How to Repair Car Key Fobs
Even though we use them numerous times, key fobs are not indestructible. They can actually break down in various ways.
While the most common issue is an unresponsive battery, other issues can be more grave. The majority of problems can be fixed with a quick fix at home.
Dead Battery
A dead battery is the main reason for the key fob not functioning. Fob batteries can deplete quickly, particularly if they are exposed or humid temperatures or water. Keep an extra battery in your wallet in case you require it.
It is easy to tell the moment the battery of your car key fob is running low because the light on the LED will cease to glow. It's also possible that your key fob won't function from the same distance as it did in the past. In this case, the key fob may need to be programmed again or replaced entirely.
Fortunately the replacement of the battery in a car key fob is easy. First, find out what kind of battery is used. The type should be embossed on the back of the fob. If you are not sure then doing a quick Google search can help. Once you have found the kind of battery you want, open the key fob at the junction. Make use of a flathead screwdriver or even your fingernail to pry apart the two halves. 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 may not be aware the fob is dead until they try to lock or unlock their car and the buttons aren't responding. In some cases this problem can be resolved by reprogramming the fob but that can be costly 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 car still doesn't start, it's time to speak with a professional. A certified technician can determine if the car's computer system needs reprogramming or if the fob requires a replacement battery. They can also recommend an auto shop to replace the key fob. Sometimes an entirely new fob could be the best solution.
Damaged Circuit Board
Key fobs can withstand some physical abuse and is not impervious to destruction. The battery, the circuit board buttons, and other components all suffer their fair share of wear and tear over time and it's crucial to be on guard and take care of them in order to keep your car key fob operating efficiently.
Make sure that the battery still functioning on your key fob. Replace the battery to determine if it resolves your issue. If not, you'll need to open the key fob and clean the contact surfaces. It can be difficult to open certain key fobs due to the fact that they don't have an easy release mechanism. key repair service may cause damage to the fob by trying to break it. You can buy a tool to open your key fob. However, you must always follow the instructions of the manufacturer to avoid damaging it.
A damaged or corrupted key fob circuit board is a frequent issue. This can be caused by numerous factors, such as dirt or moisture entering the battery compartment. Software issues or an accidental firmware update can be the cause of this. If your key fob has stopped working completely, you should consider having it reprogrammed by an expert locksmith who specializes in this type of work.
Radio interference is another possibility. This can occur in the event that you have other wireless devices around that transmit on the same frequency, like 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 isn't being affected by their signals.
It's also possible that your key fob has an unreliable switch or electrical component that needs to be replaced. This is a harder fix however, there are online guides that will show you how to fix it yourself. You should be careful to be careful, however, since the circuit board that is inside the key fob is tiny and can easily break when handled rough. If you decide to do this yourself, make sure to use a high quality SMT switch and then solder it into place properly.
Buttons that are worn out
Car key fobs can get lots of wear and tear. They are prone to being dropped and often spend a lot of time jostled around in your purse or pocket. Sometimes, this can cause the buttons to become worn out or stuck. In this case, a simple adjustment may be all that's needed to make it work again.
The majority of modern key fobs have sensors that detect if they've been pressed. This is due to the fact that they decrease the chance of someone else stealing your vehicle. If the buttons on your key fob aren't responding when pushed this is a sign that they're worn out and need to be replaced.
The circuit board that is in the key fob also sends signals to your car. Those signals include commands to unlock and lock, as well as commands to start your engine. If the circuit board within your vehicle is damaged, then your key fob may not unlock or start your engine. Typically, this type of damage is caused by water, blunt force or something that scratches the circuit board.
If you're having to press the buttons more than usual to make them function the key fob buttons are wearing out. In addition the fob might stop transmitting a signal to the car or have less range than it did prior to.
Contact a locksmith right away in the event that you are unable to use your key fob to start your car. They'll be able determine whether the key fob itself is damaged or your ignition cylinder has worn down.
Fortunately, the majority of car keyfob problems aren't too difficult or serious. Keep an extra key fob in your car at all times to avoid being thrown off by a malfunctioning one. This will ensure that you're not stuck in a bind due to an unreliable or lost key. Of course, if you do happen to lose your spare car key A locksmith can rekey it so that it works with the ignition in your car. They can also fix any internal damage to the key fob.
Broken Case
The case of a 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 transmits the signal from your key fob to your car.
Your key fob won't function if the board is damaged. A key fob that is dead may require reprogramming by a local auto locksmith, or dealer.
Another reason why your key fob may not be working is that the batteries are not working. This is a simple fix that can be accomplished at home by replacing the battery. You can find an alternative battery at the local auto parts store or online. These batteries are not just for key fobs.
There are a variety of ways to open up the key fob and go inside, based on the kind. You can find out what type of battery your key fob has by conducting a quick online search. You can then buy a new one, 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 cause damage to the circuit board or buttons any further. Trying to pry apart a key fob with an edge that is sharp like a screwdriver could break the case or scratch the plastic. Luckily, a replacement case isn't expensive and you can purchase a whole fob assembly with the electronic components from eBay or Amazon for less than $40.
If your key fob isn't working Check to see if the batteries are dead or whether the circuit board has been damaged. If this isn't the case, you can have it repaired quickly and cheaply by a professional. If not, it could be time to consider an upgrade. Just be sure to check for a warranty on any used or replacement fobs you purchase on the internet.