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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 fix it. First, ensure that it's not the backup remote key repair near me.

If the backup can lock key repair near me and unlock your car key fob repair doors, then there is likely an issue with the primary remote. Most car remote key fob repairs key failures result from circuitry or battery issues.

Battery

It is not unusual for the battery inside the key fob for cars to wear out. It is easy to replace the battery. However, it is important to select the right kind. You can check your owner's guide or contact the manufacturer to determine the right type. It is also essential to check the battery compartment, since dead batteries can leak caustic chemicals which can damage the remote. If changing the batteries does not solve the problem it could be because there are other issues that require attention from a professional. For example, if buttons appear stuck or broken it could be necessary to take the remote apart and rework its components. It is also possible to reprogramme the vehicle to recognize the new device.

Buttons

Through repeated use, key fobs may get dirty and worn. It is not common to have buttons stop working, or to require a long push to make them work. This can be very frustrating, especially if you are away from home and need to start your vehicle. Even broken or damaged buttons are often fixable with a bit of time and the tools you already have at home.

First, verify that the batteries are correctly placed and that the indentation on the back of the button has been filled. Take the remote apart and look over the circuit board. Look for evidence of rust, or other signs the buttons are damaged or worn out. For instance there could be conductive paint missing. Utilizing the Q-tip, dipped in alcohol to gently clean any membrane contacts that have become damaged or where conductive paint is missing. Avoid rubbing too hard, as this can erode the conductive paint and block the button firing when it is pressed.

Also, carefully check the battery connector's terminals to ensure any loose solder connections. If this is the case, connecting them back can restore function to the button. The same method can be used to restore function to any other loose connections within the fob.

If any of the rubber buttons on the front of the keyfob are not working or need to be press very hard the graphite disks on the back of the button might have worn out and will need to replaced. This can be done by rubbing a pencil across the disks, which should bring the button back to life.

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

Circuitry

Whether or not the key fob buttons are working, the circuit board inside your remote may be dirty. The issue can be solved through a thorough examination. Broken and damaged cases are the most frequent causes of dirty boards. A broken case allows water and other debris to pass through and short circuit the electronic components. Water can also eat away at pins and connectors that are small on the board, which are known as via's.

If you're handy enough to remove your key fob and aren't afraid of a little mess, we can remove the solder from the buttons and put new ones in their place. It's also worth checking the battery terminal connections. They can get very filthy and if they're not tight enough, the buttons may not work or may even remain in their down position. Soldering the terminals and button's back in their place is generally all it takes to restore the key fob that is not working to working condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are much more durable than remote fobs they are contained in, however they are still susceptible to being broken by a hole being that is drilled into them or over by a lawnmower or door handle for a car key fob repair near me. Most of the time, non-remote transponder chip failures can be blamed on an exploded fuse.

If you're able to remove a key fob that is sealed and are able to bear the mess, you can easily remove the circuit board and check the fuse with an instrument to verify diode function. If you're not comfortable with this, go to your local Oreilly or hardware store and test their RF frequency tester. This will tell you whether the key fob is sending an RF signal.

Programming

Key fobs endure a lot of abuse and aren't completely indestructible. They may lose their connection to the car's receiver due to shock or a low battery, requiring them to be reprogrammed. A professional auto locksmith or a main dealer will be able to reprogram your key fob to get it working again. If, in the unlikely event that resetting and fixing your key fob isn't working, it could be time to replace it entirely.