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How to Fix a Key Fob That isn't Working

If your key fob isn't working There are a few simple steps that can fix it. First, make sure that it's not your backup remote.

If your backup remote cannot unlock and lock the doors of your repair car remote control key, it is likely that the primary remote isn't functioning. The most common causes of key problems with your car remote are battery or circuitry issues.

Battery

The battery in a key fob can wear out over time. It is fairly easy to replace batteries, but it is crucial to make sure that you use the right type that you can refer to the owner's manual or talk to the dealer of the manufacturer to find out the kind of battery you require. It is also essential to examine the battery compartment, as batteries that are not working properly can release 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 by a professional. If buttons are damaged or stuck for instance it could be necessary to remove the remote and rebuild each component. You could also try reprogramming your car to recognize the new key fob.

Buttons

Through repeated use, key fobs may wear out and Remote Key Repair become dirty. It is not unusual for buttons to cease functioning, or require a hefty push to make them work. This can be frustrating particularly when you're away from home and need to turn on your car. Fortunately, even worn out or malfunctioning buttons can often be fixed with a little time and a few items you may already have around the house.

First, check that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote and examine the circuit board. Examine for signs of rust or other signs the buttons have been damaged or worn out. For example there could be conductive paint missing. Use the Q-tip, dipped in alcohol to gently clean any membrane contacts that are damaged or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint, and block the button from firing when it is pressed.

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

If any of the rubber buttons at the front of the keyfob isn't working or need to be pressed extremely hard, the graphite disks at the back of the button may have worn out and need to replaced. 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 does not respond to a hard push It could be that the circuit board itself is damaged. This can sometimes be repaired with a quick clean and re-soldering, but it is best to have an extra fob in case this method doesn't work for you.

Circuitry

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

If you're handy enough to open up your key fob and aren't afraid of some mess, we can de-solder the buttons and put new ones in their place. It's also worth looking at the battery terminal connections. If they are loose, the buttons could not function or get stuck in their down position. Soldering the terminals, and putting the button back in their place is generally all that's required to return a non-working key fob to working order.

Non-Remote Transponder Chips

The sealed non-remote chips are more durable than their remote key repair key - http://spectr-sb116.ru/, fobs, however they are susceptible to breaking in the event of a hole being drilled in them, or in the event that a door handle of a car or lawnmowers is pushed over them. Most of the time, non-remote transponder chip failures could be attributed to a blown fuse.

If you're able to remove a sealed non-remote key fob and can tolerate the mess, you can remove the circuit board and test the fuse with a multimeter for proper diode function. If you're not confident doing this, go to your local hardware store or Oreilly's and they will usually have a radio frequency tester that can tell you if the key fob is transmitting a signal.

Programming

Key fobs aren't indestructible and are susceptible to damage by a variety of factors. They can lose their pairing to the receiver in your car due to shock or low battery, which requires them to be reprogrammed. A professional auto locksmith or a main dealer can reprogram your key fob and get it functioning again. If, in the unlikely event that resetting and repairing your key fob isn't working it could be the time to replace it entirely.