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how to repair broken car key to Fix a Key Fob That isn't Working

If your key fob won't work then you can fix it with some simple steps. The first step is to be sure that it's not the backup remote.

If the backup is able to lock and unlock your car door, then there's a likely issue with the primary remote. Most problems with car key button repair remote keys result from circuitry or battery problems.

Battery

It is not uncommon for the battery inside the key fob for cars to get worn out. It is simple to replace batteries. However, it is important that you choose the right type. You can consult your owner's guide or contact the manufacturer to inquire about the correct type. It is also crucial to check the battery compartment as batteries that are not working properly can release caustic chemicals which can damage the remote. If changing the batteries doesn't solve the problem it could be that there are other issues that require attention by a professional. If the buttons are broken car key repair or stuck, for example it might be necessary to disassemble the remote and rework each component. You can also try reprogramming your car to recognize the new key fob.

Buttons

Key fobs may become filthy and worn out due to frequent use. This is not uncommon, but it can cause buttons to stop working or require a very long press to function. This can be extremely frustrating especially if you're away from home and need to start your vehicle. Fortunately, even worn-out or malfunctioning buttons can often be fixed with just a bit of time and a few items you have in the house.

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. Look for signs of corrosion or other indications that the buttons are worn or damaged, such as missing conductive paint. Use a Q-tip dipped into alcohol to gently clean any membrane contact that has become worn out or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint and prevent the button from firing when it is pressed.

Also, make sure to inspect the battery connector's terminals for any loose solder connections. Soldering them back into place can restore the button's functionality in the event that this is the case. You can use the same process to restore functionality to any other loose connection inside the fob.

If, for instance, any of the buttons made of rubber that are on the front of the key fob have stopped working or require a difficult press to function it is likely that the graphite disks at the back of the button are wearing down and need to be replaced. This can usually be done by rubbing a pencil over the disks. This should bring the button back to life.

If none of this is useful, or if the button does not respond to a hard press 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 also have a spare in case it doesn't work.

Circuitry

The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob are working or not. A very thorough inspection is often enough to resolve this problem. Water and broken cases are the most common causes of boards that are dirty. A damaged case allows water and other debris to get in and short out the electronics. Water can also eat away at pins and connectors on the board called via's.

If you are handy enough to open your key fob and you don't mind making a mess, we can take the buttons out of their sockets and put in new ones. It's also worth examining the battery terminal connections. If they are loose, the buttons may not function or get stuck in their down position. Soldering the terminals and buttons back in their place is generally all that's required to return the key fob that is not working to functioning condition.

Non-Remote Transponder Chips

The sealed non-remote chips are more durable than their remote fobs, however they are susceptible to cracking when a hole is made into them or when a door handle for a car or lawnmower runs over them. Fuse failures are usually to blame for non-Remote Key Repair chips failures.

If you're handy enough to remove the sealed key fob and can tolerate the mess, you can easily remove the circuit board and test the fuse using an instrument to verify diode function. If you're not sure with this, you can go to your local Oreilly or hardware store and use their RF frequency tester. This will let you know whether the key fob sends signals.

Programming

Key fobs are subject to a lot of abuse and aren't indestructible. They may lose their connection with the receiver inside your vehicle due to shocks or low-battery, which requires the reprogramming. A professional auto locksmith or a dealer in the main can reprogram the keyfob and get it functioning again. If resetting or repairing your key fob fails, you may need to replace it.