Car Remote Key Repair
Modern car remote keys are useful and convenient, but they can be a hassle when they stop functioning. Fortunately, there are quick fixes that will usually get them back in operation.
First, try replacing the battery. Most fobs are equipped with lithium coin cells, which are affordable and readily available.
Broken Electronics
The electronic circuit board inside your car key remote transmits and interprets signals for your car. If the circuit board is damaged the key fob will not work correctly. Unlike battery failure, which is usually very simple for most drivers to fix at home Damage to the receiver or transmitter of the remote key will require a professional locksmith or your dealer in the car.
Most remote key fobs use lithium ion coin batteries, which have a reasonably long time-to-life, but won't last for a long time. If you've been using the batteries for a long time replacing them could solve your issue. You might be shocked if you've used your remote for some time and the buttons do not respond at all. This is true even in the case of batteries that are new. Because the buttons on your key fob get frequent jolts and rubbing, they may fail or cease to function over time. If this happens taking them off, cleaning them, and placing them back in place will usually resolve the issue.
If the buttons on your remote still aren't working, you might have to change the programming to match the system of your car. This is usually done by turning the ignition key several times while the doors are closed. This will depend on the make and model of your vehicle, however you can find instructions on the internet or ask a professional for assistance.
If the key fob is made of a plastic exterior it is possible to remove the cover and pull it apart. Be careful not to scratch the buttons or other internal components. This is best done with a pair needle-nosed pliers that have longer tips. They can easily grasp small parts. Lubricating the pliers using super glue, melted tallow, or putty can assist them to grip delicate components. This is something that an automotive locksmith can do, as incorrect methods could damage the electronic components. If you try to forcefully break the fob apart can cause damage to the plastic, and it's also possible to accidentally snap off any buttons connected to it.
Faulty Transponder Chip
If you've managed to start your car using the remote key, but you're not able to do it ever again, it could be a sign of an issue with the transponder chip. This is because your key relies on this small electronic component to communicate with the immobilizer system. It signals the system that your key is valid and that you should be able to start the engine. If the chip fails to transmit this signal, the immobilizer will disable your vehicle.
This issue is common in older vehicles, but can also happen in modern vehicles too. The transponder chip wears out over time. It is possible to have a car locksmith replace this portion of your key, however this can be expensive.
In some cases, your chip may be dead. If this is the case, it will need to be replaced by a dealer. This is the most expensive option, but 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 that it will not communicate with the immobilizer. This could happen when the battery is replaced, or it can occur when there is physical damage to the key. A Mesa car locksmith can sometimes repair this, however it might be necessary to visit a dealership in order to have your key programmed again.
If you're having issues with your remote key, you must first attempt to backup your device. If this doesn't resolve the issue, you should take apart your key fob and conduct a visual inspection. It is important to ensure that all buttons appear to be damaged or loose. These parts are often used and can loosen over time. It is recommended to have them put in place by an expert in case they're loose. This can often make your key fob. This is particularly true for keys that were accidentally placed in the wrong ignition lock.
Damaged Battery
If you've tried a new battery but the key fob is still unable to function, there could be other issues. Fobs may be damaged by dropping them, or stepping on them, and the internal connections, such as those that connect the battery terminals in the remote, may also be damaged or disconnected. It's possible to reset the key fob and this is something you can accomplish yourself if you have a spare fob of the same model and brand.
company website should be programmed to work with your car and ensure that only you are able to unlock the car's doors. It's a crucial step to safeguard your vehicle and prevent others from using your key fob to gain access your vehicle or cause issues with its electrical system. Certain engine error codes or even normal wear-and-tear can corrupt the programming and prevent your key fob from functioning. Professionals equipped with the right tools can reprogramme your key fob correctly.
It's possible that the problem is with the buttons, which is a much more straightforward fix than replacing the entire key fob. Most key fobs feature rubberized buttons that get jostled around all the time and may break or loosen. If you can see that the buttons aren't damaged you can try adjusting them manually.
Open the fob key to look at it, but take care. 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 cannot be opened without specialized tools. You'll need to take them to a professional to have them professionally opened. You can use a spare keyfob that is the same model and brand to enter the programming mode of your car. It may require you to shut and lock the doors, switch on and off lights and electronic devices, and then use a set of buttons in a sequence that is unique to your car.
Failing Buttons
Mechanical damage may be the reason if the buttons on your key fob aren't working 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 by using a sharp object. If this is the case, you'll need to disassemble the key fob and carefully see whether any buttons appear to be broken or out of the right place. If that is the case, a locksmith can fix it for you.
The accumulation of crud or dirt can 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 is possible to clean the surface of the keys. It is also important to determine if the problem is related to your car lock or the key fob. If you don't have an additional key fob to test, think about using the keys on a different vehicle to see if they work as well.
The condition of the battery will also determine if you should change the programming of the key fob. If your key fob is not able to operate after you replace the batteries, it likely indicates that the battery's terminal contacts are damaged. You can also reset your electric key fob by pressing the buttons too frequently when you're out of range, or by disconnecting your car's battery.
If the key fob still not functioning after replacing the battery, you should have it reprogrammed by the car. It will depend on the specific vehicle model, but you'll typically need to lock and unlock the doors manually, insert the key into the ignition, turn it to accessory, then press a button on the remote that is wireless. If this is successful then the interior and exterior lights should light up. You can retest the key fob in order to confirm that it has been successfully programmed. In rare instances the key fob could not function due to an issue with the door locks.