How to Fix a Key Fob That isn't Working

If your key fob doesn't work and you're not sure why, you can fix it by following a few simple steps. First, check to make sure it's not your backup remote.

If your backup remote is unable to lock and unlock the doors of your car, then it is likely that the primary remote isn't functioning. The majority of repair car key remote key malfunctions result from battery or circuitry problems.

Battery

The battery inside the key fob could wear out over time. It is easy to replace a battery. However, it is important that you choose the right type. You can consult your owner's manual or call the manufacturer to inquire about the correct type. It is also crucial to examine the battery compartment as dead batteries can leak caustic chemicals that can harm the remote. If changing the batteries does not solve the problem it could be because there are other issues that require attention from a professional. For instance, if buttons seem to be stuck or broken It may be necessary to take the remote apart and rework its components. You can also try reprogramming the vehicle to recognize the new remote.

Buttons

Key fobs can get dirty and worn-out from frequent use. It is not unusual to have buttons stop functioning, or require a hard press to make them work. This can be extremely frustrating especially if you're away from home and you need to start your car. Even worn-out or malfunctioning buttons can be fixed with a bit of time and the tools you already have at home.

First, [Redirect-302] check that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully open up the remote and inspect the circuit board. Examine for signs of rust or other signs the buttons are damaged or worn out. For instance the paint that conducts electricity could be missing. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that has become worn out or where conductive painting is missing. Be careful not to rub too hard, as this can erode the conductive painting and prevent the button firing when the button is pressed.

Examine the battery connector's terminals carefully for any loose solder connections. If this is the case, reconnecting them can bring back function to the button. The same procedure can be used to restore functionality to any other loose connections inside the fob.

Finally, if any of the rubber buttons on the front of the key fob aren't working or require a very hard press to work, it is likely that the graphite disks at the back of the button are wearing down and require replacement. This is usually done by rubbing a pencil on the disks. This should bring the button back to working.

If none of this is useful, or if the button does not respond to a hard push, then it may be the case that the circuit board has gone bad. It is possible to fix this by cleaning and re-soldering the button, but you should have another spare in case it does not work.

Circuitry

If the keys fob buttons are functioning the circuit board in the remote could be dirty. This issue can be fixed by a thorough inspection. Broken and damaged cases are the most common causes of dirty boards. A damaged case can allow water and other debris to enter and short circuit the electronics. Water can also damage pins and connectors that are small on the board, which are known as via's.

If you're able to remove your key fob repairs fob and aren't afraid of a little mess, we can remove the solder from the buttons and solder new ones in their place. It's also worth examining the battery terminal connections. If they are loose, the buttons might not work or even become stuck in their down position. Soldering terminals and buttons back into place is usually enough to restore a non-working fob back to working.

Non-Remote Transponder Chips

Sealed non-Remote key repair transponder chips are more durable than the remote fobs that contain them but they can be broken by a hole being made in them or pushed over by a lawnmower or door handle for a car remote key repair. The majority of non-remote transponder chip malfunctions could be attributed to an exploded fuse.

If you're handy enough to remove a key fob that is sealed and are able to bear the mess, you can take off the circuit board and check the fuse with a multimeter to ensure that it is functioning as intended. function. If you don't feel comfortable with this, you can go to your local Oreilly or hardware store and test their RF frequency tester. This will let you know whether the key fob sends signals.

Programming

ignition key repair near me fobs take a lot of abuse and aren't indestructible. They may lose their connection to the receiver in your car due to shock or low battery, which requires them to be reprogrammed. A professional auto locksmith, or a dealer in the main, can reprogram your keyfob and get it working again. If resetting or repairing the keyfob is not working it is possible to replace it.