How to Repair Car Key Fobs
Even though we put them through many a times keys aren't indestructible. In fact, they can be destroyed in a variety of ways.
Other issues can be more important than the battery being dead. Fortunately, many 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 that is not working. Fob batteries are prone to draining quickly, especially when they're exposed to extreme conditions like humidity, temperatures or even water. Keep an extra battery in your wallet in case you need it.
You can usually tell the moment your car key fob's battery is running low because the light on the LED will stop glowing. It's also possible that the fob won't function at the same distance it did in the past. In this case, the key fob may need to be reprogrammed or replaced completely.
It is easy to replace a car keyfob battery. First, you need to determine the kind of battery is being used. The type should be engraved on the side of the fob. Google can help when you're not sure. Unlock the key fob along the seam once you've identified the battery type. You'll need a small flathead screwdriver or even your fingernail to pry the two halves apart. Remove the old battery and replace it with a new one. Be sure to insert the new battery with the positive (+) side facing towards 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 don't work anymore. This can be corrected by reprogramming your fob. However, it can be costly and time-consuming. Another option is to contact roadside assistance and see if they can jump your car and get you back on the road.
If you have tried all three of these methods and your car is still unable to start then it's time to contact a professional. A certified technician can determine if the car's computer system needs reprogramming or the fob simply requires a new battery. They can also recommend a reputable auto shop to replace your fob's key. In the end sometimes, a brand new fob is the best solution.
Circuit Board Damage
A key fob can take many physical abuses and isn't indestructible. The circuit board, battery and buttons are all susceptible to wear and wear and tear. It is essential to take care of these parts to ensure your key fob remains in good working order.

Verify that the battery still working in your key fob. Replace the battery to determine if it resolves your issue. If this doesn't work, you may have to open the fob and clean its contact surfaces. It isn't easy to open certain key fobs due to the fact that they don't have an easy release mechanism. You may cause damage to the fob by trying to break it. You can purchase a specific tool to open your key fob, however it is recommended to follow the instructions of the manufacturer to avoid damaging it.
A damaged or defective key fob circuit board is another common problem. This can be due to various factors like dirt or moisture getting into the battery compartment software problems or even an accidental firmware update. If your key fob isn't functioning completely, you should think about having it reprogrammed with an expert locksmith who specializes in this kind of work.
Radio interference is another possibility. This could happen if there are other wireless devices operating on the same frequency as your key fob, for instance radar detectors or home security systems. If this is the case, inquire with the other manufacturers of the device to make sure that your key fob isn't affected by their signals.
It's also possible that your key fob may have a bad switch or other electrical component that should be replaced. You can find online guides that help you fix this yourself. It is important to be cautious when you do this, as the circuit boards inside your key fob are small and are susceptible to breaking if they are handled roughly. If car key lock repair near me G28CarKeys do this yourself, be certain to use a top quality SMT switch and then solder it in place correctly.
Worn Out Buttons
Car key fobs are prone to a lot of wear and tear. They are prone to getting dropped and spend a lot of time in your pocket or purse. Sometimes, this can cause the buttons to wear out or snagged. A simple adjustment can fix the issue.
Most modern key fobs have sensors on them that can detect if they've been pressed. They're made to do this so that they can decrease the chance of thieves stealing your car. If the buttons on your key fob aren't responding when you press them, they're worn out and should be replaced.
The circuit board inside the key fob also sends signals to your car. These signals include commands to unlock and lock your car, as well as instructions to start the engine. If the circuit board inside is damaged, your key fob will not unlock or start your engine. Typically, this type of damage is caused by water, blunt force or a scratch on the circuit board.
You'll notice that the buttons on your key fob are deteriorating if you find yourself pressing the buttons more than normal in order to get them working. In addition, your fob may cease transmitting signals to the car, or have less range than it did prior to.
Contact a locksmith right away in the event that you are not able to use the key fob for your vehicle. They can determine if your key fob is damaged or if your ignition cylinder is worn out.
Fortunately, most car key fob issues aren't serious or complicated. Keep an extra key fob in your car always in case you end up being surprised by a malfunctioning key. You'll never be stranded due to a malfunctioning or lost key. If you lose your spare key an expert locksmith can rekey it to work with your vehicle's engine. They can also fix any internal damage to the key fob.
Broken Case
A key fob's case provides more than just protection for the buttons and battery. It also houses the circuit board that is responsible for all the electrical magic when you press the button on your key fob. The circuit board receives the signal from your key fob and transmits it to your car.
Your key fob won't work if the board is damaged. A dead key fob may require reprogramming by a local auto locksmith, or dealer.
Batteries could be the cause your key fob's battery not working. The battery can be replaced at home. The positive side is that you can locate the replacement battery on the internet or at your local auto parts store, since these batteries aren't exclusive to key fobs.
Depending on the kind of key fob, there are a variety of ways to open it up and access the insides. You can determine the kind of battery your key fob has by doing a quick online search. From there, you can purchase a replacement and easily pop the old one out and the new one in.
The main concern when you repair 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 crack the plastic or break the case. Luckily, a replacement case is inexpensive and you can buy a whole fob assembly with the electronics on eBay or Amazon for less than $40.
If your key fob does not work, check if you've damaged the circuit board or batteries. If that's not the case, a professional can repair it quickly and cost-effectively. If not, it could be time to replace the fob. Make sure you check for a warranty on any replacement or used fobs you buy online.