How to Repair Car Key Fobs
Key fobs can become damaged even if we utilize them often. They can break down in different ways.
While the most common problem is a dead battery however, other issues could be much more serious. Luckily, most of these can be fixed by a simple DIY fix at home.
Dead Battery
A dead battery is the most frequent cause of the key fob not functioning. Fob batteries can deplete quickly, especially when they are exposed to hot or humid temperatures or water. It is a good idea to keep an extra fob battery in your wallet just in case.
The LED light will generally stop glowing when the battery in your car key fob is low. It's also possible that your key fob won't function from the same distance as it used to. In this scenario, the key fob may need to be reprogrammed or replaced altogether.
Fortunately the replacement of a car key fob battery is easy. Find out the kind of battery used. The type of battery you are using should be stamped on the back of your key fob. Google can assist you in case you're unsure. Once you've found the type of battery you want to use, open the key fob near the seam. emergency car key repair will need to use an small screwdriver with a flat head or even your fingernail to split the two halves. Then, you can remove the old battery and insert the new one in its place. Insert the new battery so that the positive (+) face is facing the buttons on the fob.
Some drivers aren't aware that their fob has gone out of service until they lock or unlock their vehicle and the buttons stop working. This can be corrected by reprogramming the fob. However it can be costly and time-consuming. You can also call roadside assistance to determine whether they are able to start your vehicle and get it back on the road.
If you've tried both solutions and your vehicle still won't start, it's time to speak with a professional. A certified technician will be able to determine if your vehicle's computer system requires reprogramming or if the fob needs an upgrade in battery. They can also recommend a reliable auto repair shop to replace your key fob. Sometimes, however, a new fob may be the best solution.
Circuit Board Damage
Key fobs can withstand many physical abuses and is not indestructible. The battery, circuit board, and buttons all get their fair share of wear and tear over the course of time, so it's important to be on guard and take care of them in order to keep your car key fob functioning well.
The easiest way to test is that the battery in your key fob isn't depleted. If it is, replace the battery and determine if this fixes the issue. If not, you'll require opening the key fob and clean the contact surfaces. This can be difficult since some key fobs don't have easy-release mechanisms that allow you to open them, and you can easily harm your device if you try to pull it apart. You can buy a tool for opening your key fob. However, you must adhere to the guidelines of the manufacturer to avoid damaging it.
A damaged or damaged key circuit board for the fob is another frequent issue. This could be due to various factors, including dirt or moisture entering the battery compartment. Issues with software or an accidental firmware update can be the cause of this. If your key fob isn't working, you may want to consider getting it changed. This can be accomplished by a locksmith who specializes in this work.
Radio interference is another possibility. This can occur in the event that you have other wireless devices around that transmit at the same frequency, like radar detectors or home security systems. If this is the case, consult with other device manufacturers to ensure that your key fob isn't being affected by their signals.
You may also need to replace a switch or other electrical component inside your key fob. There are online guides that will show you how to fix this yourself. It's important to be careful when doing this, though, as the circuit boards that are inside your key fob are tiny and are susceptible to breaking when handled rough. If you're doing this yourself, be sure to use a high quality SMT switch and then solder it into place properly.
Buttons that are worn out
Car key fobs can suffer a lot of wear and wear and tear. They're susceptible to being dropped and spend a lot of time being tossed around in your purse or pocket. Sometimes, this jostling can cause buttons to wear out or snagged. A simple adjustment can fix the issue.
Most modern key fobs come with sensors that tell if they've been pressed. 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 it's a sign that they're worn-out and need to 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 your vehicle is damaged, the key fob you have may not allow you to unlock your car or even start the engine. Typically, this type of damage is caused by water, force blunt or a scratch on the circuit board.
If you have to press the buttons harder than normal to make them function the fob's buttons are getting worn out. Additionally your fob could cease transmitting signals to the car, or have less range than before.
If you're unable unlock your key fob, 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 your ignition cylinder is worn out.
Fortunately, most car key fob issues aren't serious or complicated. The best way to ensure you don't get caught off guard by a malfunctioning key fob is to have an extra key in your possession at all times. This will ensure that you're not stuck in a bind because of a lost or malfunctioning key. If you have lost your spare key, a professional locksmith can reset it to work with your vehicle's engine. They can also repair any internal damage to your key fob.
Broken Case
The case of the key fob is more than protect the batteries and buttons. The case also houses the circuitry that does all the electrical magic when you press a key fob button. The board transmits the signal from your key fob to your car.
If the board is damaged or dead your key fob will not be able to operate. A dead key fob may require reprogramming by a local auto locksmith or dealer.
Another reason why your key fob may not be functioning is that the batteries are dying. This is a quick solution that can be done at home by replacing the battery. The positive side is that you can find the replacement battery online or at your local auto parts shop since these batteries aren't exclusive to key fobs.
Depending on the kind of key fob you have, there are different ways to open it and gain access to the inside. A quick search online should show you which type of key fob yours is and the type of battery it takes. You can then buy an alternative and take the old one out, and then insert the new one in.
If you are repairing a damaged key fob, the main concern is not to destroy the circuit or buttons more. If you attempt to pry apart the key fob using an instrument like a screwdriver or any other sharp edge, it can crack the plastic or damage the case. Luckily, a replacement case is cheap and you can buy an entire fob with the electronics from eBay or Amazon for less than $40.
If your key fob does not function, make sure you have damaged the circuit board or batteries. If that's not the situation, a professional could repair it for you quickly and cheaply. In the event that it isn't, it's time to consider a replacement. Make sure you check for a warranty on any replacement or used fobs you buy online.