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How to Fix a Key Fob That isn't Working

If your key fob doesn't work, a few easy steps can fix it. First, check to make sure it's not the backup remote.

If your backup remote is unable to lock and unlock the doors of your car Remote key repair shop near me, then it is most likely that the primary remote isn't working. The most common causes for electronic car key repair near me remote key fob repair near me key failure are issues with the circuitry or battery.

Battery

It is not uncommon for the battery inside a key fob for cars to degrade. It is simple to replace the battery. However, it is important that you choose the right type. You can check your owner's manual or call the manufacturer to determine the right kind. It is also essential to examine the battery compartment as dead batteries can leak caustic chemicals which can damage the remote. If replacing the battery does not fix the problem there may be additional issues that require attention from a professional. If buttons are broken or stuck, for example it might be necessary to remove the remote and rebuild each component. You can also try reprogramming the vehicle to recognize the new fob.

Buttons

Due to repeated use, key fobs may wear out and become dirty. This is not atypical however it can cause buttons to stop working or require a difficult press to get them to function. This can be very frustrating particularly if you're away from home and need to start your vehicle. Even worn-out or malfunctioning buttons can be fixed with a bit of time and the tools you already have at home.

First, make sure the batteries are charged correctly and that the indentation on the back of the button is filled. Then, open the remote with care and look over the circuit board. Examine for signs of rust or other indications that the buttons have been worn or damaged. For instance there could be conductive paint missing. Utilizing a Q-tip that has been dipped in alcohol to gently clean any membrane contacts that have worn or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint and stop the button from firing when you press it.

Check the battery connector terminals carefully for any loose solder connections. Soldering them back to their original position can restore the button's functionality if this is the case. The same method can be used to restore function to any loose connections in the fob.

If any of the rubber buttons located at the front of the keyfob are not working or require being pressed extremely hard the graphite disks on the back of the button may have worn out and will require replacement. This can usually be done by rubbing a pencil on the disks, which should bring the button back to life.

If none of this is useful, or if the button doesn't respond to a hard push, then it may be the case that the circuit board has become damaged. It is possible to fix the issue by cleaning and re-soldering the fob, but you should have another spare in case it doesn't work.

Circuitry

The circuit board of your remote control could be dirty regardless of whether the buttons on the key fob work or not. This issue can be fixed through a thorough examination. Broken and damaged cases are the most frequent causes of dirty boards. A damaged case can allow water and other debris to get into the circuit board, which can cause it to short. Water can also eat through pins and vias, which are small connectors on the board.

If you're handy enough to open up your key fob and don't mind a little mess, we can take off the buttons and then solder new ones in their place. It's also worth checking the connections between battery terminals. They can get very dirty and if they're loose, the buttons might not function or even stick in their down position. Soldering terminals and buttons back to their proper positions is usually enough to bring a non-working fob to a working condition.

Non-Remote transponder chips

Sealed non-remote transponder chip are more durable than the remote fobs they are contained in, but they can be cracked by a hole that is drilled into them or over by a lawnmowers blade or door handle for a car remote key repair shop near me. The failure of the fuse is usually the cause of non-remote chip failures.

If you are not comfortable opening the key fob, you can take the circuit board off and use a multimeter to check that the diode is working correctly. If you're not comfortable doing this, go to your local hardware store or Oreilly's, and they usually have a radio frequency tester that can let you know if the key fob is transmitting a signal.

Programming

key repair car fobs aren't impervious to destruction and can be damaged through a variety of causes. They may lose their connection to the car keys repair's receiver due to shock or low battery, which requires the reprogramming. A professional auto locksmith, or the main dealer can reprogram your key fob and get it back working again. If resetting or replacing the keyfob is not working, you may need to replace it.