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How to Fix a Key Fob That isn't Working

If your key fob isn't functioning, a few easy steps can be taken to fix it. The first step is to make sure it's not the backup remote.

If your backup remote cannot unlock and lock the doors of your vehicle, it is likely that the primary remote is not working. The most common causes for car keys repairs remote key failure are issues with the circuitry or battery.

Battery

It is not uncommon for the battery in the car remote key repair near me key fob to get worn out. It is easy to replace batteries. However it is essential that you choose the right type. You can refer to your owner's manual or call the manufacturer to inquire about the right kind. It is also essential to inspect the battery compartment, as batteries that are not working properly can release caustic chemicals that can harm the remote. If changing the batteries does not solve the issue it could be because there are other issues that require attention by a professional. For example, if buttons appear stuck or damaged, 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

Due to frequent use, key fobs may get dirty and worn. It is not unusual for buttons to stop functioning, or require a long push to make them work. This can be very frustrating especially when you're away from home and you need to switch on your car. Even worn-out or malfunctioning buttons can be fixed with a little time and materials you already have at home.

First, verify that the batteries have been correctly inserted and that the indentation at the back of the button has been filled. Then, open the remote with care and examine the circuit board. Look for signs of corrosion or other signs that buttons are worn out or damaged, such as missing conductive paint. Then, using a Q-tip dipped in alcohol, gently clean any membrane contacts that have damaged or have conductive paint missing. Be careful not to rub too hard, because this could damage the conductive paint and Keyless Entry Repairs block the button firing when the button is pressed.

Also, make sure to inspect the battery connector's terminals for a loose solder connection. If this is the case, connecting them back could bring back function to the button. The same procedure can be used to restore function to any loose connections inside the fob.

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

If none of these solutions work or you cannot get the button to respond when pressed hard, it is possible that the circuitry has failed. It is possible to fix the issue by cleaning and re-soldering the fob however, you should have an extra in case it does not work.

Circuitry

The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob function or not. This problem can be resolved by a thorough inspection. Water and broken car key repair cases are the most common causes of boards that are dirty. A damaged case can allow water and other debris to enter and short circuit the electronics. Water can also destroy 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 some mess, we can remove the solder from the buttons and then solder new ones in their place. It's also worth looking at the battery terminal connections. If they're loose, the buttons could not work or even become stuck in their down position. Soldering the terminals back to their proper positions is usually enough to bring a non-working fob back to working.

Non-Remote Transponder Chips

The non-remote chips sealed in a sealed case are more durable than their remote fobs, however they are susceptible where to repair car key remote cracking when a hole is made in them, or if a car door handle or lawnmowers is pushed over them. The majority of non-remote transponder chip malfunctions can be attributed to blowing fuses.

If you're handy enough to open a key fob that is sealed and can tolerate the mess, you can take off the circuit board and check the fuse using an instrument to verify 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 let you know whether the key fob is sending a signal.

Programming

Key fobs are subject to many abuses and aren't indestructible. They can break their connection with the receiver in your vehicle due to shocks or a low battery, which calls for reprogramming. A professional auto locksmith, or main dealer can reprogram your keyfob to get it up and running again. In the rarer case that resetting and repairing your key fob doesn't work, it could be time to replace it all over again.