• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

How to Fix a Key Fob That isn't Working

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

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

Battery

It is not uncommon for the battery in the repair car keys key fob to degrade. It is easy to replace the battery. However, it is important that you use the correct kind. You can consult the owner's manual or contact the manufacturer to inquire about the right type. It is also a good idea to inspect the battery compartment thoroughly, as dead batteries sometimes leak caustic chemicals that can cause damage to the remote. If changing the batteries does not solve the issue it could be that there are other issues that require attention from a professional. If buttons are broken or stuck, for example it might be necessary to disassemble the remote and rework each component. You could also try reprogramming the vehicle to recognize the new fob.

Buttons

From repeated use, key fobs can get dirty and worn. It is not uncommon to have buttons stop working, or to require a hefty press to get them working. This can be very frustrating particularly when you're away from your home and you need to turn on your car. Fortunately, even worn-out or damaged buttons can be fixed with a bit of time and a few materials you may already have around the home.

First, ensure that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully open up the remote and inspect the circuit board. Check for signs of corrosion or other signs that buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip, dipped in alcohol to gently clean any membrane contact that has become worn out or where conductive painting is missing. Avoid rubbing too hard since this could cause damage to the conductive painting and prevent the button from firing when it is the button is pressed.

Also, carefully check the battery connector's terminals for an unattached solder connection. If this is the case, soldering them back in place can restore functionality to the button. The same process 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 mobile key repair fob stop working or require a long press to function it is likely the graphite disks that are on the back of the button are wearing out and require replacement. You can do this by rubbing a pen across the disks. This will bring the button back to life.

If none of this is useful, or if the button doesn't respond to a hard press, then it may be the case that the circuit board itself is damaged. This can be fixed by a quick clean, and replacing the solder, but it is best to have an extra fob in case this method doesn't work for you.

Circuitry

If the key fob buttons are working the circuit board that is inside the remote could be dirty. A thorough inspection will usually resolve this issue. Broken and damaged cases are the most common causes of dirty boards. A damaged case allows water and other debris to enter and short circuit the electronic car key repair near me components. Water can also eat through pins and vias, which are small connectors found on the board.

If you're able to open your key fob and aren't afraid of a little mess, we can de-solder the buttons and solder new ones in their place. It's also worth checking the connections between the battery terminals. They can become extremely dirty and if they're loose the buttons might not work or even stick in their down position. Soldering the terminals back to their proper positions is usually enough to bring a non-working fob back to working.

Non-remote car key Repairs transponder chips

Sealed non-remote transponder chip are more durable than the remote fobs they are contained in, but they can be cracked by a hole made in them or pushed over by a lawnmower or door handle for a car. Most of the time, non-remote transponder chips fail, and this can be blamed on a blown fuse.

If you're able to open up the sealed key fob and are willing to put up with 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 usually have an radio frequency tester that can determine whether the key fob sending signals.

Programming

Key fobs are not indestructible and can be damaged by a lot of things. They can lose their pairing to the emergency car key repair's receiver due to shock or a low battery, which requires them to be reprogrammed. A professional auto locksmith or main dealer can reprogram the key fob and get it back working again. If, in the unlikely event that resetting and repairing your key fob isn't working it may be time to replace it all over again.