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How to Fix a Key Fob That isn't Working

If your key fob won't work then you can fix it with some simple steps. First, make sure that it's not your backup remote.

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

Battery

The battery in a key fob can wear out over time. It is fairly easy to change out a battery, although it is important to ensure you choose the correct type that you can refer to your owner's manual, or contact the dealer of the manufacturer to determine the type of battery you need. It is also important to examine the battery compartment, since batteries that are not working properly can release toxic chemicals that could damage the remote. If replacing the batteries doesn't solve the problem it could be that there are other issues that require professional attention. If the buttons are broken or stuck, for example it could be necessary to disassemble the remote and rework each component. You could also try reprogramming your vehicle key repairs to recognize the new key fob.

Buttons

Key fobs may become filthy and worn out due to repeated use. This is not uncommon however, it can cause buttons to cease functioning or require a long press to work. This can be a huge hassle, especially if you are out of town and need to start your vehicle. Even malfunctioning or worn-out buttons are often fixable with a little time and tools you already have at home.

First, make sure the batteries are properly charged 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 that the buttons are worn out or damaged, like missing conductive paint. Then, using the Q-tip, dipped in rubbing alcohol, gently clean any membrane contacts that have become worn or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint and prevent the button from firing when it is pressed.

Check the battery connector's terminals carefully for any loose solder connections. If this is the case, connecting them back could restore function to the button. The same method can be used to restore function to any loose connections in the fob.

If any of the rubber buttons on the front of the keyfob isn't working or require being pressing extremely hard the graphite disks on the back of the button could have worn out and need to replaced. This can usually be done by rubbing a pencil on the disks. This should bring the button back to working.

If none of these solutions work or you are unable to get the button to respond when you press it hard, it is possible that the circuitry is failing. It is possible to fix this with a quick clean and re-soldering, but it is recommended to have an additional fob available in the event this method doesn't work for you.

Circuitry

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

If you're skilled enough to open your key fob and aren't afraid of making a mess, we can remove the buttons from their sockets and then solder new ones. It's also worth examining the battery terminal connections. If they are loose, the buttons may not function properly or become stuck in their down position. Soldering the terminals back to their original positions is often enough to bring a non-working fob to a working condition.

Non-Remote transponder chips

Sealed non-remote transponder chip are more durable than remote fobs that have them but they can be broken by a hole being made in them or pushed over by a lawnmower or car door handle. Most of the time non-remote key Repair transponder chips fail, and this can be blamed on an exploded fuse.

If you're handy enough to open up a sealed non-remote key repairs near me fob and are able to bear the mess, you can easily remove the circuit board and examine the fuse using a multimeter to ensure that it is functioning as intended. function. If you're not confident doing this, head to your local hardware store or Oreilly's and they will usually have a RF frequency tester that will tell you if the key fob is transmitting a signal.

Programming

Key fobs aren't indestructible and can be damaged through a variety of causes. They may lose their connection with the receiver in your vehicle because of shocks or a low-battery, which requires reprogramming. A professional auto locksmith or the main dealer can reprogram the keyfob and get it working again. If, in the unlikely event that resetting and repairing your key fob doesn't work, it could be time to replace it completely.