How to Fix a Key Fob That isn't Working

If your key repair near me fob does not work and you're not sure why, car remote Key fob repair you can fix it with a few simple steps. First, check to make sure it's not your backup remote.

If the backup is able to lock and unlock your car doors then there's a likely issue with the primary remote. Most car remote key failures result from circuitry or battery problems.

Battery

The battery inside a key fob can get worn out over the course of time. It is fairly easy to change out batteries, but it is essential to ensure you select the correct one; you can look in the owner's manual or talk to the dealer for the manufacturer to find out what kind of battery you require. It is recommended to examine the battery compartment with care because dead batteries can release caustic chemicals that could harm the remote. If changing the battery doesn't solve the issue, there may be other issues that require attention from a professional. If the buttons are stuck or broken, for example it might be necessary to disassemble the remote and rework each component. You could also try reprogramming your car to recognize the new key fob.

Buttons

Key fobs can get dirty and worn-out from repeated use. It is not unusual for buttons to cease working, or to require a hefty push to make them work. This can be a hassle particularly when you're away from your home and need to start your car remote key fob repair. Fortunately, even worn-out or broken buttons can usually be fixed with just a bit of time and a few items you may already have around the house.

First, make sure that the batteries are correctly placed and that the indentation on the back of the button is filled. Open the remote carefully and look over the circuit board. Check for signs of rust or other indications that the buttons have been worn or damaged. For instance, conductive paint may be missing. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that has damaged or where conductive painting is missing. Avoid rubbing too hard, as this can erode the conductive painting and prevent the button from firing when it is it is pressed.

Check the battery connector's terminals carefully for any loose solder connections. Soldering them back to their original position will allow the button to function again if this is the case. You can follow the same process to restore functionality to any other loose connection inside the fob.

If any of the rubber buttons located at the front of the keyfob are not functioning or require to be press extremely hard, the graphite disks at the back of the button could have worn out and will require replacement. This can usually be done by rubbing a pencil across the disks, which will bring the button back to life.

If all of this doesn't help, or if the button still doesn't respond to a hard press It could be because the circuit board itself has become damaged. It is possible to fix this by a quick clean, and re-soldering, but it is recommended to have an additional fob on hand in the event that this method does not work for you.

Circuitry

The circuit board of your remote control could be dirty regardless of whether the buttons on the key fob work or Car Remote Key Fob Repair not. A thorough examination is often enough to resolve this issue. Broken cases and water are the most common causes of boards that are dirty. A broken case allows water and other debris to pass through and short out the electronics. Water can also get through pins and vias, which are tiny connectors found on the board.

If you're handy enough to remove your key fob and don't mind making a mess, we can take off the buttons and solder new ones in their place. Also, you should check the connections between the battery terminals. If they're loose, the buttons may not function or get stuck in their down position. Soldering the terminals, and putting the button back in their place is generally all it takes to restore a non-working key fob to working order.

Non-Remote Transponder Chips

The non-remote chips that are sealed are more durable than remote fobs, but they can be cracked if a hole is drilled in them or if a car door handle or lawnmowers plows over them. Failures of the fuse are typically to blame for non-remote chip failures.

If you're handy enough to open the sealed key fob and are able to bear the mess, you can easily remove the circuit board and test the fuse using a multimeter for proper diode function. If you're not confident doing this, visit your local hardware store or Oreilly's and they'll usually have a RF frequency tester that will tell you whether the key fob is transmitting a signal.

Programming

Key fobs are not indestructible and are susceptible to damage by a variety of factors. They may lose their connection with the receiver inside your vehicle due to shocks or a low battery, requiring reprogramming. A professional auto locksmith or dealer can reprogram your key fob to get it back up and running. If resetting or fixing your key repair service fob fails it may be necessary to replace it.