Car Remote Key Repair
Modern car remote keys are useful and convenient, but they can be frustrating when they stop working. There are some quick solutions to make them work again.
The first step is to replace the battery. Most fobs use lithium coin cells, which are cheap and easily accessible.
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 if this board is damaged. Contrary to battery failure, which is usually quite easy for most drivers to repair at home Damage to the transmitter or receiver of your remote key will probably require a professional locksmith or dealer for your car.
The majority of remotes that use key fobs have lithium ion coin batteries, that have a long lifespan, but they won't last for a long time. If you've been using batteries for a long time replacing them could solve the issue. If you've been using your remote fob for a long time, you might be surprised to find that the buttons aren't responding at all, even when the batteries are fresh. Because the buttons on your key fob get lots of rubbing and can fail or cease to function over time. In this situation, taking off and cleaning the buttons can fix the problem.
If the buttons on your remote aren't responding, you may have to change the programming to match your car's system. This is typically accomplished by pressing the ignition key multiple times while the doors are shut. This will depend on the make and model of your car, but 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 apart. However, be careful not to scratch the buttons or other internal components. This can be done with needle-nosed pliers which have longer tips. They are able to easily grasp small parts. Lubricating the pliers using super glue, melted tallow or putty will help them grasp delicate components. It's also a good idea to hire an auto locksmith perform this, as improper methods could cause damage to the electronic components inside. Trying to forcefully pry the fob apart could break the plastic, and it's possible to accidentally snap off any buttons connected to it.
A defective transponder chip
If you've been able to start your car using the remote key, but not the next time, it could indicate that there is a problem with your 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 to let it know that your key is in good condition, and you'll be able start your vehicle. If the chip does not correctly transmit this message, the immobilizer will disable your vehicle.
This issue is more prevalent in older cars, however it can also be found in more modern vehicles. The transponder chip wears out over time. It is possible to get a locksmith for your car replace this portion of your key, however this could be costly.
In some instances the chip in your key could be dead. In this case the dealer will need to replace it. This is the most costly but necessary way to get your car back on the road.
Another possibility is that the chip inside the key has become damaged that means it no longer communicates properly with the immobilizer system. This can happen when the battery is replaced, or when there is physical damage to the key. A Mesa car locksmith can sometimes solve this issue, but it may be necessary to visit the dealer in order to have your key reprogrammed.
If you're experiencing issues with your remote key, the first thing you need to consider is backup. If this doesn't solve the problem, you should disassemble your key fob and do an inspection. It is important to ensure that none of the buttons appear to be damaged or loose. These components see lots of use and may be moved around over time. It is best to have them welded in place by a professional if they are loose. In many instances, this will return your key fob's functionality. This is particularly the case for keys that have been accidentally put in the wrong ignition lock cylinder.
Damaged Battery
If you've tried a brand new battery, but the key fob doesn't function, there could be other issues. Fobs are damaged by water, dropping them, or stepping on them, and the internal connections, like those that connect the battery terminals inside the remote, may also be broken or disconnected. It is possible to change the programming of the key fob, and this is something you can do yourself if you have a spare fob from the same model and make.
Modern key fobs should be programmed to match your car and ensure that only you have the ability to unlock the car's doors. It's a necessary step to safeguard your vehicle and to prevent other people from using your key fob to gain access to your vehicle or cause issues with its electrical system. Some engine error codes or even normal wear and tear could cause a problem with the programming of your key fob. Professionals with the right equipment can reprogramme your key fob properly.
It's possible that the issue is in the buttons and is an easier solution than replacing the entire key fob. Key fobs typically have rubberized buttons that are jostled around all the time, and can break or become loose. If you're able to determine that the buttons aren't damaged you could try adjusting them manually.
Open the fob key to look at it, but take care. Certain key fobs don't have an easy release mechanism. You may require a small tool or screwdriver to remove them. Some fobs are sealed and cannot be opened without the use of specialized tools. You'll need to take them to a professional to have them professionally opened. car key fob repair near me can use a spare keyfob that is the same model and make to enter the programming mode of your vehicle. Based on the model of your car this could mean closing and locking the doors, turning lights and electronics on and off, and pressing a specific set of buttons in a specific sequence.
Failing Buttons
If your key fob has buttons that do not work or need to be pressing very hard in order to work it could be the result of mechanical damage. The functionality of the key fob could be affected by dropping it on concrete or accidentally hitting an item by using a sharp object. If this is the case, you'll need to remove the key fob and carefully see if any of the buttons appear be damaged or out of the right place. A locksmith will fix it for you if that's the case.
The accumulation of crud or dirt can cause buttons to fail. You should clean your key fob with a cotton swab that has been immersed in alcohol. You may have to scrub the surface on the keys. It is also important to determine if the problem is with your car locks or the key fob. If you don't have an extra key fob to test, consider trying the keys on another vehicle to determine if they work also.
The condition of the battery will determine if you need to reprogram the key fob. If your key fob doesn't work after replacing the batteries, the terminal contacts of the battery could be damaged. You can also deprogram your electric 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 have to lock and unlock the doors manually, insert the key into the ignition, turn it to accessory, and press a button on the remote that is wireless. Usually the exterior and interior lights will light up if this is successful. You can test the key fob to confirm that it has been successfully programmed. In rare cases the key fob could stop working due to problems with the door locks.