Car Remote Key Repair
Modern car remotes are useful and convenient but they can be frustrating when they stop working. There are some quick fixes to get them working again.

First, try replacing the battery. Most fobs are equipped with lithium coin cells, which are affordable and easy to find.
Broken Electronics
Your car key remote has an internal electronic circuit board that transmits and interprets signals to your vehicle. If the circuit board is damaged, the key fob will not perform as it should. Damage to the transmitter or receiver will require an auto-locksmith professional or your car dealer.
Most remote key fobs are powered by a lithium-ion coin battery, which has an extremely long shelf life. However they will not last for a long time. If you've been using batteries for a while, changing them will probably solve your issue. You may be surprised if you've been using your remote for a long time and the buttons do not respond at all. This is the case even when the batteries are brand new. The buttons on your keyfob are subjected to a lot jostling and may break or become unresponsive with time. If this happens, removing the buttons and cleaning them before replacing them can often solve your problem.
If the buttons on your remote aren't working, you might need to reprogramme it to work with the car's system. This is usually done by pressing the ignition key multiple times while the doors are shut. The process will vary depending on your car's model and make, but you will be able to locate instructions online or consult a professional for help.
If the key fob is made of plastic, you can remove the cover by pulling it off. Be cautious not to damage any buttons or internal components. This is best done with needle-nosed pliers that have longer tips. They can easily grasp small parts. Lubricating pliers using putty, super glue or melted tallow will help them grasp delicate parts. This is something locksmiths in the automotive industry can perform, since the wrong techniques could damage the electronic components. The attempt to forcefully pull the fob apart can break the plastic, and it's possible to accidentally snap off any buttons that are connected to it.
Chips in the transponder are defective.
Transponder chips can malfunction if you have previously had the ability to start your car with the remote key but haven't been able to do it again. This is because your key relies on this small electronic component to communicate with the immobilizer system. It sends the signal to the system to notify it that your key is in good condition, and you'll be able start your vehicle. If the chip fails to transmit this signal it will cause the immobilizer to disable your vehicle.
This problem is more frequent in older vehicles however, it can happen in newer ones also. This is because the transponder chip wears out over time. The chip can be replaced by a locksmith for cars, but it is expensive.
In certain cases the chip in your key may be completely dead. If this is the case, it will need to be replaced by an authorized dealer. This will be the most expensive option, but is often necessary in order to get your vehicle back on the road.
Another possibility is that the chip in your key has become corrupted and it is unable to longer communicates properly with the immobilizer system. This could occur when the battery is replaced or it can occur if there is physical damage to the key. A Mesa locksmith in your car can fix this, but it might be necessary to visit a dealership for your key programmed again.
If you are having problems with your remote key, you must first try a backup. If this doesn't solve the issue, you should disassemble the key fob to conduct a visual inspection. Make sure that no buttons appear to be broken or damaged. These parts get lots of use and can easily be lost over time. It is best to have them soldered in place by an expert if they are loose. This is often a way to bring back the functionality of your key fob. This is particularly the case for keys that have been accidentally inserted into the wrong ignition lock.
Damaged Battery
If the key fob is still not working after you've tried a new one it could be due to a variety of other issues. Fobs are damaged by water, dropping them, or stepping on them, and the internal connections, such as the ones that connect the battery terminals inside the remote, could be broken or disconnected. It is possible to reset the key fob and it could be something you can tackle by yourself if have a spare fob of the same model and make.
Modern key fobs should be programmed to match the vehicle and ensure that only you are able to unlock the car doors. This is an essential step to safeguard your vehicle and to prevent others from using your key fob to gain access to your car or cause electrical system malfunctions. Certain engine error codes or even normal wear-and-tear can corrupt the programming and stop your key fob from working. Professionals equipped with the right tools can reprogramme your key fob correctly.
It's possible that the issue is with the buttons, which is a much simpler fix than replacing the entire key fob. Often, key fobs have rubberized buttons that get jostled around all the time, and can break or become loose. If you see that the buttons don't appear to be damaged, you may need to adjust them manually.
visit the next post to open up the key fob and take a look at it, but be cautious. Some fobs aren't equipped with an easy release mechanism, which means you may require a small screwdriver or other tool to break them. Some fobs are sealed and cannot be opened without specialized tools. You'll need to go to a professional to have them professionally opened. If you have a spare key fob of the same model and brand, try using it to enter the mode of programming for your car. This could require you to shut and lock the doors, turn on and off the lights and electronics, and press a set of buttons in a specific order that is specific to your vehicle.
Failing Buttons
If your key fob has buttons that do not work or need to be pressing very hard in order to function, it could be the result of mechanical damage. The key fob's function could be affected by a fall on concrete or accidentally hitting an item by using a sharp object. It is necessary to remove the key fob and carefully examine it to see if there are any buttons that look damaged. A locksmith can repair it for you if that's the case.
Failing buttons can also be the result of dirt or crud that is trapped between the buttons. It is recommended to clean your keys fob with an swab of cotton that has been soaked in alcohol. You may also need to clean the surface of the keys themselves. It is also important to determine if the issue is related to your car lock or the key fob. If you don't have an extra key fob to test, consider using the keys on a different vehicle to see if they work as well.
The condition of the battery will also determine whether or not you should reprogram the key fob. If your key fob doesn't work after replacing the batteries the terminal contacts of the battery are likely damaged. You can also deprogram your electronic key fob by pressing the buttons too often when you are not in range, or by disconnecting your car's battery.
If the key fob isn't working after replacing the battery, you need to re-programme it to your vehicle. It will depend on the particular vehicle model however, generally, you'll have to manually lock and unlock the doors of your car and then insert the key fob into the ignition, turn it to the accessory position and then push the remote button. Usually, the exterior and interior lights will flash if this is successful. You can retest the key fob in order to confirm that it was successfully programmed. In more rare cases the key fob may stop working if there is an issue with the door lock itself.