Car Remote Key Repair
Modern remotes for cars are useful and convenient, however they can be a hassle when they stop functioning. Fortunately, there are quick fixes that will usually bring them back in operation.
Replace the battery first. The majority of fobs are powered by lithium coin cells. These are cheap and easily accessible.
Broken Electronics
Your car key remote has an electronic circuit board inside that transmits and interprets signals to your car. The key fob will cease to function when the board is damaged. Unlike battery failure, which is generally quite easy for most drivers to fix at home damage to the transmitter or receiver of your remote key will require a professional locksmith or dealer for your car.
The majority of remote key fobs powered by a lithium ion coin battery, which has a long shelf life. However, they will not last forever. If you've been using the batteries for a while, changing them will probably solve your problem. If you've been using your remote fob for a long time, you might be surprised to find that the buttons aren't working in any way, even if the batteries are fresh. Since the buttons on your key fob undergo frequent jolts and can break or become inactive over time. In this case, removing and cleaning the buttons will usually fix the problem.
If the buttons on your remote don't work, you may have to re-program it to match the system in your car. This is typically done by turning the ignition key several times while the doors are shut. This will depend on the model and make of your vehicle, however you can find instructions on the internet or ask a professional for assistance.
If the key fob is made of a plastic exterior it is possible to take off the cover and pry it apart. But be careful not to damage buttons or other internal components. This is best done with a pair needle-nosed pliers that have longer tips. They are able to grasp small components. Lubricating pliers with putty super glue or melted tallow can help them grasp delicate parts. This is something an automotive locksmith could perform, since the wrong methods could damage the electronics. The plastic could be damaged if you try to forcefully pry apart the fob. It's also possible any buttons that are attached to it may snap off accidentally if you forcefully pull it apart.
Faulty transponder chip
If you've managed to start your car using the remote key, but you're not able to do it the next time, it could indicate a problem with the transponder chip. This is because your key relies on this small electronic component to communicate with the immobilizer system. It signals the system that your key is valid and you should be in a position to start the engine. If the chip is unable to properly transmit this message, the immobilizer will disable your vehicle.
This problem is more common in older vehicles, but it can also occur in more modern vehicles. The transponder chip wears away over time. It is possible to have a car locksmith replace this part of your key, however it can be costly.
In some instances the chip may be dead. In this situation the dealer will have to replace it. This is the most costly but necessary way to get your car back on the road.
The other possibility is that the chip inside your key has been damaged that means it no is able to communicate with the immobilizer system. This could happen when the battery is replaced or if your key is physically damaged. A Mesa car locksmith can sometimes solve this issue, but it is possible to visit the dealer if you need to get your key programmed once more.
If you're having problems with your remote key the first thing you need to do is to create an alternative. If this doesn't solve the issue, disassemble the key fob to perform a visual examination. You should make sure that all buttons appear to be broken or loose. These parts are often used and can become loose over time. If they're loose it's recommended to have them re-soldered by an expert. In most instances, this will return your key fob to full functionality. This is especially the case for keys that are accidentally inserted into the wrong ignition lock.
Damaged Battery
If you've tried a fresh battery but the key fob doesn't work, there could be other issues. Fobs can be damaged by water, or dropped or stepped on. company website , such as ones that connect to battery terminals in the remote, may also be damaged or disconnected. You may need to reprogram your key fob if don't have a replacement of the same kind and model.
Modern key fobs should be programmed to work with your vehicle and ensure that only you can open the doors of your car. This is a crucial step to secure your vehicle and stop others from using your key fob to gain access to your vehicle or cause electrical system issues. Some engine error codes, or even normal wear and tear, could cause a problem with the programming of your key fob. Professionals with the right equipment can reprogram your key fob properly.
It's also possible that the problem could be with the buttons themselves which could be a more straightforward fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are tossed around constantly and may break or loosen. If you notice that the buttons don't appear to be damaged, you might need to adjust them manually.
Open the fob key to look at it, but be careful. Some fobs aren't equipped with an easy release mechanism, so you might need a small screwdriver or some other tool to break them. Some are sealed and can't be opened without special tools, so you'll likely have to bring it to a dealer to have it opened professionally. If you have an extra key fob for the same model and manufacturer, try using it to access the mode of programming for your car. Depending on your car it could involve closing and locking the doors, turning the lights and electronics on and off and pressing a certain set of buttons in a specific order.
Failing Buttons
Mechanical damage may be the reason if your key fob's buttons do not function or require you to press them very in a very forceful manner. The key fob being dropped on concrete or accidentally hitting one of the buttons with a sharp object may alter the way it performs. You'll need take apart the key fob and carefully look over it to determine if there are any buttons that appear to be broken. A locksmith can fix it for you, if that's the case.
Failure of buttons could also be the result of dirt or crud trapped between the buttons. It is important to clean your key fob regularly with the help of a cotton swab that has been soaked in alcohol. It is also possible to clean the surface of the keys. It is also important to determine if the issue is with the locks of your car or the key fob itself. If you don't have a spare key, you can try the keys in a different vehicle to determine if it works.
The condition of the battery will determine whether or not you need to reprogram the key fob. If the key fob you have is not able to function after replacing the batteries the terminal contacts of the battery could be damaged. You can also reset your electric key fob by pressing the buttons too many times when you're out of range or disconnecting the battery in your car.
If the key fob is still not functioning after replacing the battery, be able to reprogramme it with your vehicle. It will depend on your particular vehicle model, but generally you'll need to lock and unlock the doors manually. Insert the key into the ignition, turn it to accessory, then press a button on the remote that is wireless. If this is working then the interior and exterior lights will flash. Then, you can test your key fob to confirm that it is programmed with your vehicle. In rare cases the key fob might stop working due to an issue with the door locks.