your key fob to your car.

The key fob won't work if the board is damaged. A dead key fob might require reprogramming by a local auto locksmith, or dealer.

Another reason why your key fob may not be working is that the batteries are not working. The battery can be replaced at your home. The good news is that you can find a replacement battery on the internet or at a local auto parts shop since these batteries are not exclusive to key fobs.

Depending on the kind of key fob you have, there are various ways to open it and access the insides. You can find out what kind of battery your key fob is using by conducting a quick internet search. You can then buy a new one, take the old one out, and then insert the new one into.

The most important thing to consider when fixing an old car key fob is that you don't want to damage the circuit board or buttons further. If you attempt to remove the fob using a sharp edge, such as a screwdriver could cause damage to the case or damage the plastic. Fortunately, a replacement for the case is cheap and you can buy the entire fob and the electronics 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 that's not the case, a professional will Repair car key Fob it for you quickly and cost-effectively. If not, it could be the time to purchase an upgrade. Make sure to verify the warranty of any replacement or used fobs that you purchase online.