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How to Repair Car Key Fobs

Even though we test them many a times, key fobs are not indestructible. They are able to break down in various ways.

Other issues could be more grave than a dead battery. Fortunately, the majority of them can be resolved by making a quick DIY fix at home.

Dead Battery

A dead battery is the most frequent reason for a key fob not working. Fob batteries tend to drain quickly, especially when they are exposed or humid temperatures or even water. Keep an extra battery in your wallet in case you need it.

You will usually know the moment your car key fob repair service key fob's battery is running low because the light on the LED will stop glowing. The key fob could also stop working from the same distance that it used to. In this scenario the key fob might require reprogramming or replaced entirely.

It is simple to replace a car keyfob battery. Find out the type of battery used. The type of battery should be stamped on the side of your key fob. Google can assist you when you're not sure. Open the key fob along the seam after you've identified the type of battery. You will need to use a small flathead screwdriver or even your fingernail split the two halves. Remove the old battery, and replace it with a brand new one. Make sure you insert the new battery with the positive (+) side facing upwards towards the buttons in the fob.

Some drivers may not realize the fob is dead until they attempt to lock or unlock their car and the buttons aren't responding. In some instances this problem can be resolved by reprogramming the fob however, it can be costly and time-consuming. Another option is to contact roadside assistance and ask them to jump your car and get you back on the road.

If you've tried both solutions and your vehicle still won't turn on, it's time to call an expert. A trained technician will be able to determine whether your car's computer system needs reprogramming or if the fob requires an upgrade in battery. They can also recommend an auto repair car key remote shop that can replace the fob that you use to access your car. Sometimes, however, a new fob may be the best option.

Circuit Board Damage

A key fob can take a lot of physical abuse and is not impervious to destruction. The battery, the circuit board and buttons will all experience their fair amount of wear and tear with time, so it's important to be on guard and take care of them to ensure that your car key fob functioning well.

Verify that the battery still working on your key fob. If it is replaced, check if it fixes your problem. If this does not work, you may have to open the fob and clean the contact surfaces. It is sometimes difficult to open some key fobs because they do not have an easy-release mechanism. You may damage your fob by trying force it apart. You can buy a tool to open your key fob key repair. However, you should follow the directions of the manufacturer to avoid damaging it.

A damaged or damaged key fob circuit board is another common problem. This can be caused by many things, such as dirt or moisture that gets into the battery compartment, software issues or even an accidental firmware update. If your key fob isn't functioning completely, you should consider having it reprogrammed by locksmiths who specialize in this type of work.

Radio interference is also a possibility. This could happen when you have other wireless devices around that transmit at the same frequency, such as radar detectors or home security systems. If this is the case, you should get in touch with the manufacturer of the other device to ensure that your key fob won't be affected by their signals.

It's also possible that your key fob has a bad switch or other electrical component that needs to be replaced. This is a harder fix however, there are guides online that explain how to do it yourself. Be cautious when you do this it is important to be careful, since the circuit boards that are inside your key fob are small and can break easily if they are handled roughly. If you decide to do this yourself, be sure to use a good quality SMT switch and solder it into place properly.

Buttons that are worn out

Car key fobs can get lots of wear and tear. They are more prone to being dropped and spend a lot time in your pocket or purse. The constant jostling can cause the buttons to wear out or become stuck. Simple adjustments can resolve the issue.

Most modern key fobs have sensors on them that detect when they've been used. This is because they lower the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when pressed, they are damaged and should be replaced.

The circuit board that is in the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well commands to start your engine. If the internal circuit board is damaged, your key fob might not be able to unlock or start your engine. This type of damage is typically caused by water or blunt force.

You'll be able to tell that the buttons on your key fob are wearing out if you find yourself pressing the buttons more than usual in order to get them working. Your fob could also stop sending an alert to your vehicle or have a shorter range.

Contact a locksmith immediately in the event that you are unable to use your key fob for your vehicle. They can tell if the key fob is damaged, or if the cylinder of your ignition is worn out.

Luckily, most car remote key repair key fob issues aren't serious or complicated. 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. This will ensure that you're not trapped in a place because of an unreliable or lost key. If you lose your spare key, an expert locksmith can rekey it to work with your car's engine. They can also fix any internal damage to the key fob.

Broken Case

The case of the key fob is more than protect the buttons and batteries. It also houses the circuit board responsible for doing all of the electrical magic when you hit a button on your key fob. The circuit board receives the signal from your key fob, and then transmits it to your car.

The key fob won't work if the board is damaged. A key fob that is dead may only need to be reprogrammed by a local auto locksmith, or dealer.

Another reason your key fob might not be working is because the batteries are dead. This is a quick fix that can be accomplished at home by replacing the battery. The good thing is that you can locate the replacement battery online or at your local auto parts shop since these batteries aren't exclusive to key fobs.

Depending on the type of key fob, there is various ways to open it up and gain access to the inside. A quick internet search should reveal what kind of key fob you have and what kind of battery it requires. From there, you can buy the replacement and simply take the old one out and put the new one in.

The most important thing to consider when fixing the broken car key fob is that you don't want to damage the circuit board or buttons further. If you attempt to remove a key fob with an edge that is sharp like screwdrivers can damage the case or even crack the plastic. Fortunately, a replacement for the case is inexpensive and you can purchase a whole fob assembly with the electronics on eBay or Amazon for less than $40.

If your key fob doesn't function, make sure you've damaged the circuit board or batteries. If this is not the case, you can have it repaired quickly and inexpensively by a professional. Otherwise, it might be the time to purchase an upgrade. Make sure you check the warranty on any replacement or used fobs purchased online.