How to Repair Car Key Fobs
Key fobs can be damaged even if we use them frequently. In fact, they could break down in a variety of ways.
While the most common problem is a dead battery but other issues can be more grave. Fortunately, the majority of them can be resolved with a quick DIY fix at home.
Dead Battery
A dead battery is probably the most common reason a car key fob stops working. Fob batteries are known to drain quickly, especially when they are exposed to extreme heat or cold temperatures, humidity, or water. Keep an extra battery in your wallet in case you need it.
The LED light will generally stop glowing when the battery in your car key fob is running low. The key fob could also stop working from the same distance that it used to. In this case the key fob might need to be reprogrammed or replaced altogether.
Fortunately replacing a car key fob battery is a simple task. Find out the kind of battery used. The type of battery you are using should be embossed in the back of your key fob. If you're unsure then an easy Google search will help. The key fob can be opened along the seam after you've identified the battery type. Make use of a flathead screwdriver or even your fingernail to pry apart the two halves. Then, take out the old battery and insert an alternative 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 is dead until they lock or unlock their vehicle and the buttons no longer work. In some instances, this can be solved by reprogramming your fob, however, this can be expensive and time-consuming. Another option is to call roadside assistance and see if they are able to jump your vehicle and get you back on the road.
If you've tried all the options and your vehicle still won't start, it's the right time to call an expert. A trained technician can tell if your car's computer needs changing its programming, or if the fob only requires an upgrade in battery. They can also recommend an auto repair shop that can replace the fob that you use to access your car. In the end, though sometimes, a brand new fob is the most effective solution.
Circuit Board Damage
A key fob is able to withstand some physical abuse and is not impervious to destruction. The battery, circuit board and buttons will all experience their fair amount of wear and tear over time It is therefore essential to be vigilant and take care of them in order to keep your car key fob functioning efficiently.
The easiest thing to check is to make sure the battery in your key fob isn't depleted. If it is then replace the battery and check if it fixes your problem. If not, you might have to remove the key fob and clean the contact surfaces. This can be a challenge since some key fobs don't have easy-release mechanisms to open them up, and you can easily harm your device if you attempt to break it. You can purchase a specific tool to open your key fob, however you should always adhere to the manufacturer's guidelines to avoid damaging it.
Another issue that is common is a damaged or damaged circuit board on the key fob. It can be caused by numerous factors, such as dirt or moisture entering the battery compartment. Issues with software or an accident firmware update could be the cause of this. If your key fob isn't working completely, you should think about having it reprogrammed by locksmiths who specialize in this type of work.
Radio interference is a different possibility. This could happen when 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, consult with other manufacturers of your device to make sure that your key fob's signal isn't affected by their signals.
It's also possible that your key fob is equipped with an unreliable switch or electrical component that should be replaced. This is a more difficult fix however, there are guides online that show you how to do it yourself. It's important to be careful when you do this it is important to be careful, since the circuit boards in the key fob are tiny and easily break when handled rough. If you decide to do this yourself, make sure to use a good quality SMT switch and then solder it into place properly.
Buttons that are worn out
Car key fobs can suffer lots of wear and tear. They're prone to being dropped and spend a lot of time jostled around in your purse or pocket. Sometimes, this jolting can cause buttons to wear out or stuck. In this case, a simple adjustment may be all that's needed to make it work again.
Most modern key fobs have sensors that detect if they've been pressed. This is due to the fact that they decrease the possibility of someone taking your vehicle. If the buttons on your key fob don't respond 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. Those signals include commands to unlock and lock and also commands to start your engine. If the circuit board inside your vehicle is damaged, your key fob might not unlock your vehicle or even start the engine. Typically, this type of damage is caused by water, blunt force, or something scratching the circuit board.
You'll be able to tell that the buttons on your key fob are wearing out if you find yourself pressing them harder than usual to get them to function. Your fob might be unable to send an alert to your vehicle or have a shorter range.
If you're not able to get your key fob to unlock or start your car, it's important to find an emergency locksmith in your area. They can determine if your key fob is damaged, or if your ignition cylinder is worn out.
Fortunately, the majority of car key fob issues aren't serious or complicated. Keep a spare key fob in your car always in case you end up being thrown off by a malfunctioning one. This will ensure that you're not left stranded somewhere due to an unreliable or lost key. If you have lost your spare key, an expert locksmith can rekey it to work with your vehicle's engine. They'll also be able to repair any internal damage that's been caused to your key fob.
Broken Case
The case of a key fob does more than just shield the buttons and batteries. The case also houses the circuitry that executes all the electrical magic every time you press the button on your key fob. This board transmits the signal from your key fob to your car.
If this board is damaged or dead the key fob won't be able to function. A dead key fob may only need to be reprogrammed by a local auto locksmith or dealer.
Another reason your key fob may not be working is because the batteries are dying. The battery can be replaced at home. The good thing is that you can locate the replacement battery online or at your local auto parts store since these batteries are not exclusive to key fobs.
Depending on the kind of key fob, there is various ways to open it and access the insides. electronic car key repair can find out what kind of battery your key fob is using by conducting a quick online search. From there, you can buy the replacement and simply take the old one out and put the new one in.
When repairing a broken key fob, the most important concern is not to destroy the circuit or buttons in any way. If you attempt to pry apart the key fob using an instrument like a screwdriver or any other sharp edge, it could crack the plastic or break the case. A replacement case isn't much and you can find the entire fob including the electronics on eBay or Amazon for under $40.
So, if your key fob isn't working look into whether the batteries are dead or whether the circuit board has become damaged. If this isn't the case, you can have it repaired quickly and inexpensively by an expert. Otherwise, it might be the time to purchase an upgrade. Just be sure to check for a warranty on any replacement or used fobs that you purchase on the internet.