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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 be taken to fix it. First, ensure that it's not your backup remote.

If your backup remote can unlock and lock the doors of your car, then it is likely that the primary remote Key repair isn't functioning. The most common causes of car remote key failure are circuitry or battery issues.

Battery

The battery in a key fob can get worn out over the course of time. It is easy to replace the battery. However, it is important that you choose the right type. You can refer to the owner's manual or contact the manufacturer to determine the correct type. It is also crucial to check the battery compartment as batteries that are not working properly can release caustic chemicals which can damage the remote car key repair near me. If changing the battery doesn't fix the problem, there may be other issues that require attention from a professional. If buttons are damaged or stuck for instance it could be necessary to remove the remote and rebuild each component. You could also try reprogramming your car to recognize the new key fob.

Buttons

From frequent use, key fobs may get dirty and worn. It is not uncommon to have buttons stop functioning, or require a long push to make them work. This can be extremely frustrating especially if you're away from home and you need to start your car. Even malfunctioning or worn-out buttons can be fixed with a bit of time and 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 examine the circuit board. Examine for signs of rust or other signs that buttons are worn out or damaged, like missing paint that is conductive. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that is worn-out or where conductive painting is missing. Be careful not to rub too hard, because this could damage the conductive paint and block the button from firing when the button is pressed.

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

If any of the rubber buttons located at the front of the keyfob aren't working or require being press very hard, fob key Repair the graphite disks at the back of the button could have worn out and need to replaced. This is usually done by rubbing a pencil on the disks. This should bring the button back to its original state.

If none of these solutions work, or if you still not be able to get the button respond when pressed hard, it could be that the circuitry is failing. It is possible to fix this issue by cleaning and re-soldering the button however, you should have a spare in case it does not work.

Circuitry

The circuit board in the remote control could be dirty regardless of whether the buttons on the key fob repair fob work or not. A thorough inspection is usually enough to fix this problem. Broken cases and water are the most frequent causes of boards that are dirty. A damaged case allows water and other debris to get in and short out the electronic components. Water can also get through pins and vias, which are small connectors that are found on the board.

If you're handy enough to open your ignition key repair near me fob and aren't afraid of making a mess, we can de-solder the buttons and solder new ones in their place. Also, it's worth checking the connections between battery terminals. If they're loose, the buttons might not function or get stuck in their down position. Soldering the terminals and buttons back in their place is generally all it takes to restore keys that are not in working order.

Non-Remote transponder chips

The sealed non-remote chips are more durable than their remote fobs. However, they are susceptible to breaking if a hole is drilled in them, or if a car door handle or lawnmowers is pushed over them. Most of the time non-remote transponder chip failures could be attributed to an exploded fuse.

If you're handy enough to open up a sealed non-remote key fob and are willing to put up with the mess, you can remove the circuit board and check the fuse using an instrument to verify diode function. If you're not comfortable with this, you can go to your local Oreilly or hardware store and utilize their RF frequency tester. This will tell you whether the key fob transmits signals.

Programming

Key fobs aren't indestructible and can be damaged by a variety of factors. They may lose their connection to the receiver in your car due to shock or low battery, which requires the reprogramming. A professional auto key fob repair locksmith or dealer can reprogram your key fob to get it back up and running. If resetting or fixing your key fob fails it may be necessary to replace it.