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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 be sure it's not the backup remote. If your backup remote can lock and unlock the doors of your vehicle, it is likely that the main remote is not working. The most common causes of car remote key failure are battery or circuitry issues. Battery The battery in a key fob can be worn out over time. It is relatively easy to change out the battery, however it is crucial to make sure 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 require. It is recommended to examine the battery compartment carefully since dead batteries may leak harmful chemicals that can harm the remote. If replacing the battery does not solve the issue, there may be other issues that require attention from a professional. If the buttons are damaged or stuck, for example, it may be necessary disassemble the remote and rework each component. You can also try reprogramming the vehicle to recognize the new key fob. Buttons Through repeated use, key fobs may wear out and become dirty. It is not unusual to have buttons stop functioning, or require a long press 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 just a bit of time and a few items you may already have around the home. First, check that the batteries are correctly placed and that the indentation at the back of the button has been filled. Then, open the remote with care and examine the circuit board. Look for evidence of rust, or other indications that the buttons have been worn or damaged. For instance there could be conductive paint missing. Use a Q-tip, dipped in alcohol to gently clean any membrane contact that is worn out or where conductive painting is missing. Do not rub too vigorously, as this could erode the conductive paint and stop the button from firing when it is pressed. Also, make auto key repair near me to inspect the battery connector's terminals for any loose solder connections. Soldering them back in place will restore the button's functionality if this is the situation. You can apply the same method to restore functionality to any other loose connection inside the fob. If any of the rubber buttons on the front of the keyfob are not working or require being pressing extremely hard the graphite disks at the back of the button might have worn out and will require replacement. It is usually done by rubbing a pencil over the disks. This should bring the button back to life. 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 cleaning and re-soldering the button but you should also have an extra in case it does not work. Circuitry The circuit board inside the remote control could be dirty, regardless of whether the buttons on the key fob function or not. This issue can be fixed through a thorough examination. The most frequent causes of dirty circuit boards is water and damaged cases. A broken case allows water and other debris to enter and short out the electronic components. repair car key near me can also eat away at pins and connectors that are small on the board, which are known as via's. If you're able to open up your key fob and don't mind a little mess, we can remove the solder from the buttons and solder new ones in their place. Also, you should check the connections between battery terminals. If they're loose, the buttons could not function properly or become stuck in their down position. Soldering the terminals and buttons back into place is typically all it takes to restore the key fob that is not working to working condition. Non-Remote Transponder Chips The sealed non-remote chips are more durable than remote fobs, however they are susceptible to cracking when a hole is made in them or in the event that a door handle of a car or lawnmowers is pushed over them. auto key repair near me are usually the cause of non-remote chip failures. If you're able to open up the sealed 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 confident doing this, go to your local hardware store or Oreilly's, and they'll usually have an RF frequency tester that will determine if the key fob is sending signals. Programming Key fobs are not indestructible and are susceptible to damage by a lot of things. They can lose their pairing to the receiver in your car because of shock or a low battery, which requires them to be reprogrammed. A professional auto locksmith or a main dealer can reprogram your key fob and get it working again. If resetting or repairing your key fob fails it is possible to replace it.