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How to Fix a Key Fob That isn't Working

If your key fob isn't functioning, a few easy steps can fix it. The first step is to make sure that it's not the backup remote.

If the backup can lock and unlock your car keys repair near me doors, then there is likely an issue with the main remote car key repair near me. The most common causes for key problems with your car remote are issues with the circuitry or battery.

Battery

The battery in a key fob can wear out over time. It is easy to replace a battery. However it is essential that you choose the right type. You can consult your owner's manual or call the manufacturer to find out the right kind. It is also crucial to check the battery compartment, since batteries that are not working properly can release toxic chemicals that could damage the remote. If changing the batteries does not solve the problem, it may be that there are other issues that require professional attention. If the buttons are damaged or stuck for instance, it may be necessary disassemble the remote and rework each component. You can also try reprogramming the vehicle to recognize the new device.

Buttons

Due to repeated use, key fobs could wear out and become dirty. It is not unusual for buttons to cease functioning, or require a hard press to make them work. This can be frustrating particularly when you're away from home and have to turn on your car. Even worn-out or malfunctioning buttons are often fixable with a little effort and materials you already have at home.

First, make sure that the batteries have been correctly installed and that the indentation on the back of the button has been filled. Then, carefully remove the remote and examine the circuit board. Look for signs of corrosion or other indications that buttons are worn out or damaged, such as missing paint that is conductive. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that has worn-out or where conductive painting is missing. Do not rub too vigorously as this can damage the conductive paint, and block the button from firing when you press it.

Also, carefully check the battery connector's terminals for any loose solder connections. Soldering them back into place will restore the button's functionality If this is the case. You can follow the same method to restore functionality to any other loose connection inside the fob.

If any of the rubber buttons located at the front of the keyfob are not working or need to be pressing very hard the graphite disks at the back of the button might have worn out and require replacement. You can usually do this by rubbing a pen over the disks. This should bring the button back to life.

If none of this is helpful, or if the button does not respond to a firm press It could be the case that the circuit board has become damaged. It is possible to fix this with a quick clean and replacing the solder, but it is ideal to have a spare fob available in the event this method does not work for you.

Circuitry

Whether or not the key repair car fob buttons are working, the circuit board inside your remote may be dirty. The issue can be solved by a thorough inspection. Water and broken cases are the most common causes of dirty boards. A damaged case could let water and other debris into the circuit board, which can cause it to short out. Water can also get through pins and vias, which are small connectors found on the board.

If you're able to open your key fob and you don't mind making some mess, we can take the buttons out of their sockets and then solder new ones. Also, you should check the connections between the battery terminals. They can get very dirty and if they're loose, the buttons might not function or even stay in their down position. Soldering the terminals and buttons into place is usually enough to return a malfunctioning fob back to working.

Non-Remote transponder chips

Sealed non-remote transponder chip are more durable than remote fobs that have them but they can be broken by a hole being that is drilled into them or over by a lawnmowers blade or car key remote repair door handle. The failure of the fuse is usually to blame for non-remote chips failures.

If you're not confident opening the key fob, you may remove the circuitboard and utilize a multimeter to determine if the diode is working properly. If you're not sure with this, you can go to your local Oreilly or hardware store and use their RF frequency tester. This will tell you whether the key fob is sending a signal.

Programming

Key fobs take a lot of abuse and aren't impervious to damage. They may lose their connection to the car's receiver due to shock or low battery, which calls for the reprogramming. A professional auto locksmith or a dealer in the main, can reprogram your keyfob and get it functioning again. If resetting or replacing your key fob fails it may be necessary to replace it.