Key Fob Repair Service
Key fobs are subject to a lot of abuse. Buttons can become stuck or break depending on how they are stored and how often they are jostled.
Most key fob issues are easy to fix. Certain issues with key fobs are more serious and require assistance from a professional. This is when locksmiths can help.
Dead Fob Battery
The car key fobs are pretty smart, but that does not mean that they don't occasionally get stuck in the "not responding zone". If this happens, it's usually time to replace the battery. This doesn't solve the problem since there may be an issue with one of the terminals on the battery connector.
The car manufacturers are aware of this potential issue, and they frequently install a spare mechanical key inside the fob for just such an emergency. To access this, locate the small release switch or latch behind the fob (check the user's manual for more details). When you press this button, you can open the fob to reveal a key that you can use to unlock the car.
You'll also need to be closer to your car to lock and unlock it. The transmitter of the fob's transmitter loses power when its battery dies. This reduces its range.
It's fairly easy to replace the battery. You will need to purchase a button-cell battery (which resembles the size of a small silver coin) and follow the directions in the user manual to remove the old battery. Then, replace the new battery in the same way that the previous one was placed (the positive side should face upwards towards the buttons). Test the lock/unlock and start functions of the fob after reassembling it to ensure the new battery is placed correctly.
You can unlock some key fobs by finding the latch, screw or switch at the back, and then tearing the fob in two. The fob will need to work with your vehicle, so take care not to harm it! If you're not confident doing this on your own it's also possible to bring your key fob to a professional. Because it's a standard procedure that most auto shops will change the battery on fobs for a minimal fee. Some dealers might even offer it for free depending on the model and make of your vehicle.
Fob not working
Replace the batteries if your key fob isn't working. This is the easiest fix and most likely what can fix the issue. If your device still isn't working after changing the battery it could be due to damage.
Damage can happen to the car key fob for a variety of reasons, such as physical trauma, water exposure, or a damaged circuit board. These problems can prevent your key from transmitting the signal to the receiver inside your vehicle, which could stop your car's ignition or doors from opening. You may have to hire a professional to replace the fob if it's damaged.
In the same way, the buttons on your fob may have worn out with repeated use. The rubber can wear away and make the buttons less responsive or clicky, and they can start to fail to register your presses reliably. You can try wiping the buttons and adjusting them to see if this resolves the problem However, it's generally recommended to send the fob to a professional assessed for more extensive repairs.
Double check that the battery you are using is the right one for your fob. You can find a list of acceptable batteries online or in most hardware stores, and you must always refer to your owner's manual or the engraving on the inside of the fob to determine the type of battery it needs. A battery that isn't the perfect match may have issues transmitting strong signals or providing adequate power to the fob's internal components.
In very rare cases it could be the case that the problem is not the key fob itself but rather the vehicle's receiver or electronic components. If you have an inductive backup system, you can test it by opening the door with a physical key and then start the car with the inductive backup (if available). If your key isn't working to open or start your car check with a mechanic the electronic and receiver components of your vehicle to determine if they are functioning correctly.
Fobs that are damaged
A key fob is comprised of many parts and a single malfunction could cause other components to fail. If a key fob ceases to function it is important to look for obvious causes such as cracks in the casing or a broken component. Check key car repair , light and other components of the vehicle to ensure that they are functioning correctly.
If the key fob is damaged, it's best to obtain a replacement from your dealer or an auto locksmith rather than trying to fix it. It might be necessary to reprogramme the fob to connect to your car. This is not something you can do at home and requires specialized equipment.
The buttons on a key fob make use of contacts that transmit signals to the circuit board on the key fob however, they will wear down over time. This is especially common if the device is dropped or left in hot temperatures.
In time, the internal wiring in the key fob could wear down. It can lead to buttons that don't function when pressed, or only works when pressed very strongly. This can also result in the vehicle not being able to start or unlock once the fob is used.
The majority of fobs have a plastic cover which can be loosened and safely cleaned with water and soap. This is often able to bring a fob back to functioning properly and it's a good idea to do it often to prevent dirt from harming the insides.
A faulty battery is typically the reason why a key fob will not work or turn on. Most mechanics and car dealers are able to replace the battery quickly. If you are comfortable with the installation and are able to do it yourself, you can purchase the new one from a big-box store or a hardware store, and follow the directions on YouTube or in the owner's manual.
The worst case scenario is that your key fob is damaged internal damage, like cracks or tiny electronic components that are not fully attached to the circuit boards or corroded and bent contact points on the battery. If you notice any of these problems it is recommended to consult an auto locksmith or a dealer to obtain a replacement key fob as well as assistance in programming it to your vehicle.
Fob is not programming
The car key fob is a convenient way to start your engine and open the doors of your vehicle. When they stop working or fail to function, they can be a hassle. In some instances the issue may be as simple as replacing the battery, but in other cases it could require an even more complex repair. The first step is to identify the reason for why the fob isn't functioning properly.
One of the most frequent reasons for a malfunctioning fob is that it has stopped recognizing your vehicle. This happens if the connection between the remote and your car is broken. You can sometimes reset this connection without needing a key fob repair service.
Other issues can occur when the key fob isn't able to sends a clear signal. This could be the result of a key is damaged or the battery is dead. In either case, you should try to reconnect the key to your vehicle. This can be done by following the directions on the key fob. You should also carry a spare car key in the event that your primary key is lost.
It's also possible that the fob doesn't receive the signal sufficiently strong from the car. This could be due a weak battery in the car, interference from wireless devices or an antenna issue. By using a remote tester you can test the fob and check if it's the issue. If the tester does not illuminate when you press one of the buttons, it could be because the battery needs to be replaced or that the fob is been damaged.
Another possible reason for a fob not sending an adequate signal is that the car's immobilizer system may be preventing it from sending a strong signal. This could happen in the event that your key fob isn't been programmed correctly, or if there is a software problem.
If you are unable to fix the fob, or it's not worth the trouble to try to repair it, you should buy an entirely new one. There are low-cost options from numerous online retailers, and some of these can even be delivered to your door.