Car Remote Key Repair
Modern car remotes are convenient and useful but they can be frustrating if they stop functioning. There are a few easy solutions to get them working again.
The first step is to replace the battery. The majority of fobs utilize lithium coin cells, which are inexpensive and easily accessible.
Broken Electronics
The electronic circuit board inside your car key remote transmits and interprets signals for your car. If remote car key repairs is damaged the key fob won't work correctly. Unlike battery failure, which is typically quite easy for most drivers to repair at home Damage to the receiver or transmitter of the remote key will require a professional locksmith or your car dealer.
The majority of remote key fobs are powered by lithium ion coin battery, which has a long shelf life. However they won't last for long. Change the batteries could solve your problem, especially if you've had them for a long time. You might be shocked if you have been using your remote for a long time and the buttons aren't responding at all. This is the case even when the batteries are brand new. The buttons on your keyfob will be subjected to a lot of bouncing and can break or become unresponsive over time. If this is the case taking them off and cleaning them before placing them back in place will usually resolve your problem.
If your remote's buttons still don't work, you may have to re-program it to match the system of your car. This is typically accomplished by turning the ignition key several times while the doors are closed. This will depend on the model and make of your vehicle, however you can find the instructions on the internet or consult a professional.
If the key fob is made of plastic, you can remove the cover by pulling it off. Be cautious not to damage the buttons or internal components. This can be done with needle-nosed pliers that have longer tips. They are able to grasp small components. Lubricating the pliers with super glue, melted tallow, or putty can help them grasp delicate components. This is something locksmiths in the automotive industry can use, since improper methods could damage the electronic components. If you try to forcefully break the fob apart could cause damage to the plastic, and it's also possible to accidentally cut off the buttons that are connected to it.
Chips in the transponder are defective.
If you've been able to start your car successfully using the remote key, but not again, it could indicate a problem with the transponder chip. This is because the key relies on a small electronic component in order to communicate with immobilizer system. It sends the signal to the system to notify it that your key is valid, and you should be able begin the vehicle. If the chip fails to transmit this signal, the immobilizer will disable the vehicle.
This issue is most common in older vehicles however, it can happen in modern vehicles also. The transponder chip wears out over time. It is possible to have a car locksmith replace this component of your key, but it can be costly.
In some cases your chip could be dead. If this is the scenario, the chip will require replacement by a dealer. This is the most expensive but necessary way to get your car back on the road.
The other possibility is that the chip inside your key has become corrupted and it is unable to longer works properly with the immobilizer system. This can occur when the battery is replaced, or it can occur in the event of physical damage to the key. A Mesa auto locksmith can resolve this issue, however you may need to go to the dealer to have your key programmed.
If you're having issues with your remote key you must first try a backup. If this doesn't resolve the issue, you can take apart your key fob and examine it visually. Make sure there are no buttons that appear to be broken or loose. These parts are often used and may become loose as time passes. It's best to have them soldered in place by an expert if they are loose. In a lot of instances, this will restore your key fob to full functionality. This is especially applicable to keys that were accidentally placed into the wrong ignition lock.
Damaged Battery
If you've tried a fresh battery, but the key fob still won't work, there could be other issues. Fobs may be damaged by dropping them, or stepping on them, and the internal connections, such as the ones that connect the battery terminals within the remote, may also be damaged or disconnected. It is possible to reprogram the key fob, and this is something you can do on your own if you have a spare fob of the same model and brand.
Modern key fobs need to be programmed to match your vehicle, and ensure that only you have the ability to open the doors of your car. This is a vital step to secure your vehicle and prevent 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 can corrupt the programming of your key fob. It is crucial to have your key fob reset properly by a professional with the appropriate equipment.
It's possible that the issue is in the buttons that are a much easier fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are tossed around all the time and could break or get loose. If you're able to determine that the buttons aren't damaged, you might try manually adjusting them.
It's best to open up the fob that you're using to look at it, but be cautious. Certain key fobs do not have a simple release mechanism. You may need a small tool or screwdriver to break them. Some fobs are sealed, and cannot be opened without the use of specialized tools. You'll have to bring them to a dealer to have them professionally opened. If you have an extra key fob for the same model and brand you want to use it, try using it to start your car's programming mode. It may require you to shut and lock the doors, turn on and off the lights and electronics, and press a series of buttons in a sequence specific to your car.
Failing Buttons
If your key fob has buttons that do not function or require to be press very hard to work it could be the result of mechanical damage. Dropping the key fob on concrete or accidentally hitting one of the buttons with a sharp object can impact the way it functions. You'll have to dismantle the key fob and look over it to determine whether there are any buttons that appear to be broken. A locksmith can fix it for you if this is the case.
Dirt or crud can also cause buttons to fail. It is essential to clean your keys regularly using a cotton swab soaked in alcohol. It may also be necessary to clean the surface of the keys themselves. It is also important to determine if the problem is related to your car lock or the key fob. If you don't have a spare key, you can try the keys in another vehicle to see if it works.
The decision of whether or not the key fob should be reprogrammed is also dependent on the condition of its battery. If your key fob is unable to function after replacing the batteries, it most likely indicates that the battery's terminal contacts are damaged. You can also deprogram your electric key fob by pressing the buttons too often when you are out of range or disconnecting your car's battery.
If the key fob is not working after replacing the battery, have it reprogrammed by the car. It will depend on the particular model of vehicle and the type of key fob you have, but generally, you'll need to manually lock and unlock the car's doors, insert the key fob into the ignition, turn it to the accessory position and then push a button on the remote. Usually, the exterior and interior lights will flash if this has worked. Then, you can test your key fob to ensure that it is successfully programmed to the vehicle. In rarer cases the key fob could be inoperable due to an issue with the door lock.