Car Remote Key Repair
Modern car remote keys are useful and convenient, however they can be a hassle when they stop working. Fortunately, there are quick fixes that will usually bring them working again.
First, try replacing the battery. The majority of fobs are powered with lithium coin cells. They are affordable and readily available.
Broken Electronics
The remote car key you have an electronic circuit board inside that transmits and interprets signals to your vehicle. The key fob will cease to function in the event that this board is damaged. Unlike battery failure, which is typically quite easy for most drivers to repair at home damage to the transmitter or receiver of the remote key will require a professional auto locksmith or dealer for your car.
The majority of remote key fobs powered by lithium ion coin battery, which has a long shelf life. However they will not last for long. Change the batteries could solve your problem, especially when they've been in use for a while. You may be surprised when you've been using your remote for a while and the buttons aren't responding at all. This can happen even when the batteries are brand new. Since the buttons on your key fob are subject to a lot of jostling and can break or become unresponsive over time. In this case, removing and cleaning the buttons can fix the problem.
If your remote's buttons aren't working, you might have to re-program it to work with the system in your car. This is typically done by turning the ignition key repeatedly while keeping the doors closed. The procedure will differ based on the make and model however, you will be able to locate instructions online or contact a professional for assistance.
If the key fob is made of plastic, you can take off the cover by prying it open. But be careful not to damage buttons or other internal components. The best tool to use for this is a pair of needle-nose pliers with longer tips that can more easily grasp small pieces. Lubricating the pliers using super glue, melted tallow, or putty can assist them to grasp delicate components. This is something locksmiths in the automotive industry can do, as incorrect methods could cause damage to the electronics. The plastic can be broken in the event that you forcefully pry apart the fob. It is also possible that any buttons attached to it will be ripped off accidentally if forcefully pry it apart.
Faulty Transponder Chip
If you've been able to start your car successfully using the remote key, but you're not able to do it again, it could indicate an issue with the transponder chip. This is because your key relies on this tiny electronic component to communicate with the immobilizer system. It sends a signal to the system that your key is legitimate and that you are able to start the engine. If the chip doesn't correctly transmit this signal the immobilizer will shut down your vehicle.
This problem is more frequent in older vehicles however, it can happen in newer ones as well. The transponder chip wears down over time. It is possible to hire a car locksmith replace this portion of your key, but this could be costly.
In some cases your chip could be dead. If this is the scenario, the chip will require replacement by an auto dealer. This is the most expensive option, however, it is often necessary in order to get your car back on the road.
Another possibility is that the key's chip has become corrupted. This means it can no longer communicate with the immobilizer. This can happen 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 visit the dealership to have your key programmed.
If you're having problems with your remote key the first thing to do is to create a backup. If this doesn't resolve the issue, you should take apart your key fob and conduct a visual inspection. Check that none of the button appears to be loose or broken. These parts are used a lot and can loosen over time. If car key fob repairs are loose, it's recommended to have them soldered back in place by a professional. This can often restore the functionality of your key fob. This is especially applicable to keys that were accidentally inserted into the wrong ignition lock cylinder.
Damaged Battery
If the key fob still not working after you've tried a different one it could be due to a variety of other issues. Fobs may be damaged by water, dropping them or stepping over them, and internal connections, like the ones that connect the battery terminals in the remote, may be broken or disconnected. It is possible to reprogram the key fob, and this may be something you can accomplish on your own if you have a spare fob of the same model and make.
Modern key fobs need to be programmed to match the car and ensure that only you are able to open the doors of your car. This is a crucial step to protect 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's important to get your key fob reprogrammed correctly by a professional who is equipped with the proper equipment.
It's possible that the issue lies with the buttons and is an easier fix than replacing the whole key fob. Often, key fobs have rubberized buttons that get jostled around all the time, and could break or get loose. If you can see that the buttons aren't damaged, you might try manually adjusting them.
It is best to open 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 require an instrument or screwdriver to remove them. Some are sealed and can't be opened without the use of specialized tools. key repairs 'll likely have to take it to a dealership to have it professionally opened. You can use a spare keyfob from the same model and make to access the programming mode of your vehicle. Based on the model of your car it could involve closing and locking the doors, turning the lights and electronic devices on and off and pressing a certain set of buttons in a particular order.
Failing Buttons
If your key fob has buttons that do not work or require being pressing very hard in order to function, it could be the result of mechanical damage. The key fob being dropped on concrete or accidentally hitting one of the buttons with a sharp object can alter the way it works. You'll need take apart the key fob, then examine it to see if there are any buttons that appear to be damaged. A locksmith can repair it for you, if that's the case.
The accumulation of crud or dirt can cause buttons to fail. It is essential to clean your keys regularly with the help of a cotton swab that has been soaked in alcohol. It is possible to clean the surface of the keys. It is also important to determine if the problem is with the locks of your car or with the key fob itself. If you don't have a spare key, try the keys in a different vehicle to determine if it works.
The condition of the battery will determine if you have to change the programming of the key fob. If the key fob you have is not able to work after replacing the batteries, the terminal contacts of the battery could be damaged. Pressing the buttons on your key fob too many times when you are out of range, or disconnecting your car battery could also cause the deprogramming of an electronic key fob.
If your key fob still does not work after replacing the battery you need to re-programme it to the car. This will be dependent on the vehicle model however, generally you'll need to manually lock and unlock the doors of your car, insert the key fob into the ignition, rotate it to the accessory position and push a button on the remote. If this is successful the exterior and/or interior lights should flash. You can then retest your key fob to verify that it is programmed with your vehicle. In rare cases the key fob might be inoperable due to a problem with the door lock.
