Car Remote Key Repair
Modern car remotes are useful and convenient but they can be frustrating if they stop functioning. There are a few easy fixes to get them back in operation.
First, try replacing the battery. Most fobs are equipped with lithium coin cells, which are inexpensive and easily accessible.
Broken Electronics
Your remote car key has an electronic circuit board inside that transmits and interprets signals to your car. If this board is damaged the key fob will not work correctly. Damage to the transmitter or receiver will require a professional auto-locksmith or your car dealer.
Most remote key fobs are powered by a lithium-ion coin batteries, which have a long shelf life. However, they will not last forever. If you've been using batteries for a long period of time replacing them could solve your issue. If you've been using your remote fob for a long period of time and you're surprised to discover that the buttons don't respond in any way, even if the batteries are new. The buttons on your keyfob will be subjected to a lot of bouncing and can break or become inactive with time. In this situation, taking off and cleaning the buttons will usually fix the problem.
If your remote's buttons still not working, you might have to program it again to work with the system in your car. This is usually done by turning the ignition key several times while the doors are closed. The process will vary depending on your car's model and make, but you should be able to find instructions online or ask an expert for assistance.
If the key fob is made of plastic, you can take off the cover by pulling it open. Be careful not to scratch the buttons or internal components. This is best done using needle-nosed pliers which have longer tips. They are able to easily grasp small parts. Lubricating pliers with putty, melted tallow or super glue can help them grasp delicate components. This is something an automotive locksmith can do, as incorrect methods could damage the electronics. The attempt to forcefully pull the fob off could break the plastic, and it's possible to accidentally break any buttons attached to it.
car key fob repair could malfunction if you've previously had the ability to start your car with the remote key, but are unable to do so again. This is because the key relies on a tiny electronic component to communicate with immobilizer system. It sends a signal to the system to inform it that your key is valid, and you should be able start the vehicle. If the chip does not correctly transmit this message, the immobilizer is disabled for your vehicle.
This problem is more frequent in older cars, but it is also a problem in newer vehicles. This is due to the transponder chip may wear out over time. It is possible to hire a car locksmith replace this component of your key, but it can be costly.
In certain cases the chip inside your key may be completely dead. In this situation the dealer will have to replace it. This is the most costly but essential option to get your vehicle back on the road.
Another possibility is that your key's chip is damaged. This means it can not communicate with the immobilizer. This could happen when the battery is replaced or if the key is physically damaged. A Mesa car locksmith can sometimes solve this issue, but it may be necessary to go to the dealership for your key programmed again.
If you're experiencing issues with your remote key, you should first try 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 damaged. These parts get frequent use and may be lost over time. It is recommended to have them welded in place by a professional when they're loose. This is often a way to restore the functionality of your key fob. This is especially the case for keys that were accidentally put into the wrong ignition lock.
Damaged Battery
If the key fob not working after you've tried a new one, it could be due to other problems. Fobs are damaged by water, dropping them, or stepping on them, and internal connections, such as those that connect the battery terminals inside the remote, may be damaged or broken. It is possible to reprogramme your key fob in case you don't have a replacement that is the same kind and model.
Modern key fobs must be programmed to match the car 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. Certain engine error codes, or wear and tear from normal wear and tear could corrupt the program and stop your key fob from working. It is essential to have your key fob reprogrammed correctly by a professional with the right equipment.
It's possible that the issue is with the buttons themselves and this could be a less complicated solution than replacing the entire key fob. Most key fobs feature rubberized buttons that are jostled around constantly and can break or become loose. If you can 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. Certain key fobs do not have an easy release mechanism. You may require a small tool or screwdriver to break them. Some fobs are sealed and are not openable without special tools. You'll need to go to a dealer to get 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 access the programming mode of your car. This could require you to shut and lock the doors, turn on and off lights and electronics, and use a set of buttons in a sequence that is specific to your vehicle.
Failing Buttons
Mechanical damage could be to blame when the buttons on your key fob do not function or require you to press them very hard. The functionality of the key fob could be damaged by dropping it onto concrete or accidentally hitting the button by using a sharp object. You'll have to dismantle the key fob, then look at it to determine whether there are any buttons that appear to be damaged. If this is the situation, a locksmith will fix it.
Dirt or crud can also cause buttons to fail. It is essential to clean your keys regularly using the help of a cotton swab that has been soaked in alcohol. It may also be necessary to clean the surfaces of the keys. It is also important to determine if the problem is with the locks of your car or the key fob itself. If you don't have a spare key fob to test, think about using the keys in a different vehicle to determine if they work similarly.
The decision of whether or not the key fob should be reprogrammed also depends on the condition of its battery. If your key fob doesn't function after replacing the batteries, the terminal contacts of the battery are likely damaged. Pressing the buttons on your key fob too often while out of range or disconnecting your car battery could also deprogram an electronic key fob.
If the key fob doesn't work after replacing the battery, you should have it reprogrammed to your car. It will depend on your particular vehicle model, but generally you'll have to lock and unlock the doors manually. Simply insert the key into the ignition, change it to accessory, and press a button on the remote that is wireless. Usually the exterior and interior lights will flash when this method has worked. You can then retest your key fob to verify that it has been successfully programmed with your vehicle. In less rare cases, a key fob can not function if there is an issue with the door lock itself.