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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 your backup remote.

If your backup remote cannot unlock and lock the doors of your car remote key repair shop near me, then it is likely that the primary remote is not working. Most car key repair near me remote key fob repair near me failures are caused by circuitry or battery problems.

Battery

It is not uncommon to find a battery on a key fob for cars to wear out. It is easy to replace the battery. However it is crucial to select the right type. You can consult your owner's guide or contact the manufacturer to determine the correct type. It is also crucial to inspect the battery compartment, since dead batteries can leak caustic chemicals which can damage the remote. If changing the batteries doesn't solve the problem it could be because there are other issues that require professional attention. If buttons are stuck or broken for instance it could be necessary to disassemble the remote and rework each component. You could also try reprogramming your vehicle to recognize the new key fob.

Buttons

Key fobs can become dirty and worn-out from frequent use. It is not unusual to have buttons stop working, or to require a hefty press to make them work. This can be extremely frustrating particularly if you're out of town and need to start your car key lock repair near me. Fortunately, even worn-out or broken buttons can usually be fixed with just a bit of time and a few items you have in the home.

First, make sure the batteries are up correctly and that the indentation on the back of the button is filled. Take the remote apart and inspect the circuit board. Examine for signs of rust or other signs the buttons are damaged or worn out. For example there could be conductive paint missing. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that is worn out or where conductive paint is missing. Do not rub too vigorously as this can damage the conductive paint and prevent the button from firing when you press it.

Also, make sure to inspect the battery connector terminals for any loose solder connections. If this is the case, reconnecting them could bring back function to the button. The same process can be used to restore functionality to any other loose connections within the fob.

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

If none of these solutions work, or if you still cannot get the button to respond when pressed hard, it is possible that the circuitry has failed. It is possible to fix this issue by cleaning and re-soldering the fob but you should also have a spare in case it doesn't work.

Circuitry

Whether or not the keys fob buttons are functioning, the circuit board inside the Remote Key Repair could be dirty. A thorough examination will usually resolve this issue. Water and broken cases are the most common causes of boards that are dirty. A broken case allows water and other debris to pass through and short out the electronic components. Water can also damage pins and vias, which are small connectors found on the board.

If you're able to open your key fob and aren't afraid of making some mess, we can take the buttons out of their sockets and put in new ones. It's also worth examining the battery terminal connections. They can get very filthy and if they're not tight enough, the buttons may not work or may even remain in their down position. Soldering the terminals back to their proper positions is usually enough to bring a non-working fob to working.

Non-Remote transponder chips

Sealed non-remote transponder chips are more durable than the remote fobs that have them but they can be cracked by a hole made in them or pushed over by a lawnmowers blade or car door handle. The majority of non-remote transponder chip malfunctions could be attributed to a blown fuse.

If you're able to remove a key fob that is sealed and are able to bear the mess, you can remove the circuit board and check the fuse with an instrument to verify diode function. If you're not confident doing this, head to your local hardware store or the Oreilly's and they'll usually have a RFID frequency tester that can determine whether the key fob sending signals.

Programming

Key fobs take a lot of abuse and aren't completely indestructible. They can lose their pairing to the receiver in your car key repair service due to shock or low battery, which requires the reprogramming. A professional auto locksmith or a dealer in the main can reprogram your keyfob and get it working again. If resetting or fixing your key fob fails it may be necessary to replace it.