How to Repair Car Key Fobs
Even though we use them numerous times keys are not impervious to destruction. They can actually be destroyed in different ways.
Other issues could be more serious than a dead battery. Luckily, most of these issues can be solved by making a quick DIY fix at home.
Dead Battery
A dead battery is the most frequent cause of a key fob that is not working. Fob batteries can deplete quickly, especially if they are exposed to extreme heat or cold temperatures, humidity or even water. Keep an extra battery in your wallet in case you need it.
The LED light will usually stop blinking when the battery in your car key fob is running low. It's also possible that the fob won't function from the same distance as it did in the past. In this case the key fob might need to be programmed again or replaced completely.
Fortunately the replacement of the car key fob battery is a simple task. First, you need to determine the type of battery is used. The type of battery should be stamped on the back of your key fob. Google can help you if you're not sure. The key fob can be opened along the seam once you have identified the type of battery. You will need to use a small flathead screwdriver or even your fingernail pry the two halves apart. 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 even realize that their fob has died until they lock or unlock their car, and the buttons stop working. In some instances, this can be solved by reprogramming the fob however, it can be costly and time-consuming. You can also contact roadside assistance to find out if they are able to start your vehicle and get it back on the road.
If you've tried every solution and your car still doesn't start, it's the right time to speak with a professional. A certified technician can determine if the car's computer system needs to be reprogrammed or the fob simply requires a new battery. They can also recommend a reliable auto repair shop to replace your fob's keys. Sometimes an entirely new fob may be the best solution.
Circuit Board Damage
A key fob can take some physical abuse and is not indestructible. The battery, the circuit board, and buttons all get their fair amount of wear and tear with time, so it's important to be aware and take care of them to keep your car key fob working efficiently.
Verify that the battery still functioning in your key fob. Replace the battery to see if it solves the issue. If not, you may have to remove the key fob and clean the contact surfaces. It is sometimes difficult to open some key fobs due to the fact that they don't have an easy-release mechanism. You may cause damage to your fob by trying to take it apart. You can purchase a special tool to open your key fob, but you should always follow the instructions of the manufacturer to avoid damaging it.
Another problem that is frequently encountered is a damaged or corrupted circuit board in the key fob. It can be caused by many things, including dirt or moisture getting into the battery compartment. Software issues or an accidental firmware update can be the cause for this. If your key fob isn't working completely, think about having it reprogrammed by an expert locksmith who specializes in this kind of work.
Radio interference is another possibility. This could happen if 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, you should consult with other device manufacturers to make sure that your key fob's signal isn't affected by their signals.
It is also possible to replace a switch or another electrical component inside your key fob. There are online guides that show you how to fix this yourself. It's important to be careful when doing this, as the circuit boards that are inside your key fob are tiny and easily break in the event of rough handling. If you do this yourself, make certain to use a top quality SMT switch and then solder it to the correct place.
Buttons that are worn out
Car key fobs can get quite a bit of wear and tear. They are more prone to being dropped and spend a lot of time being tossed around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or snagged. If this happens it's possible that a simple adjustment will be all it takes to make it work again.
Modern key fobs come with sensors that are able to detect when they have been hit. They're designed to detect this to reduce the likelihood of thieves stealing your car. If repair car remote control key aren't responding when pushed this is a sign that they're worn out and need to be replaced.
Key fobs also contain an electronic circuit inside that transmits signals to the car. These signals include commands to unlock and lock your car, as well commands to start your engine. If the circuit board inside your vehicle is damaged then your key fob might not allow you to unlock your car or start the engine. Generally, this kind of damage is caused by water, force blunt, or something scratching the circuit board.
If you're forced to press the buttons more than usual to activate them If this is the case, then your key fob buttons are becoming worn out. Your fob might be unable to send a signal to your car or have a lower range.
Contact a locksmith right away in the event that you are not able to use the key fob to start your vehicle. They can determine if the key fob is damaged or if your ignition cylinder is worn out.
Fortunately, most key fobs for cars problems aren't complicated or serious. The best way to avoid getting taken by surprise by a malfunctioning key fob is to have a spare in your possession at all times. You'll never be caught in the middle due to a malfunctioning or lost key. If you lose your spare key, a professional locksmith can rekey it to work with your car's engine. They'll also be able to repair any internal damage that's been caused to the key fob.
Broken Case
The case of your key fob provides more than just protection for the battery and buttons. The case also houses the circuitry that performs all the electrical magic when you press a key fob button. The board transmits the signal from your key fob to your car.
Your key fob won't work if this board is damaged. Sometimes, a key fob that is dead will just need to be reprogrammed, which is something that your local auto locksmith or the dealership can assist you with.
Batteries could be the reason the key fob's not working. The battery can be replaced at home. You can find the replacement battery from your local auto parts shop or on the internet. These batteries aren't only intended for key fobs.
There are several ways to open up a key fob to get inside it, depending on the type. A quick search on the internet will identify the type of key fob yours is and what kind of battery it takes. repair car remote control key can then purchase a new one, take the old one out, and put the new one in.
If you are repairing a damaged key fob, the primary concern is not to damage the circuit or buttons more. Trying to pry apart a key fob with a hard edge like a screwdriver can break the case or damage the plastic. Luckily, a replacement case is inexpensive and you can get a whole fob assembly with the electronics from eBay or Amazon for less than $40.
So, if your key fob isn't working Check to see if the batteries are dead or if the circuit board has been damaged. If this isn't the case, you can have it repaired quickly and cheaply by an expert. If not, it could be the time to purchase an upgrade. Be sure to check the warranty on any fob replacement or used that you purchase online.