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How to Fix a Key Fob That isn't Working

If your key fob isn't working, a few easy steps can be taken to fix it. The first step is to make sure that it's not the backup remote.

If the backup remote is able to lock and unlock your car key fob repairs near me doors, then there's a likely issue with the main remote. The most common causes for car key repairs near me remote key failure are battery or circuitry issues.

Battery

The battery in the ignition key repair near me fob could get worn out over the course of time. It is easy to replace a battery. However it is essential to select the right kind. You can consult the owner's manual or contact the manufacturer to determine the right type. It's also a good idea to inspect the battery compartment carefully, as dead batteries sometimes leak harmful chemicals that can damage the remote. If changing the battery doesn't solve the issue there may be additional issues that require professional attention. For instance, if the buttons appear stuck or broken key repair near me, it may be necessary to take the remote apart and rework its components. You could also try reprogramming the vehicle to recognize the new remote.

Buttons

From frequent use, key fobs could wear out and become dirty. It is not unusual for buttons to stop functioning, or require a hard push to make them work. This can be a huge hassle, especially if you are away from home and you need to start your car. Even malfunctioning or worn-out buttons can be fixed with a little time and the 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. Then, carefully open up the remote and examine the circuit board. Check for signs of corrosion or other indications that buttons are worn out or damaged, such as missing conductive paint. Then, using the Q-tip, dipped in alcohol to gently clean any membrane contacts that have worn or where conductive paint is missing. Avoid rubbing too hard, as this can erode the conductive paint and block the button from firing when the button is pressed.

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

If any of the rubber buttons at the front of the keyfob aren't functioning or require to be press very hard the graphite disks at the back of the button may have worn out and will need to replaced. You can usually do this by rubbing a pen across the disks. This should bring the button to life.

If none of these solutions work or you cannot get the button to respond when you press it hard, it could be that the circuitry is failing. It is possible to fix the issue by cleaning and re-soldering the fob, but you should have another spare in case it doesn't work.

Circuitry

If the keys fob buttons are functioning, the circuit board inside your remote may be dirty. A thorough examination is usually enough to fix this problem. Water and broken cases are the most frequent causes of dirty boards. A broken case allows water and other debris to get in and short circuit the electronics. Water can also eat through pins and vias, which are small connectors that are found on the board.

If you're handy enough to open up your key fob and don't mind some mess, we can de-solder the buttons and then solder new ones in their place. It's also worth looking at the battery terminal connections. They can become extremely dirty and if they're loose, the buttons might not function or even stick in their down position. Soldering terminals and buttons back to their original positions is often enough to restore a non-working fob to a working condition.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are more durable than the remote fobs that contain them but they can be damaged by a hole that is made in them or pushed over by a lawnmowers or car door handle. Most of the time non-remote transponder chip failures could be attributed to an exploded fuse.

If you're handy enough to remove a sealed non-remote key fob and are able to bear the mess, you can take off the circuit board and test 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 test their RF frequency tester. This will let you know whether the key fob transmits signals.

Programming

Key fobs take a lot of abuse and aren't indestructible. They may lose their connection to the receiver in your car due to shock or a low battery, which requires the reprogramming. A professional auto locksmith, or a dealer in the main, lock Key repair near me can reprogram your key fob and get it back up and running again. If resetting or replacing your key fob fails it may be necessary to replace it.