How to Repair Car Key Fobs

Key fobs are susceptible to damage even if we utilize them frequently. They are able to break down in different ways.

While the most common issue is the battery being dead, other issues can be more serious. Luckily, most of them can be resolved with a quick DIY fix at home.

Dead Battery

A dead battery is the most frequent cause of a key fob not working. Fob batteries are known to drain quickly, particularly if they are exposed to extreme heat or humid temperatures or water. It's a good idea keep an extra battery in your wallet just in case.

The LED light will generally stop blinking 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 instance the key fob could need to be programmed again or replaced entirely.

Fortunately, replacing the car key fob battery is simple. First, determine what kind of battery is used. The type of battery you are using should be engraved on the back of your key fob. Google can help you in case you're unsure. Open the key fob across the seam after you have identified the type of battery. Make use of a flathead screwdriver or even your fingernail where to repair car key remote pry apart the two halves. Then, remove the old battery and insert the new one in its place. Be sure to insert the new battery with the positive (+) side facing up toward the buttons in 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 corrected by reprogramming your fob. However, it can be costly and time-consuming. You can also contact roadside assistance to see whether they are able to restart your vehicle and Repair Car Key Fob get it back on the road.

If you've tried every solution but your vehicle doesn't start, it's time to call an expert. A certified technician will be able to determine if your car's computer system needs to be reprogrammed or if the fob needs a replacement battery. They can also suggest an auto repair car key Fob shop that can replace your key fob. In the end sometimes, a brand new fob is the most effective solution.

Circuit Board Damage

Key fobs aren't indestructible, but it is able to withstand a lot of physical damage. The battery, circuit board, and buttons all get their fair amount of wear and tear over time It is therefore essential to be vigilant and take care of them in order to keep your car key fob working efficiently.

Check that the battery is still functioning in your key fob. Replace the battery to determine if it resolves your problem. If not, you'll have to remove the key fob and clean the contact surfaces. This can be difficult since some key fobs do not have easy-release mechanisms that allow you to unlock them and you may harm your device if you try to pull it apart. You can purchase a special tool to open your key fob, but you should always follow the manufacturer's instructions to avoid damaging it.

Another problem that is frequently encountered is a damaged or corrupted circuit board in the key fob. This can be caused by a number of things, such as dirt or moisture that gets into the battery compartment, software issues or even an unintentional firmware update. If your key fob has stopped functioning, you might think about getting it reprogrammed. This can be done by a locksmith that specializes in this type of work.

Radio interference is another possibility. It could happen in the event that you have other wireless devices around that transmit at the same frequency, for example, radar detectors or home security systems. If this is the case, check with the other manufacturers of the device to make sure that your key fob's signal isn't affected by their signals.

It's also possible that your key fob has an unreliable switch or electrical component that should be replaced. This is a difficult fix however, there are guides online that explain how to fix it yourself. You should be careful when doing this, however, because the circuit board in your key fob is very small and is prone to breaking if handled with care. If you're doing this yourself, ensure you make use of an SMT switch of good quality and then solder the switch into place in a proper manner.

Out Buttons Out Buttons

Car key fobs can suffer a lot of wear and wear and tear. They are prone to getting dropped and spend a lot time being tossed around in your purse or pocket. The jolting can cause the buttons to wear out or get stuck. If this happens, a simple adjustment may be all it takes to make it work again.

Most modern key fobs have sensors on them that can detect when they've been used. This is because they lower the possibility of someone taking your vehicle. If the buttons on your key fob aren't responding when you press them, they're worn out and should be replaced.

Key fobs also have an electronic circuit inside that transmits signals to the car. The signals include commands to unlock and lock, as well as commands to start your engine. If the circuit board inside your vehicle is damaged, then your key fob might not be able to unlock your vehicle or even start the engine. Most of the time, this kind of damage is caused by water, blunt force or something that scratches the circuit board.

If you're forced to press the buttons harder than usual in order to make them function, then your key fob buttons are getting worn out. Your fob might be unable to send a signal to your car or have a lower range.

If you're not able to get your key fob to unlock or start your car, you need to call an emergency locksmith in your area. They can determine if your key fob is damaged, or if the cylinder of your ignition is worn out.

Luckily, most car key fob issues aren't a major or difficult issue. Keep a spare key fob in your car at all times to avoid being shocked by a malfunctioning key. This will ensure that you're not stuck in a bind because of a lost or malfunctioning key. Of course, if you do lose your spare car key, a locksmith can help change the key to work with the ignition in your car. They'll also be able fix any internal damage that has occurred to the key fob.

Broken Case

The case of a key fob does more than protect the buttons and batteries. The case also houses the circuitry that performs all the electrical magic when you press a key fob button. The circuit board relays the signal from your key fob to your car.

The key fob won't function if the board is damaged. Sometimes, a dead key fob can be reprogrammed which is something that your local auto locksmith or dealership can assist you with.

Another reason why your key fob might not be working is that the batteries are not working. The battery can be replaced at home. You can get the replacement battery from the local auto parts store or online. These batteries are not only for key fobs.

Depending on the kind of key fob, there is various ways to open it up and gain access to the inside. A quick search online should reveal what kind of key fob yours is and what kind of battery it takes. From there, you can buy a replacement and easily pop the old one out and the new one in.

The biggest concern when repairing an old car key fob is that you don't want to cause damage to the circuit board or buttons any further. If you attempt to remove the key fob using a sharp edge, such as a screwdriver could damage the case or even damage the plastic. A replacement case isn't much and you can purchase a complete fob assembly including the electronics on eBay or Amazon for less than $40.

So, if your key fob isn't working look into whether the batteries are dead or whether the circuit board has been damaged. If this isn't the situation, you can get it repaired quickly and easily by an expert. If not, it may be time to replace the fob. Just be sure to check for a warranty on any used or replacement fobs you purchase online.