How to Fix a Key Fob That isn't Working

If your key fob isn't working A few easy steps can be taken to fix it. The first step is to be sure that it's not the backup remote.

If your backup remote cannot lock and unlock the doors of your car, then it is most likely that the primary remote isn't working. Most car remote key failures result from circuitry or battery issues.

Battery

The battery in the key fob may be worn out over time. It is easy to replace batteries. However it is essential that you use the correct kind. You can check the owner's manual or contact the manufacturer to inquire about the correct type. It is also essential to examine the battery compartment, since dead batteries can leak caustic chemicals which can damage the remote. If replacing the battery does not fix the issue, there may be other issues that require attention from a professional. If buttons are broken or stuck for instance it might be necessary to disassemble the remote and rework each component. You could also try reprogramming the vehicle to recognize the new remote.

Buttons

Due to repeated use, key fobs may wear out and become dirty. This is not uncommon however it can cause buttons to stop working or require a long press to function. This can be extremely frustrating, especially if you are away from home and need to start your car. Even malfunctioning or worn-out buttons can be fixed with a little effort and materials you already have at home.

First, check that the batteries are properly installed and that the indentation on the back of the button has been filled. Then, carefully remove the remote and look at the circuit board. Examine for signs of rust or other indications that the buttons have been damaged or worn. For example the paint that conducts electricity could be missing. Utilizing a Q-tip that has been dipped in rubbing alcohol, gently clean any membrane contacts that have worn or where conductive paint is missing. Don't rub too hard, as this could erode the conductive paint and prevent the button from firing when pressed.

Check the battery connector terminals carefully for Near Me any loose solder connections. Soldering them back in place will restore the button's functionality in the event that this is the situation. The same method can be used to restore function to any loose connections within the fob.

If any of the rubber buttons located at the front of the keyfob isn't functioning or require to be press very hard the graphite disks on the back of the button may have worn out and need to replaced. You can usually do this by rubbing a pencil over the disks. This should bring the button back to life.

If none of these solutions work, or if you still cannot get the button to respond when pressed hard, it could be that the circuitry is failing. This can sometimes be repaired with a quick clean and refitting, but it's ideal to have a spare fob in case this method fails for Near Me you.

Circuitry

The circuit board inside the remote control could be dirty, regardless of whether the buttons on the key fob work or not. This issue can be fixed by a thorough inspection. The most common causes of dirty circuit boards are water and damaged cases. A broken case can allow water and other debris to enter the circuit board, causing it to short out. Water can also eat through pins and vias, which are the tiny connectors on the board.

If you're able to open your key repairs near me fob and aren't afraid of making an mess, you can remove the buttons from their sockets and put in new ones. It's also worth examining the battery terminal connections. They can become extremely filthy and if they're not tight enough, the buttons might not function or may even remain in their down position. Soldering terminals and buttons back to their original positions is often enough to return a malfunctioning fob to a working condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are much more durable than remote fobs they are contained in, but they can be damaged by a hole that is that is drilled into them or over by a lawnmower or car door handle. Failures of the fuse are typically to blame for non-remote chips failures.

If you're handy enough to remove a sealed non-remote key fob and are able to bear the mess, you can take off the circuit board and check the fuse with a multimeter for proper diode function. If you're unsure about doing this, go to your local hardware store or Oreilly's and they'll usually have an RFID frequency tester that can determine whether the key fob transmitting a signal.

Programming

Key fobs take a lot of abuse and aren't indestructible. They can break their connection with the receiver inside your vehicle due to shocks or Near Me a low battery, requiring reprogramming. A professional auto locksmith or a dealer in the main can reprogram your keyfob to get it working again. If resetting or replacing your keyfob does not work it may be necessary to replace it.