Car Remote Key Repair
Modern car remote keys are very useful and convenient, but they can be a hassle when they stop working. There are fortunately, quick fixes that will usually get them working again.
Replace the battery first. The majority of fobs utilize lithium coin cells, which are inexpensive and readily available.
Broken Electronics
Your remote car key has an internal electronic circuit board that transmits and interprets signals to your car. The key fob will cease to function if this board is damaged. 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 battery, which has a long shelf life. However, they will not last for a long time. If you've used the batteries for a long time replacing them is likely to solve your issue. You might be shocked if you've been using your remote for a long time and the buttons aren't responding at all. This can happen even if the batteries are new. The buttons on your keyfob are subjected to a lot jostling and can break or become inactive with time. If key repairs happens, removing the buttons, cleaning them, and placing them back in place will usually resolve the issue.
If the buttons on your remote still don't respond, you may have to change the programming to match your car's system. This is usually done by turning the ignition key several times with the doors shut. This will depend on the model and make of your car, but you can find instructions online or seek professional help.
If the key fob is made of plastic you can remove the cover by tearing it apart. Be careful not to scratch any buttons or internal components. The best tool for this is needle-nose pliers with longer tips, which can more easily grasp small parts. Lubricating the pliers using super glue, melted tallow, or putty can help them grip delicate components. This is something that an automotive locksmith can perform, since the wrong methods could damage the electronics. If you try to forcefully break the fob off could damage the plastic, and it's possible to accidentally snap off the buttons that are attached to it.
Faulty Transponder Chip
Transponder chips could malfunction if you've previously had the ability to start your car using the remote key, but you cannot do it again. This is because your key relies upon this tiny electronic component to communicate with the immobilizer system. It signals the system that your key is legitimate and that you are capable of starting the engine. If the chip is unable to correctly transmit this message, the immobilizer disables your vehicle.
This problem is more frequent in older cars, however it can also occur in modern vehicles. The transponder chip wears out over time. This component can be replaced by a locksmith for cars however it is costly.
In some cases the chip inside your key could be dead. If this is the case, it will require replacement by an auto dealer. This is the most expensive but essential option to get your vehicle back on the road.
Another possibility is that the key's chip has become corrupted. This means that it will not 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 locksmith in your car can fix this, but it is possible to go to the dealership if you need to get your key programmed again.
If you're experiencing issues with your remote key you should first attempt to backup your device. If this doesn't resolve the issue, you should take apart your key fob and perform a visual examination. Make sure all buttons appear to be damaged or loose. These components are frequently used and can loosen over time. If they are loose it is best to get them re-soldered by an experienced professional. In most cases, this will restore your key fob's functionality. This is especially applicable to keys that are accidentally inserted into the wrong ignition lock.
Damaged Battery
If you've tried a new battery but the key fob still won't function, there could be other issues. Fobs may be damaged by water, dropping them or stepping over them, and internal connections, like those that connect the battery terminals in the remote, could be broken or disconnected. It is possible to reprogramme your key fob in case you don't have a spare of the same model and type.
Modern key fobs must be programmed to match the car to ensure that only you are able to unlock the doors of your car. This is a vital step to safeguard your vehicle and prevent other people from using your key fob to gain access to your car or cause electrical system problems. Some engine error codes, or even normal wear and tear, can corrupt the programming of your key fob. Professionals equipped with the right tools can reprogram your key fob in a proper manner.
It's also possible that the problem is with the buttons, which can be a simpler fix than replacing the entire key fob. Often, key fobs have rubberized buttons that are tossed around constantly and may break or loosen. If you see that the buttons do not appear to be damaged, you may be able to manually adjust them.
Open the key fob to inspect it, but be careful. Certain key fobs don't have a simple release mechanism. You might require a screwdriver or small tool to remove them. Certain fobs are sealed and cannot be opened without the use of specialized tools. You'll have to take them to a dealer to get them professionally opened. If you have an extra key fob from the same model and brand, try using it to enter the programming mode of your car. Based on the model of your car, this may involve closing and locking the doors, turning lights and electronics on and off and pressing a certain set of buttons in a specific sequence.
Failing Buttons
Mechanical damage could be to blame if the buttons on your key fob aren't working or require you to press them very forcefully. Dropping the key fob onto concrete or accidentally hitting one of the buttons with a sharp object could alter the way it functions. If this is the case you'll need to remove the key fob and carefully check whether any of the buttons appear be damaged or out of the right place. If this is the case, a locksmith could repair it for you.
Dirt or crud can also cause buttons to fail. It is essential to clean your keys regularly with a cotton swab soaked in alcohol. You may need to clean the surface on the keys. You should also try to determine if the problem is with the locks of your car or with the key fob itself. If you don't have an extra key fob to test, think about trying the keys on another vehicle to see if they work also.
The condition of the battery will determine whether or not you need to reprogram the key fob. If your keyfob does not function 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 the battery in your car.
If the key fob does not work after replacing the battery you should have it reprogrammed to the car. It will depend on your particular vehicle model, but you'll typically require locking and unlocking the doors manually, insert the key into the ignition, change it to accessory, and press a button on the wireless remote. Usually the interior and exterior lights will flash when this is successful. It is possible to test the key fob in order to confirm that it has been successfully programmed. In rare instances the key fob might stop working due to a problem with the door lock.