How to Fix a Key Fob That isn't Working

If your key fob doesn't work, you can fix it by following a few simple steps. The first step is to be sure that it's not the backup remote.

If the backup can lock and unlock your car doors then there's a likely issue with the primary remote. The most frequent causes of key malfunctions for car remotes are issues with the circuitry or battery.

Battery

The battery inside the key fob could be worn out over time. It is relatively easy to replace a battery, although it is essential to make sure that you use the right type that you can refer to your owner's manual or contact the manufacturer's dealer to find out what kind of battery you need. It is also crucial to examine the battery compartment as dead batteries can leak toxic chemicals that could damage the remote key repair. If replacing the battery does not fix the issue, there may be other issues requiring professional attention. For instance, if the buttons appear stuck or damaged It may be necessary to disassemble the remote and rework its components. You can also try reprogramming your car to recognize the new key fob.

Buttons

From frequent use, key fobs can get dirty and worn. It is not unusual for buttons to cease working, or to require a hefty push to make them work. This can be very frustrating especially when you're away from home and you need to turn on your car. Even worn-out or malfunctioning buttons are often fixable with a little time and the tools you already have at home.

First, Remote Key Repair make sure that the batteries are properly placed and that the indentation on the back of the button has been filled. Open the remote carefully and examine the circuit board. Examine for indications of rust or other indications that the buttons have been worn or damaged. For example there could be conductive paint missing. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that has become worn out or where conductive painting is missing. Avoid rubbing too hard, as this can erode the conductive painting and prevent the button firing when it is pressed.

Also, be sure to check the battery connector's terminals for an unattached solder connection. Soldering them back in place will allow the button to function again if this is the situation. You can use the same method to restore functionality to any other loose connection inside the fob.

If any of the rubber buttons located at the front of the keyfob aren't functioning or require to be pressing very hard the graphite disks at the back of the button could have worn out and require replacement. This can be done by rubbing a pencil on the disks. This should bring the button back to working.

If none of this is helpful, or if the button doesn't respond to a firm press, then it may be that the circuit board itself has gone bad. It is possible to fix this by cleaning and re-soldering the fob, but you should have another spare in case it doesn't work.

Circuitry

The circuit board in your remote control could be dirty regardless of whether the buttons on the key fob key repair are working or not. A thorough inspection will usually resolve this problem. Water and broken cases are the most frequent causes of dirty boards. A damaged case can let water and other debris to get into the circuit board, causing it to short out. Water can also eat through pins and vias, which are tiny connectors on the board.

If you are handy enough to open your key fob and aren't afraid of making a mess, we can remove the buttons from their sockets and solder in new ones. Also, you should check the connections between battery terminals. They can get very dirty and if they're loose the buttons might not work or may even remain in their down position. Soldering the terminals and buttons to their original positions is often enough to restore a non-working fob to a working condition.

Non-Remote transponder chips

The non-remote chips that are sealed are more durable than their remote fobs, however they are susceptible to cracking if a hole is drilled in them or if a car door handle or lawnmowers plows over them. Most of the time, non-remote transponder chip failures could be attributed to blowing fuses.

If you're not confident opening the mobile key fob repair fob, you may remove the circuitboard and use a multimeter to determine if the diode is functioning properly. If you're not comfortable doing this, remote Key Repair head to your local hardware store or the Oreilly's and they will usually have an radio frequency tester that can let you know 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 to the receiver in your car due to shock or low battery, which requires the reprogramming. A professional auto locksmith, or a dealer in the main can reprogram your keyfob to get it working again. If resetting or replacing the keyfob is not working it is possible to replace it.