How to Repair Car Key Fobs
Key fobs can become damaged even if we use them often. In fact, they could break down in a variety of ways.
While the most common problem is the battery being dead however, other issues could be more grave. Many of these issues can be resolved with a quick fix at home.
Dead Battery
A dead battery is the most common cause of a key fob that is not working. Fob batteries are prone to draining quickly, particularly if they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you need it.
The LED light will generally stop glowing when the battery in the car key fob is running low. It is also possible that the fob won't work at the same distance it did in the past. In this instance it could be necessary to re-program the key fob or even replace it entirely.
It is easy to replace a car keyfob battery. First, find out what kind of battery is used. The type should be embossed on the side of the fob. Google can help you in case you're unsure. Once you've found the type of battery and the key fob, you can open it at the junction. Utilize repair car key or even your fingernail, to pry apart the two halves. Take the old battery out, and replace it with a new one. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers don't even realize that their fob has gone out of service until they lock or unlock their car and the buttons stop working. This can be fixed by reprogramming your fob. However, it can be time-consuming and expensive. Another option is to contact roadside assistance and see if they are able to jump your car and get you back on the road.
If you've tried all the options and your car still doesn't start, it's time to contact an expert. A certified technician can determine if your car's computer needs reconfiguring, or if your key fob only requires replacement batteries. They may also recommend an auto repair shop that can replace the fob that you use to access your car. In the end, though it is not always the case that a new fob is the best solution.
Damaged Circuit Board
A key fob is not impervious to destruction, but it can be able to withstand a variety of physical damage. The battery, circuit board and buttons are all subject to wear and wear and tear. It is essential to take care of these parts to ensure that your key fob is in good working order.
Check that the battery is still functioning in your key fob. Replace the battery to determine if it resolves 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 easy-release mechanisms that allow you to unlock them and you could harm your device if you try to force it apart. You can purchase a special tool to open your key fob, however you must always follow the manufacturer's instructions to avoid damaging it.
A damaged or defective key fob circuit board is another frequent issue. This can be caused by many things like dirt or moisture getting into the battery compartment, software issues, or even an accidental firmware update. If your key fob isn't working completely, you should think about having it reprogrammed by locksmiths who specialize in this kind of work.
Radio interference is also a possibility. It could happen if are other wireless devices operating at the same frequency as your key fob, for instance radar detectors or home security systems. If this is the situation you must contact the manufacturer of the other device to ensure that your key fob will not be affected by their signals.
It is also possible to replace a switch or an electrical component in your key fob. This is a difficult fix however, you can find guides online that explain how to fix it yourself. Be cautious when doing this, though, as the circuit boards in your key fob are tiny and are susceptible to breaking 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 prone to a lot of wear and tear. They are more prone to being dropped and spend a lot of time in your purse or pocket. This jostling can sometimes cause the buttons to wear out or get stuck. A simple adjustment can solve the problem.
Most modern key fobs have sensors that detect when they've been used. They're designed to detect this so that they can reduce the likelihood of thieves stealing your car. If the buttons on your key fob aren't responding when pushed, that's an indication that they're worn-out and need to be replaced.
The circuit board that is in the key fob also transmits signals to your car. These signals include commands to unlock and lock your car, and 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. Most of the time, this kind of damage is caused by water, blunt force or something that scratches the circuit board.
If you're having to press the buttons harder than usual to activate them If this is the case, then your fob's buttons are getting worn out. In addition your fob could stop transmitting a signal to the car or have less range than it did prior to.
Contact a locksmith immediately in the event that you are unable to use your key fob to start your car. They'll be able to determine whether the key fob is damaged or if your ignition cylinder is worn out.
Fortunately, most key fobs for cars issues aren't very complicated or even serious. The best way to avoid getting caught off guard by an issue with your key fob is to have a spare in your possession at all times. This will ensure that you're not trapped in a place because of a lost or malfunctioning key. If you do happen to lose your car key spare, a locksmith can help change the key to work with the ignition in your car. They can also repair any internal damage to the key fob.
Broken Case
A key fob's case provides more than just protection for the battery and buttons. It also houses the circuit board that is responsible for all the electrical magic when you hit the button on your key fob. The board transmits the signal from your key fob to your car.
Your key fob won't function if the board is damaged. Sometimes, a key fob that is dead can be reprogrammed which is something your local auto locksmith or the dealership can help you with.
Batteries may be the cause of your key fob not working. This is a simple fix that you can do at home by replacing the battery. The good news is that you can locate a replacement battery on the internet or at a local auto parts shop since these batteries aren't exclusive to key fobs.
There are several ways to open a key fob and get inside, based on the kind. A quick search on the internet will reveal what kind of key fob you have and the type of battery it requires. You can then purchase a new replacement and pop the old one out, and then insert the new one in.
The most important thing to consider when fixing the broken car key fob is that you don't want to cause damage to the circuit board or buttons any further. If you attempt to pull away the key fob with an instrument like a screwdriver or any other sharp edge, it could break the plastic or break the case. A replacement case isn't expensive and you can purchase an entire fob, including the electronic components on eBay or Amazon for under $40.
If your key fob won't function, make sure you have damaged the circuit board or the batteries. If that's not the case, a professional will repair it quickly and cheaply. If not, it could be time to invest in a replacement. Just be sure to check for a warranty on any replacement or used fobs you purchase online.