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How to Fix a Key Fob That isn't Working

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

If the backup can lock and unlock your car doors, it is most likely an issue with the primary remote key repair. The majority of car remote key malfunctions result from battery or circuitry problems.

Battery

The battery inside the key fob could wear out over time. It is simple to replace a battery. However, it is important to select the right type. You can refer to your owner's manual or call the manufacturer to inquire about the right type. It's also a good idea to examine the battery compartment thoroughly, as dead batteries sometimes release caustic chemicals that could harm the remote. If replacing the batteries doesn't solve the problem, it may be that there are other issues that require attention from a professional. If buttons are broken or stuck, for example, it may be necessary take the remote car key repairs apart and rework each component. You could also try reprogramming the vehicle to recognize the new fob.

Buttons

Due to repeated use, key fobs can become worn and dirty. This is not unusual, but it can cause buttons to stop working or require a very long press to function. This can be very frustrating, especially when you are away from your home and have to start your car. Fortunately, even worn out or broken buttons can usually be fixed with a bit of time and some of the materials you may already have around the house.

First, make sure that the batteries are correctly inserted and that the indentation at the back of the button is filled. Then, carefully open up the remote and look at the circuit board. Check for evidence of rust, or other signs the buttons have been worn or damaged. For instance, conductive paint may be missing. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that is worn out or where conductive painting is missing. Be careful not to rub too hard, as this can erode the conductive paint and stop the button from firing when it is pressed.

Check the battery connector's terminals carefully for any loose solder connections. If this is the case, soldering them back in place may bring back function to the button. The same method can be used to restore functionality to any other loose connections inside the fob.

Finally, if any of the buttons made of rubber on the front of the key fob aren't working or require a very long press to function it is likely that the graphite disks on the back of the button are wearing down and require replacement. This can usually be done by rubbing a pencil over the disks. This should bring the button back to its original state.

If none of this is useful, or if the button still does not respond to a hard push It could be because the circuit board has become damaged. It is possible to fix this by cleaning and re-soldering the fob, but you should have an extra in case it doesn't work.

Circuitry

The circuit board of your remote control could be dirty regardless of whether the buttons on the key fob work or not. A very thorough inspection is usually enough to fix this issue. The most common causes of dirty circuit boards is water and broken cases. A damaged case allows water and other debris to pass through and short circuit the electronic components. Water can also destroy pins and small connectors on the board called via's.

If you're handy enough to open your key fob and don't mind some mess, we can de-solder the buttons and solder new ones in their place. It's also worth examining the battery terminal connections. If they are loose, the buttons may not function properly or become stuck in their down position. Soldering the terminals and buttons back into place is typically all that's required to return a non-working key fob repairs near me fob to working condition.

Non-Remote transponder chips

The non-remote key fob repair chips that are sealed are more durable than their remote car key repair near me (visit the following website page) fobs, however they are susceptible to cracking when a hole is made into them or in the event that a door handle of a car or lawnmower runs over them. The majority of non-remote transponder chip failures could be attributed to blowing fuses.

If you're not confident opening the key fob, you can take the circuit board off and use a multimeter to check that the diode is operating correctly. If you're not confident doing this, go to your local hardware store or Oreilly's, and they'll usually have an radio frequency tester that can determine whether the key fob is sending signals.

Programming

Key fobs endure lots of abuse and aren't completely indestructible. They may lose their connection with the receiver inside your vehicle because of shocks or a low battery, which calls for the reprogramming. A professional auto locksmith or a main dealer can reprogram your key fob to get it back up and running. In the rarer case that resetting or repairing your key fob doesn't work it may be time to replace it completely.