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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 be taken to fix it. The first step is to be sure that it's not the backup remote.

If the backup remote is able to lock and unlock your car doors, it is most likely an issue with the primary remote. The most frequent causes of key repair shop near me malfunctions for car remotes are issues with the circuitry or battery.

Battery

It is not uncommon to find a battery on a car key fob to wear out. It is easy to replace a battery. However, it is important to select the right kind. You can refer to the owner's manual or contact the manufacturer to inquire about the correct type. It is also important to inspect the battery compartment, since dead batteries can leak toxic chemicals that could damage the remote. If replacing the batteries doesn't solve the problem, it may be that there are other issues that require attention by a professional. For instance, if the buttons seem stuck or damaged it could be necessary to disassemble the remote key repair and rework its components. You can also try reprogramming the vehicle to recognize the new remote.

Buttons

Due to frequent use, key fobs can wear out and become dirty. It is not unusual for buttons to cease working, or to require a long push to make them work. This can be extremely frustrating, especially if you are away from home and need to start your repair car keys near me. Even malfunctioning or worn-out buttons can be fixed with a little effort and tools you already have at home.

First, check that the batteries are properly inserted and that the indentation at the back of the button has been filled. Then, open the remote with care and look over the circuit board. Examine for signs of rust or other signs 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 is worn out or has conductive paint missing. Do not rub too vigorously as this can damage the conductive paint and stop the button from firing when it is pressed.

Also, be sure to check the battery connector terminals for a loose solder connection. Soldering them back to their original position will restore the button's functionality if this is the case. The same method can be used to restore function to any other loose connections in the fob.

If any of the rubber buttons on the front of the keyfob isn't working or need to be pressing extremely hard the graphite disks at the back of the button may have worn out and will require replacement. This is usually done by rubbing a pencil over the disks, which will bring the button back to life.

If all of this doesn't help or if the button still does not respond to a hard push It could be the case that the circuit board has become damaged. It is possible to fix this issue by cleaning and re-soldering the fob but you should also have a spare in case it does not work.

Circuitry

The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob are working or not. A thorough examination is often enough to resolve this problem. Broken and damaged cases are the most common causes of dirty boards. A broken case allows water and other debris to pass through and short circuit the electronic components. Water can also destroy pins and small connectors on the board, which are known as via's.

If you're able to open your key fob and aren't afraid of making some mess, we can remove the buttons from their sockets and solder in new ones. It's also worth checking the connections between battery terminals. If they're loose, the buttons could not work or even become stuck in their down position. Soldering terminals and buttons back to their original positions is often enough to bring a non-working fob to working.

Non-Remote Transponder Chips

The sealed non-remote chips are more durable than remote fobs. However, they are susceptible to cracking when a hole is made in them, or when a door handle for a car or lawnmower runs over them. The majority of non-remote transponder chips fail, and this could be attributed to an exploded fuse.

If you're not confident opening the key fob, remove the circuitboard and utilize a multimeter to verify that the diode is working correctly. If you're unsure about doing this, head to your local hardware store or Oreilly's, and they'll usually have a RF frequency tester that will determine if the key fob is sending a signal.

Programming

Key fobs are subject to a lot of abuse and aren't completely indestructible. They may lose their connection with the receiver in your vehicle due to shocks or low battery, requiring reprogramming. A professional auto locksmith, or the main dealer can reprogram the keyfob and get it working again. If resetting or replacing the keyfob is not working it is possible to replace it.