Car Remote Key Repair
Modern car remote keys are very useful and convenient, however they can be a hassle when they stop working. Thankfully, there are some simple fixes that are able to bring them back in operation.
Replace the battery first. The majority of fobs are powered with lithium coin cells. They are affordable and easily accessible.
Broken Electronics
Your car key remote has an internal electronic circuit board that transmits and interprets signals to your car. If this board is damaged the key fob will not perform as it should. Unlike battery failure, which is generally very simple for most drivers to repair at home damage to the transmitter or receiver of your remote key will require a professional locksmith or your car dealer.
Most remote key fobs are powered by a lithium-ion coin battery, which has an extended shelf life. However they won't last for long. Change the batteries could solve the issue, particularly if you've had them for a long time. If you've been using your remote fob for a long period of time you may be shocked to find that the buttons aren't responding at all, even when the batteries are in good condition. The buttons on your keyfob will be subjected to a lot jostling and may break or become inactive with time. In this instance, removing and cleaning the buttons can fix the problem.
If the buttons on your remote aren't responding, you may need to reprogramme it to match the system of your car. This is usually done by turning the ignition key a few times while the doors are closed. The process will vary depending on the make and model, but you will be able to locate instructions online or consult an expert for assistance.
If the key fob is made of a plastic exterior, it's possible to remove the cover and then pry it apart. Be careful not to damage buttons or other internal components. This is best done with needle-nosed pliers which have longer tips. They can easily grasp small components. Lubricating the pliers with super glue, melted tallow, or putty can help them grip delicate components. This is something that an automotive locksmith can do, as incorrect methods could damage the electronic components. If you try to forcefully break the fob apart could cause damage to the plastic, and it's possible to accidentally break the buttons that are attached to it.
Faulty Transponder Chip
If you've been able start your car successfully using the remote key, but not the next time, it could indicate a problem with the transponder chip. This is because the key relies on a tiny electronic component to communicate with the immobilizer system. It sends the signal to the system to let it know that your key is in good condition, and you'll be able start your vehicle. If the chip fails to properly transmit this message, the immobilizer will disable your vehicle.
This problem is more frequent in older vehicles, but it can also be found in more modern vehicles. The transponder chip wears away over time. This component can be replaced by a locksmith for cars, but it is expensive.
In certain cases, the chip in your key might be dead. If this is the situation, it's going to need to be replaced by a dealer. This will be the most expensive option, but it is usually required to get your vehicle back on the road.
Another possibility is that your key's chip has become corrupted. This means it can not communicate with the immobilizer. This could happen if the battery is changed or if your key is physically damaged. A Mesa auto locksmith can resolve this issue, however you may have to visit the dealer to have your key programmed.

If you're experiencing issues with your remote key, the first thing to try is backup. If this doesn't solve the issue, disassemble your key fob and conduct a visual examination. It is important to ensure that there are no buttons that appear to be damaged or loose. These components see frequent use and may be lost over time. If they're loose it is best to get them reattached by an expert. This will often make your key fob. This is especially true for keys that were accidentally placed into the wrong ignition lock cylinder.
Damaged Battery
If you've tried a new battery but the key fob is still unable to work, there could be other issues. Fobs can be damaged by water, dropping them, or stepping on them, and internal connections, like those that connect the battery terminals within the remote, may be damaged or disconnected. You may have to reprogram your key fob if do not have a spare that is the same type and model.
Modern key fobs should be programmed to match your car and ensure that only you can unlock the car doors. This is a vital step to secure your vehicle and stop others from using your key fob to gain access to your car or cause electrical system malfunctions. Certain engine error codes, or even normal wear and tear, can corrupt the programming of your key fob. It's important to get your key fob reprogrammed professionally by a professional who has the proper equipment.
It's possible that the issue could be with the buttons themselves and this could be a more straightforward fix than replacing the entire key fob. Key fobs typically have rubberized buttons that are tossed around all the time, and may break or loosen. If you are able to see that the buttons aren't damaged, you could try adjusting them manually.
It is best to open the key fob and take a look at it, but be cautious. Some key fobs do not have an easy release mechanism. You might require an instrument or screwdriver to break them. remote key fob repair near me are sealed and can't be opened at all without the use of specialized tools. You'll likely need to go to a dealership to have it opened professionally. If you have an extra key fob for the same model and brand you want to use it, try using it to enter your car's programming mode. Based on the model of your car it could involve closing and locking the doors, switching lights and electronic devices on and off, and pressing a specific set of buttons in a certain sequence.
Failing Buttons
Mechanical damage may be the reason if the buttons on your key fob do not function or require you to press them hard. The key fob's function could be affected by a fall on concrete or accidentally hitting the button with a sharp item. If this is the case you'll need to take the key fob apart and examine it carefully to determine whether any buttons appear to be damaged or are out of the right place. A locksmith will fix it for you if that's the case.
Dirt and crud can cause buttons to fail. It is essential to clean your key fob regularly using the help of a cotton swab that has been soaked in alcohol. It is also possible to clean the surface of the keys. You should also try to determine if the problem is with the locks of your car or the key fob itself. If you don't have an extra key, try the keys in another vehicle to see if it works.
The decision of whether or not the key fob requires to be reprogrammed depends on the condition of the battery. If your keyfob does not function after replacing the batteries the terminal contacts of the battery may be damaged. You can also deprogram your electronic key fob by pressing the buttons too many times when you're out of range or disconnecting your car's battery.
If the key fob is still not working after replacing the battery, get it reprogrammed with the car. It will depend on the specific car model, but you'll generally require locking and unlocking the doors manually, insert the key into the ignition, turn it to accessory, and press the wireless remote. If this works the exterior and/or interior lights should flash. You can test the key fob to confirm that it has been successfully programmed. In rare cases, the key fob may be inoperable due to problems with the door locks.