How to Fix a Key Fob That isn't Working

If your key fob doesn't work, a few easy steps can be taken to fix it. First, check to make sure it's not the backup remote.

If the backup can lock and unlock your repair car remote control key car key remote; please click the next document, doors it is most likely an issue with the primary remote. The most frequent causes of key problems with your car key repair cost remote are issues with the circuitry or battery.

Battery

It is not unusual to find a battery on a key fob for cars to wear out. It is easy to replace batteries. However, it is important to select the right kind. You can consult your owner's manual or call the manufacturer to determine the right kind. It is also a good idea to inspect the battery compartment with care, as dead batteries sometimes leak harmful chemicals that can harm 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 the buttons are stuck or broken for instance it might be necessary to take the remote apart and rework each component. You could also try reprogramming the vehicle to recognize the new remote.

Buttons

Due to frequent use, key fobs may become worn and dirty. This is not uncommon however, it can cause buttons to cease functioning or require a long press to function. This can be very frustrating especially if you're away from home and you need to start your vehicle. Fortunately, even worn out or broken buttons can usually be fixed with a bit of time and a few items you have in the house.

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 examine the circuit board. Check for signs of rust or other signs the buttons are damaged or worn out. For example the paint that conducts electricity could be missing. Use a Q-tip dipped in rubbing alcohol, gently clean any membrane contacts that are worn or have conductive paint missing. Be careful not to rub too hard, as this can erode the conductive paint and block the button firing when pressed.

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

If, for instance, any of the buttons made of rubber on the front of the key fob aren't working or require a hard press to work it is likely that the graphite disks that are on the back of the button are wearing down and require replacement. This can be done by rubbing a pencil on the disks, which will bring the button back to life.

If none of these solutit board and check the fuse using a multimeter to ensure that it is functioning as intended. function. If you're not comfortable with this, go to your local Oreilly or hardware store and use their RF frequency tester. This will let you know whether the key fob transmits an RF signal.

Programming

Key fobs aren't impervious to destruction and are susceptible to damage by a variety of factors. They may lose their connection to the car key button repair's receiver due to shock or a low battery, which requires the reprogramming. A professional auto locksmith or a main dealer can reprogram your key fob to get it functioning again. If resetting or replacing your keyfob does not work it may be necessary to replace it.