how to repair broken car key to Fix a Key Fob That isn't Working

If your key fob won't work, you can fix it with just a few steps. First, make sure that it's not the backup remote.

If the backup is able to lock and unlock your car key fob repair doors, then there's a likely issue with the primary remote. The most frequent causes of key problems with your repair car key remote remote are issues with the circuitry or battery.

Battery

The battery in a key fob can be worn out over time. It is quite simple to replace the battery, however it is crucial to ensure that you select the correct one and you can consult the owner's manual or talk to the manufacturer's dealer to determine the type of battery you need. It is also important to check the battery compartment as batteries that are not working properly can release caustic chemicals which can damage the remote. If replacing the battery does not solve the issue, there may be other issues that require attention from a professional. If buttons are damaged or stuck, for example, it may be necessary take the remote apart and rework each component. You could also try reprogramming the vehicle to recognize the new key fob.

Buttons

Key fobs can get dirty and worn-out from repeated use. This is not atypical, but it can cause buttons to cease functioning or require a hard press for them to function. This can be frustrating especially when you're away from home and have to switch on your car. Fortunately, even worn-out or broken buttons can usually be fixed with a bit of time and some of the materials you may already have around the house.

First, check that the batteries are charged correctly and that the indentation on the back of the button is filled. Open the remote Key Repair carefully and examine the circuit board. Examine for signs of rust or other indications that the buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that has worn out or has conductive paint missing. Be careful not to rub too hard, since this could cause damage to the conductive paint and stop the button from firing when it is pressed.

Examine the battery connector's terminals carefully for any loose solder connections. Soldering them back into place will restore the button's functionality If this is the situation. You can apply 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 isn't working or need to be press extremely hard the graphite disks at the back of the button might have worn out and require replacement. This is usually done by rubbing a pencil on the disks, which should bring the button back to working.

If all of this doesn't help or if the button does not respond to a firm press, then it may be that the circuit board itself has become damaged. This can sometimes be repaired with a quick clean and replacing the solder, but it is recommended to have an additional fob on hand in the event that this method fails for you.

Circuitry

If the key fob buttons are working the circuit board that is inside the remote could be dirty. A very thorough inspection is often enough to resolve this issue. Broken cases and water are the most frequent causes of boards that are dirty. A broken case can let water and other debris into the circuit board, which can cause it to short. Water can also damage pins and vias, which are tiny connectors on the board.

If you're able to remove your key fob and don't mind some mess, we can de-solder the buttons and solder new ones in their place. It's also worth checking the connections between battery terminals. They can become very dirty and if they're loose the buttons might not work or even stay in their down position. Soldering the terminals and buttons to their proper positions is usually enough to restore a non-working fob to a working condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are more durable than the remote fobs that contain them but they can still be cracked by a hole drilled into them or run over by a lawnmowers or door handle for a car key button repair. Fuse failures are usually to blame for non-remote chips failures.

If you're able to remove a key fob that is sealed and are willing to put up with the mess, you can take off the circuit board and check the fuse using an instrument to verify diode function. If you're unsure about doing this, visit your local hardware store or the Oreilly's and they'll usually have a RF frequency tester that will let you know if the key repairs near me fob is sending a signal.

Programming

Key fobs are subject to many abuses and aren't indestructible. They may lose their connection to the receiver in your car because of shock or a low battery, requiring the reprogramming. A professional auto locksmith, or main dealer can reprogram the keyfob to get it functioning again. In the event that resetting and fixing your key fob doesn't work, it could be time to replace it all over again.