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How to Fix a Key Fob That isn't Working

If your key fob doesn't work, you can fix it with some simple steps. The first step is to make sure it's not the backup remote.

If your backup remote is unable to unlock and lock the doors of your vehicle, it is likely that the primary remote isn't working. Most problems with car remote keys are caused by battery or circuitry problems.

Battery

It is not uncommon to find a battery on the key fob for cars to wear out. It is simple to replace the battery. However, it is important that you use the correct kind. You can check the owner's manual or contact the manufacturer to inquire about the right type. It is also important to examine the battery compartment as batteries that are not working properly can release toxic chemicals that could damage the remote. If changing the battery doesn't solve the issue, there may be other issues that require attention from a professional. For instance, if the buttons seem to be stuck or broken it could be necessary to disassemble the remote and rebuild its components. You could also try reprogramming the vehicle key repairs to recognize the new key repair near me fob.

Buttons

Due to repeated use, key fobs can wear out and become dirty. It is not common to have buttons stop functioning, or require a hefty press to get them working. This can be very frustrating especially when you're away from home and need to start your car. Even broken or damaged buttons are often fixable with a little time and tools you already have at home.

First, check that the batteries are properly charged and that the indentation on the back of the button is filled. Take the remote apart and examine the circuit board. Check for signs of corrosion or other signs that the buttons are worn or damaged, like missing paint that is conductive. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that has become worn-out or has conductive paint missing. Avoid rubbing too hard, as this can erode the conductive painting and prevent the button from firing when it is it is pressed.

Also, carefully check the battery connector terminals for a loose solder connection. If this is the case, simply reconnecting them can restore 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 located at the front of the keyfob aren't working or require being press extremely hard the graphite disks on the back of the button may have worn out and will require replacement. This is usually done by rubbing a pencil over the disks. This should bring the button back to its original state.

If none of these solutions work, or if you still not be able to get the button respond when you press it hard, it is possible that the circuitry has failed. This can be fixed by a quick clean and replacing the solder, but it is recommended to have an additional fob available in the event this method doesn't work for you.

Circuitry

The circuit board of your remote control may be dirty, regardless of whether the buttons on the key fob work or [Redirect Only] not. This issue can be fixed through a thorough examination. Water and broken cases are the most common causes of dirty boards. A damaged case can allow water and other debris to pass through and short out the electronics. Water can also eat through pins and vias, which are tiny connectors on the board.

If you're handy enough to remove your key fob and aren't afraid of a little mess, we can de-solder 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 could not function or get stuck in their down position. Soldering the terminals and buttons back in place is usually all that's needed to return the key fob that is not working 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 that is drilled into them or over by a lawnmowers or door handle for a car. The failure of the fuse is usually to blame for non-remote chips failures.

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

Programming

Key fobs endure lots of abuse and aren't impervious to damage. They can lose their pairing to the receiver in your car because of shock or a low battery, requiring the reprogramming. A professional auto locksmith or main dealer will be able to reprogram your key fob to get it back up and running. If resetting or replacing your mobile key fob repair car remote control key; linked web page, fob fails, you may need to replace it.