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How to Fix a key repair service Fob That isn't Working

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

If the backup remote is able to lock and unlock your car door, it is most likely an issue with the primary remote. Most emergency car key repair remote key failures result from circuitry or battery problems.

Battery

It is not uncommon to find a battery on a key fob for cars to degrade. It is fairly easy to replace a battery, although it is essential to ensure you select the correct one and you can consult the owner's manual or talk to the manufacturer's dealer to determine the type of battery you need. It is also crucial to examine the battery compartment as batteries that are not working properly can release caustic chemicals that can harm the remote key repairs. If changing the battery doesn't fix the problem there could be other issues that require professional attention. For instance, if the buttons seem to be stuck or broken car key repair it could be necessary to disassemble the remote and rework its components. You can also try reprogramming the vehicle to recognize the new fob.

Buttons

Due to repeated use, key fobs can wear out and become dirty. It is not unusual for buttons to stop working, or to require a hard push to make them work. This can be extremely frustrating, especially if you are away from home and need to start your car. Even worn-out or malfunctioning buttons are often fixable with a little time and materials you already have at home.

First, verify that the batteries have been correctly installed and that the indentation on the back of the button has been filled. Then, open the remote with care and examine the circuit board. Check for signs of corrosion or other indications that buttons are worn out or damaged, like missing the conductive paint. Use a Q-tip, dipped in rubbing alcohol to gently clean any membrane contact that has become damaged or where conductive painting is missing. Don't rub too hard in order to damage the conductive paint and stop the button from firing when you press it.

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

Finally, if any of the buttons made of rubber that are on the front of the key fob aren't working or require a very difficult press to function, it is likely that the graphite disks on the back of the button are wearing out and require replacement. You can do this by rubbing a pen across the disks. This should bring the button back to life.

If all of this doesn't help, or if the button doesn't respond to a hard push, then it may be the case that the circuit board itself has become damaged. It is possible to fix this by a quick clean and refitting, but it's recommended to have an additional fob available in the event this method doesn't work for you.

Circuitry

Whether or not the key fob buttons are working, the circuit board inside your remote might be dirty. A thorough inspection will usually resolve this issue. Water and broken cases are the most common causes of dirty boards. A damaged case allows water and Keyless entry repair other debris to enter and short circuit the electronic components. Water can also eat away at pins and connectors that are small on the board, referred to as via's.

If you're able to remove your key fob and don't mind making a mess, we can de-solder the buttons and put new ones in their place. It's also worth checking the connections between battery terminals. If they are loose, the buttons may not function or get stuck in their down position. Soldering the terminals back into place is usually enough to return a malfunctioning fob back to working.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are much more durable than the remote fobs they are contained in, but they can be damaged by a hole that is made in them or pushed over by a lawnmowers or car door handle. Failures of the fuse are typically the cause of non-remote chip failures.

If you're able to open a sealed non-remote key fob and are able to bear the mess, you can remove the circuit board and test the fuse using an instrument to verify diode function. If you're unsure about doing this, head to your local hardware store or Oreilly's and they'll usually have a RF frequency tester that will let you know whether the key fob is transmitting a signal.

Programming

Key fobs are subject to a lot of abuse and aren't indestructible. They may lose their connection to the receiver in your car keys repairs near me due to shock or a low battery, which calls for them to be reprogrammed. A professional auto locksmith or dealer can reprogram your key fob to get it back up and running. In the rarer case that resetting or repairing your key fob isn't working it may be time to replace it entirely.