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How to Fix a Key Fob That isn't Working

If your key fob repair near me fob isn't functioning, a few easy steps can fix it. First, ensure that it's not the backup remote.

If your backup remote can unlock and lock the doors of your car, it is likely that the primary remote isn't working. The most common causes of key malfunctions for car remotes are circuitry or battery issues.

Battery

It is not uncommon for the battery inside the car key fob repair near me fob to wear out. It is fairly easy to replace a battery, although it is important to ensure that you choose the correct type; you can look in your owner's manual, or contact the dealer of the manufacturer to find out what kind of battery you need. It's also a good idea to inspect the battery compartment with care because dead batteries can leak harmful chemicals that can harm the remote. If changing the battery doesn't fix the issue, there may be other issues requiring professional attention. For instance, if buttons seem stuck or damaged it could be necessary to take the remote apart and rebuild its components. You can also try reprogramming your car to recognize the new key fob.

Buttons

Key fobs can become dirty and worn out from repeated use. It is not common for buttons to stop functioning, or require a hard push to make them work. This can be a huge hassle especially if you're away from home and you need to start your car. Fortunately, even worn out or damaged buttons can be fixed with a bit of time and a few materials you have in the house.

First, check that the batteries are up correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote car key repair and inspect the circuit board. Examine for signs of rust or other signs the buttons have been damaged or worn out. For example, conductive paint may be missing. Use a Q-tip that has been dipped in alcohol, gently clean any membrane contacts that have become worn or have conductive paint missing. Do not rub too vigorously as this can damage the conductive paint and stop the button from firing when you press it.

Examine the battery connector's terminals for loose solder connections. If this is the case, soldering them back in place can restore function to the button. The same process can be used to restore functionality to any other loose connections inside the fob.

Finally, if any of the buttons made of rubber that are on the front of the key fob stop working or require a very difficult press to function, it is likely that the graphite disks at the back of the button are wearing out and require replacement. You can do this by rubbing a pen across the disks. This should bring the button back to life.

If none of this is useful, or if the button doesn't respond to a hard press, then it may be that the circuit board has become damaged. This can be fixed with a quick clean and re-soldering, but it is ideal to have a spare fob available in the event this method does not work for you.

Circuitry

The circuit board inside your remote control may be dirty regardless of whether the buttons on the key fob function or not. The issue can be solved through a thorough examination. Broken cases and water are the most common causes of boards that are dirty. A damaged case can allow water and other debris to get in and short out the electronics. Water can also eat away at pins and connectors that are small on the board, which are known as via's.

If you are handy enough to open your key fob and aren't afraid of making a mess, we can take the buttons out of their sockets and then solder new ones. Also, it's worth checking the connections between battery terminals. If they are loose, the buttons could not function or get stuck in their down position. Soldering the terminals and buttons back in their place is generally all that's required to return the key fob that is not working to working condition.

Non-Remote Transponder Chips

The non-remote chips sealed in a sealed case 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. Most of the time, non-remote transponder chip malfunctions could be attributed to a blown fuse.

If you're handy enough to remove a sealed non-remote car key repairs key fob and can tolerate the mess, you can take off the circuit board and check the fuse with an instrument to verify diode function. If you're unsure about doing this, head to your local hardware store or the Oreilly's and they will usually have a RFID frequency tester that can let you know whether the key fob is sending signals.

Programming

Key fobs aren't impervious to destruction and are susceptible to damage near by a lot of things. They can lose their pairing with the receiver inside your vehicle due to shocks or a low battery, which calls for the reprogramming. A professional auto locksmith, or the main dealer, can reprogram your keyfob and get it working again. If resetting or replacing the keyfob is not working, you may need to replace it.