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How to Fix a Key Fob That isn't Working

If your key fob does not work, you can fix it by following just a few steps. The first step is to be sure that it's not your backup remote.

If the backup remote is able to lock and unlock your car doors, it is most likely an issue with the main remote. The most common causes of key malfunctions for car remotes are issues with the circuitry or battery.

Battery

The battery inside a key repair shops near me fob can be worn out over time. It is fairly easy to replace a battery, although it is essential to ensure that you choose the correct type and you can consult your owner's manual, or contact the dealer for the manufacturer to determine the type of battery you require. It is also crucial to examine the battery compartment, since batteries that are not working properly can release caustic chemicals which can damage the remote. If replacing the batteries doesn't solve the problem, it may be that there are other issues that require attention by a professional. If the buttons are damaged or stuck for instance it could be necessary to disassemble the remote and rework each component. You can also try reprogramming your mobile car key repair to recognize the new key fob.

Buttons

Key fobs can get dirty and worn-out from frequent use. It is not uncommon for buttons to stop functioning, or require a long press to make them work. This can be a hassle, especially when you are away from your home and you need to turn on your car key fob repair service. Even worn-out or malfunctioning buttons are often fixable with a little effort and tools you already have at home.

First, verify that the batteries are properly placed and that the indentation at the back of the button has been filled. Take the remote key fob repairs apart and look over the circuit board. Examine for signs of rust or other signs that the buttons are worn or damaged, like missing conductive paint. Then, using a Q-tip that has been dipped in rubbing alcohol, gently clean any membrane contacts that have become damaged or have conductive paint missing. Don't rub too hard, as this could erode the conductive paint and prevent the button from firing when pressed.

Also, carefully check the battery connector's terminals for a loose solder connection. If this is the case, soldering them back in place could restore functionality to the button. The same procedure can be used to restore function to any other loose connections within the fob.

In the end, if any of the buttons made of rubber on the front of the key fob aren't functioning or require a hard press to work it is likely that the graphite disks at the back of the button are wearing out and require replacement. This can usually be done by rubbing a pencil over the disks, which will bring the button back to working.

If all of this doesn't help or if the button doesn't respond to a firm press It could be that the circuit board is damaged. It is possible to fix this with a quick clean and replacing the solder, but it is ideal to have a spare fob available in the event this method fails for you.

Circuitry

The circuit board inside your remote control could be dirty regardless of whether the buttons on the mobile key fob repair fob are working or not. The issue can be solved through a thorough examination. The most frequent causes of dirty circuit boards are water and damaged cases. A damaged case allows water and other debris to get in and short circuit the electronic components. Water can also eat away at pins and connectors on the board called via's.

If you're able to remove your key fob and don't mind a little mess, we can remove the solder from the buttons and then solder new ones in their place. Also, you should check the connections between the battery terminals. If they are loose, the buttons might not function properly or become stuck in their down position. Soldering the terminals, and putting the button back into place is typically all that's required to return keys that are not in functioning condition.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are more durable than the remote fobs that have them but they can be cracked by a hole drilled into them or run over by a lawnmower or door handle for a car key repair near me. Most of the time, non-remote transponder chip malfunctions can be attributed to blowing fuses.

If you're not confident opening the key fob, you can remove the circuitboard and utilize a multimeter to verify that the diode is operating correctly. If you're unsure about doing this, go to your local hardware store or the Oreilly's and they usually have a RF frequency tester that will determine whether the key fob sending signals.

Programming

Key fobs aren't impervious to destruction and can be damaged by a lot of things. They may lose their connection with the receiver in your vehicle because of shocks or a low battery, which calls for changing the program. A professional auto locksmith or the main dealer, can reprogram your keyfob to get it up and running again. If resetting or repairing the keyfob is not working it may be necessary to replace it.