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The Most Sour Advice We've Ever Seen About Remote Key Repair Remote Key Repair
How to Fix a Key Fob That isn't Working

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

If the backup remote is able to lock and unlock your car doors then there's a likely issue with the primary remote. The most common causes for car remote key failure are issues with the circuitry or battery.

Battery


It is not uncommon for the battery inside the key fob for cars to wear out. It is simple to replace batteries. However, it is important that you choose the right kind. You can refer to your owner's manual or call the manufacturer to inquire about the correct type. It's recommended to inspect the battery compartment carefully because dead batteries can leak caustic chemicals that can damage the remote. If changing the batteries doesn't solve the problem, it may be that there are other issues that require attention by a professional. If the buttons are broken or stuck, for example it might be necessary to remove the remote and rebuild each component. You could also try reprogramming the vehicle to recognize the new device.

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Through frequent use, key fobs could get dirty and worn. This is not atypical, but it can cause buttons to stop working or require a very hard press for them to function. This can be a huge hassle particularly if you're out of town and need to start your vehicle. Fortunately, even worn-out or damaged buttons can be fixed with a bit of time and a few items you may already have around the house.

First, check that 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. Check for signs of rust or other indications that the buttons are damaged or worn. For instance there could be conductive paint missing. Use a Q-tip, dipped in rubbing alcohol to gently clean any membrane contact that has become worn-out or has conductive paint missing. Don't rub too hard in order to damage the conductive paint and prevent the button from firing when pressed.

Also, carefully check the battery connector terminals for a loose solder connection. If this is the case, soldering them back in place can restore function to the button. You can apply the same procedure to restore functionality to any other loose connection within the fob.

If any of the rubber buttons located at the front of the keyfob isn't working or need to be pressing extremely hard the graphite disks on the back of the button could have worn out and will require replacement. car key remote repair near me can be done by rubbing a pencil over the disks, which will bring the button back to its original state.

If none of these solutions work or you are unable to get the button to respond when you press it hard, it could be that the circuitry is failing. It is possible to fix this by a quick clean and replacing the solder, but it is best to have an extra fob in case this method doesn't work for you.

Circuitry

The circuit board in your remote control may be dirty regardless of whether the buttons on the key fob are working or not. The issue can be solved by a thorough inspection. The most common causes for dirty circuit boards are water and broken cases. A broken case allows water and other debris to get in and short circuit the electronic components. Water can also get through pins and vias, which are the tiny connectors that are 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 solder in new ones. It's also worth examining the battery terminal connections. They can become very dirty and if they're loose the buttons might not function or even stick in their down position. Soldering the terminals and buttons back in their place is generally all that's needed to return keys that are not in functioning condition.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are much more durable than the remote fobs they are contained in, however they are still susceptible to being damaged by a hole that is that is drilled into them or over by a lawnmowers blade or car door handle. Most of the time, non-remote transponder chip malfunctions can be blamed on an exploded fuse.

If you're not comfortable opening the key fob, you may remove the circuitboard and use a multimeter to verify that the diode is operating properly. If you're not comfortable doing this, go to your local hardware store or Oreilly's and they'll usually have a RFID frequency tester that can determine if the key fob is sending a signal.

Programming

Key fobs are not indestructible and can be damaged by a lot of things. They can lose their pairing to the car's receiver due to shock or a low battery, which requires them to be reprogrammed. A professional auto locksmith or dealer will be able to reprogram your key fob to get it back up and running. If resetting or fixing your keyfob does not work, you may need to replace it.

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