How to Repair Car Key Fobs
Although we put them through a lot keys are not impervious to destruction. They can be destroyed in various ways.
While the most common problem is a dead battery however, other issues could be much more grave. Luckily, most of these issues can be solved with a quick DIY fix at home.
Dead Battery
A dead battery is likely the most common reason a car key fob stops working. Fob batteries are known to drain quickly, especially if they are exposed to hot or humid temperatures or water. It's a good idea to keep an additional fob battery in your wallet in case.
The LED light will generally stop blinking when the battery in the car key fob is running low. The fob may be unable to function from the same distance it was previously working to. In this case the key fob might require reprogramming or replaced entirely.
It is easy to replace the battery in a car keyfob. First, find out what type of battery is used. The type of battery should be embossed in the back of your key fob. If you're not sure then an easy Google search will help. Unlock the key fob along the seam once you have identified the battery type. You will need to use small flathead screwdrivers or your fingernail to pry the two halves apart. Take the old battery out, and replace it with a brand new one. Be sure to insert the new battery with the positive (+) side facing up toward the buttons in 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. This can be fixed by reprogramming your fob. However, it can be time-consuming and expensive. You can also call roadside assistance to find out whether they can start your vehicle and get it back on the road.
If you've tried all of these options and your car still won't start, then it's time for an expert. A certified technician can determine if the vehicle's computer system requires reprogramming or if the fob requires a replacement battery. They can also recommend a reputable auto repair shop to replace your fob's key. In the end, though it is not always the case that a new fob is the most effective solution.
Damaged Circuit Board
Key fobs aren't indestructible, but it is able to be able to withstand a variety of physical damage. Battery, circuit board and buttons are all subject to wear and tear. It is crucial to take care of these components to ensure that your key fob is in good condition.
Verify that the battery still functioning in your key fob. Replace the battery to see if it fixes your problem. If not, you'll need to open the key fob and clean the contact surfaces. This can be a challenge because some key fobs don't have a release mechanism that is easy to open them and you may end up damaging your key fob if try to force it apart. You can purchase a specific tool to open your key fob. However, you should follow the directions of the manufacturer to avoid damaging it.
A damaged or defective key fob circuit board is a common problem. This could be due to various factors, including dirt or moisture getting into the battery compartment. Software issues or even an unintentional firmware update may be the cause of this. If your key fob isn't working, you may be interested in having it reprogrammed. This can be done by a locksmith who specializes in this kind of work.
Radio interference is another possibility. It could happen if are other wireless devices transmitting on the same frequency as your key fob, such radar detectors or home security systems. If this is the case, check with the other manufacturers of your device to make sure that your key fob isn't being affected by their signals.
It's also possible that your key fob is equipped with an unreliable switch or electrical component that must be replaced. You can find online guides that will help you fix this yourself. Be cautious, however, as the circuit board in the key fob is tiny and can easily break when handled rough. If you're doing this yourself, be sure to make use of an SMT switch that is of high-quality and solder the switch in the correct position.
Buttons that are worn out
Car key fobs are susceptible to a lot of wear and wear and tear. They are susceptible to being lost and spend a significant amount of time in your purse or pocket. Sometimes, this jostling can cause the buttons to wear out or snagged. Simple adjustments can resolve the problem.
Modern key fobs are fitted with sensors that can detect when they've been hit. This is because they lower the chance of someone else stealing your vehicle. If the buttons on your key fob don't respond when pushed it's a sign that they're worn-out and need to be replaced.
Key fobs also have a circuit board inside them which transmits signals to your car. These signals include commands to unlock and lock your car, as well instructions to start the engine. If the circuit board inside your vehicle is damaged, your key fob might not be able to unlock your vehicle or start the engine. This kind of damage is usually caused by blunt force or water.
You'll be able to tell that the buttons on your key fob are wearing down if you find yourself pressing the buttons more than usual in order to get them working. Additionally your fob could cease transmitting signals to the car, or have a lower range than it did before.
Contact a locksmith immediately in the event that you are not able to use the key fob to start your vehicle. They'll be able to tell whether the key fob is damaged or if your ignition cylinder has worn down.
Fortunately, the majority of car key fob problems aren't serious or complicated. car keys repair to avoid getting taken by surprise by a malfunctioning key fob is to keep an extra in your pocket at all times. You'll never be caught in the middle due to an unresponsive 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 has been caused to the key fob.
Broken Case
The case of the key fob does more than just shield the buttons and batteries. It also houses the circuit board that is responsible for all the electrical magic when you press the button on your key fob. This board takes the signal from your key fob and transmits it to your car.
If the board is damaged or dead your key fob will not be able to function. Sometimes, a dead key fob can be reprogrammed which is something that your local auto locksmith or the dealership can help you with.
Another reason your key fob might not be functioning is that the batteries are dead. The battery can be replaced at your home. You can get a replacement battery at your local auto parts shop or on the internet. These batteries are not just for key fobs.
There are many ways to open up the key fob and go inside it, based on the type. A quick search online should identify the type of key fob you have and what kind of battery it requires. You can then buy an alternative and take 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 damage 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 can crack the plastic or break the case. Fortunately, a replacement for the case is cheap and you can buy a whole fob assembly with the electronic components from eBay or Amazon for less than $40.
If your key fob doesn't work, you should check if you've damaged the circuit board or the batteries. If this isn't the case, a professional will repair it quickly and cost-effectively. If not, it might be time to replace the fob. Make sure you check for a warranty on any used or replacement fobs you purchase online.