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How to Fix a Key Fob That isn't Working

If your key fob won't work and you're not sure why, you can fix it by following a few simple steps. The first step is to make sure that it's not your backup remote.

If the backup can lock and key repair near me and unlock your car doors, it is most likely an issue with the main remote. Most car remote key failures result from circuitry or battery issues.

Battery

It is not unusual for the battery in the key fob for cars to degrade. It is relatively easy to change out a battery, although it is important to make sure that you choose the correct type and you can consult your owner's manual or contact the manufacturer's dealer to find out what kind of battery you need. It is also a good idea to inspect the battery compartment with care since dead batteries may leak caustic chemicals that can cause damage to the remote. If replacing the battery does not fix the problem there could be other issues requiring professional attention. For instance, if the buttons seem stuck or broken, it may be necessary to take the remote apart and rework its components. You can also try reprogramming the vehicle to recognize the new device.

Buttons

Key fobs can become dirty and worn out from repeated use. This is not uncommon, but it can cause buttons to cease working or require a very long press to work. This can be extremely frustrating, especially if you are out of town and need to start your vehicle. Fortunately, even worn out or broken buttons can usually be fixed with a little time and a few items you may already have around the home.

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

Also, make sure to inspect the battery connector terminals for an unattached solder connection. Soldering them back into place can restore the button's functionality If this is the case. The same method can be used to restore functionality to any other loose connections inside the fob.

If any of the rubber buttons at the front of the keyfob are not working or need to be pressing 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 pen across the disks. This will bring the button back to life.

If none of this is useful, or if the button still doesn't respond to a firm press, then it may be because the circuit board itself has become damaged. It is possible to fix this issue by cleaning and re-soldering the fob but you should also have another spare in case it doesn't work.

Circuitry

Whether or not the key fob buttons function the circuit board that is inside your remote may be dirty. A thorough inspection is often enough to resolve this problem. Broken cases and water are the most frequent causes of dirty boards. A broken case can allow water and other debris to get into the circuit board, which can cause it to short out. Water can also damage pins and small connectors on the board, referred to as via's.

If you are handy enough to open your key fob and you don't mind making a mess, we can remove the buttons from their sockets and put in new ones. It's also worth examining the battery terminal connections. If they are loose, the buttons could not work or even become stuck in their down position. Soldering the terminals and button's back in place is usually all it takes to restore a non-working key fob to working condition.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are more durable than remote fobs that contain them but they can still be broken by a hole being drilled into them or run over by a lawnmowers or door handle for a car key fob repair near me. The majority of non-remote transponder chips fail, and this can be blamed on a blown fuse.

If you're handy enough to open up a sealed non-remote key fob and are willing to put up with the mess, you can remove the circuit board and examine the fuse using an instrument to verify diode function. If you're not sure with this, go to your local Oreilly or hardware store and utilize their RF frequency tester. This will let you know whether the key fob transmits signals.

Programming

Key Repair shops near Me fobs are not indestructible and can be damaged by a variety of factors. They can break their connection with the receiver in your vehicle because of shocks or a low battery, which calls for reprogramming. A professional auto locksmith or a main dealer will be able to reprogram your automotive key repair fob to get it back up and running. If resetting or repairing your keyfob does not work, you may need to replace it.