Car Remote Key Repair
Modern remotes for cars are useful and convenient, however they can be a hassle when they stop functioning. There are some quick solutions to get them back in operation.
The first step is to replace the battery. The majority of fobs utilize lithium coin cells, which are cheap and readily available.
Broken Electronics
The remote car key you have an electronic circuit board inside that transmits and interprets signals to your vehicle. If the board is damaged the key fob won't work correctly. Contrary to battery failure, which is typically quite easy for most drivers to repair at home damage to the transmitter or receiver of your remote key will require a professional locksmith or your dealer in the car.
Most remote key fobs use lithium ion coin batteries that have a long lifespan, but they won't last for long. If you've been using batteries for a long time, changing them will probably solve your issue. You may be surprised when you've used your remote for a while and the buttons don't respond at all. This can happen even if the batteries are new. Because the buttons on your key fob undergo frequent jolts and rubbing, they may break or become unresponsive over time. If this is the case taking them off and cleaning them before reseating them will often resolve your issue.
If your remote's buttons still don't work, you may need to reprogram it to work with the system in your vehicle. This is usually done by turning the ignition key several times with the doors closed. This will depend on the model and make of your car, but you can locate the steps online or seek professional help.
If the key fob is made of a plastic exterior it is possible to take off the cover and pry it apart. Be careful not to scratch the buttons or internal components. The best tool to accomplish this is a pair of needle-nose pliers with longer tips that can better grasp small components. Lubricating the pliers with super glue, melted tallow or putty can assist them to grasp delicate components. It's recommended to have an automotive locksmith take care of this, since improper techniques could damage the electronic components within. The plastic could be damaged when you attempt to remove the fob with force. It is also possible that any buttons attached to it will be ripped off accidentally if try to forcefully break it.
Faulty Transponder Chip
Transponder chips can fail if you've previously successfully started the car with the remote key but are unable to do so again. This is because your key relies upon this tiny electronic component to communicate with the immobilizer system. It sends a signal to the system that your key is valid and that you are able to start the engine. If the chip is unable to properly transmit this message, the immobilizer disables 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. The chip can be replaced by a locksmith for cars, but it is expensive.
In some cases, the chip in your key may be completely dead. If this is the situation, it's going to require replacement by a dealer. This is the most costly but necessary way to get your car back on the road.
The other possibility is that the chip inside your key has been damaged that means it no is able to communicate with the immobilizer system. This could happen if the battery is replaced or if the key has been physically damaged. A Mesa auto locksmith can resolve this issue, however you may need to go to the dealer to have your key programmed.
If you are having problems with your remote key you should first attempt to backup your device. If this doesn't solve the problem, you should take apart the key fob and conduct a visual examination. You should make sure that there are no buttons that appear to be broken or loose. These parts get lots of use and can easily be lost over time. It is best to have them welded to the correct position by a professional in case they're loose. This will often restore the functionality of your key fob. This is particularly true for keys that were accidentally placed in the wrong ignition lock cylinder.
Damaged Battery
If you've tried a brand new battery and 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, like the ones that connect the battery terminals within the remote, may be damaged or broken. You may have to reprogram your key fob if don't have a replacement similar kind and model.
Modern key fobs must be programmed to match the car to ensure that only you are able to unlock the doors of your car. It's a must to protect your car and prevent others from being able to use 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 cause problems with the programming of your key fob. Professionals equipped with the right tools can reprogramme your key fob properly.
It's also possible that the problem could be with the buttons themselves, which can be a more straightforward fix than replacing the entire key fob. Key fobs often come with rubberized buttons that could be damaged or loosen over time. If you're able to determine that the buttons aren't damaged, you might try manually adjusting them.
It's best to open up the key fob and look at it, but be aware. Some key fobs do not have a simple release mechanism. You may require a screwdriver or small tool to break them. Some fobs are sealed, and are not openable without special tools. key fob repairs 'll have to go to a dealer to have them professionally opened. You can utilize a spare keyfob of the same make and model to start the programming mode of your car. Depending on your car this could mean closing and locking the doors, switching lights and electronics on and off by pressing a particular set of buttons in a certain sequence.
Failing Buttons
Mechanical damage could be to blame if your key fob's buttons do not function or require you to press them very forcefully. Dropping the key fob on concrete or accidentally hitting a button with a sharp object can affect how well it functions. It is necessary to remove the key fob and carefully look at it to determine whether there are any buttons that appear to be damaged. A locksmith will fix it for you if this is the case.
The accumulation of crud or dirt can cause buttons to fail. It is essential to clean your key fob frequently using a cotton swab soaked in alcohol. You may need to clean the surface on the keys. You should also determine if the issue lies with your car locks or the key fob. If you don't have an additional key fob to test, consider using the keys on a different vehicle to see if they function as well.
Whether or not the key fob should be reprogrammed depends on the condition of the battery. 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 often when you are out of range or disconnecting the battery in your car.
If the key fob is not working after replacing the battery, you should have it reprogrammed by your car. It will depend on your 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 the wireless remote. If this works the exterior and/or interior lights will flash. You can then retest your key fob to ensure that it is programmed with your vehicle. In rarer cases, the key fob may not function due to an issue with the door lock.