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 working again.
First, you should replace the battery. Most fobs are powered by lithium coin cells. They are affordable and readily available.
Broken Electronics
The electronic circuit board that is in your remote car key transmits and interprets signals for your car. If this board is damaged, the key fob will not work correctly. Damage to the receiver or transmitter will require an auto-locksmith who is a professional or a car dealer.
The majority of remote key fobs powered by a lithium-ion coin batteries, which have a long shelf life. However they will not last forever. If you've used the batteries for a while, changing them will probably solve your problem. If you've been using your remote fob for a while you may be shocked to discover that the buttons aren't responding at all, even when the batteries are new. The buttons on your keyfob are exposed to a lot jostling and can break or become unresponsive with time. If this happens, removing the buttons, cleaning them, and reseating them will often resolve the issue.
If your remote's buttons still don't work, you may have to program it again to match the system in your car. This is typically accomplished by turning the ignition key repeatedly while keeping the doors closed. The method will vary based on the model and make however, you can find instructions online or consult an expert for assistance.
If the key fob is made of plastic you can remove the cover by pulling it open. However, be careful not to scratch the buttons or other internal components. This is best done with needle-nosed pliers that have longer tips. They can easily grasp small parts. Lubricating the pliers with super glue, melted tallow, or putty will help them grip delicate components. It's recommended to hire an automotive locksmith do this, as improper methods could damage the electronic components within. Trying to forcefully pry the fob off could cause damage to the plastic, and it's also possible to accidentally cut off any buttons connected to it.
Faulty Transponder Chip
If you've managed to start your car using the remote key, but not 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 sends a signal to the system that your key is legitimate and that you are able to start the engine. If the chip does not correctly transmit this message the immobilizer will disable your vehicle.
This problem is more frequent in older cars, but it can also be found in newer vehicles. The transponder chip wears away over time. This part can be replaced by a car locksmith however it is costly.
In some instances the chip may be dead. In this situation the dealer will have to replace it. This will be the most expensive option, but it is usually necessary in order to get your vehicle back on the road.
Another possibility is that the chip in your key has been damaged that means it no longer communicates properly with the immobilizer system. This could happen if the battery is changed or if the key is physically damaged. A Mesa locksmith for cars can fix this, but it may be necessary to visit a dealership for your key programmed again.
If you're experiencing issues with your remote key the first thing you need to try is a backup. If this doesn't fix the issue, disassemble your key fob and perform a visual inspection. Check that none of the button appears to be loose or broken. These parts get lots of use and can easily be lost over time. It's best to have them put to the correct position by a professional in case they're loose. This is often a way to make your key fob. This is particularly applicable to keys that were accidentally placed in the wrong ignition lock.
Damaged Battery
If you've tried a new battery and the key fob is still unable to function, there could be other issues. car key repair shop near me are damaged by dropping them or stepping on them, and the internal connections, like the ones that connect the battery terminals inside the remote, may be broken or disconnected. It's possible that you need to reset the key fob and it could be something you can tackle on your own if you have a spare fob of the same model and make.
Modern key fobs should be programmed to work with your vehicle and ensure that only you can unlock the car doors. This is a vital step to protect your vehicle and prevent others from using your key fob to gain access to your vehicle or cause electrical system malfunctions. 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 crucial to have your key fob reset professionally by a professional who is equipped with the appropriate equipment.
It's possible that the problem lies with the buttons, which is a much easier fix than replacing the entire key fob. Key fobs often come with rubberized buttons that could be damaged or loosen up over time. If you notice that the buttons do not appear to be damaged, you might be able to manually adjust them.
It is recommended 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 may require a small tool or screwdriver to remove them. Others are sealed and can't be opened with specialized tools, so you'll likely need to bring it to a dealer to have it professionally opened. You can use a spare keyfob that is the same model and brand to access the programming mode of your vehicle. This may require you to shut and lock the doors, switch on and off the lights and electronics, and press a series of buttons in an order specific to your car.
Failing Buttons
Mechanical damage may be the reason if the buttons on your key fob don't function or require you to press them forcefully. The key fob's function could be affected by dropping it on concrete or accidentally hitting an item with a sharp item. If this happens you'll have to take the key fob apart and examine it carefully to check whether any of the buttons appear be damaged or out of place. If this is the situation, a locksmith will fix it for you.
Dirt and crud can cause buttons to fail. It is recommended to clean your keys fob using a cotton swab that has been soaked in alcohol. You may need to clean the surface on the keys. You should also try to determine if the issue is with the locks of your car or with the key fob itself. If you don't own a spare key, try using the keys of a different vehicle to see if it works.
The decision of whether or not the key fob requires to be reprogrammed also depends on the condition of the battery. If your key fob fails to operate after you replace the batteries, it likely means that the battery terminal contacts are damaged. You can also deprogram your electronic key fob by pressing the buttons too many times when you are not in range, or by disconnecting the battery in your car.
If the key fob still not working after replacing the battery, be able to reprogramme it with the car. It will depend on the specific car model, but you'll typically need to lock and unlock the doors manually, insert the key into the ignition, change it to accessory, then press a button on the remote that is wireless. If this works the exterior and/or interior lights should flash. It is then possible to test your key fob to confirm that it is successfully programmed with the vehicle. In less rare cases the key fob may stop working if there is an issue with the door lock itself.