How to Fix a Key Fob That isn't Working

If your key fob doesn't work and you're not sure why, you can fix it with a few simple steps. The first step is to be sure it's not the backup remote.

If your backup remote key repair - http://ns1.javset.net - is unable to unlock and lock the doors of your car, then it is most likely that the primary remote is not working. The most common causes for key malfunctions for car remotes are issues with the circuitry or battery.

Battery

The battery in the key fob may be worn out over time. It is relatively easy to replace batteries, but it is important to ensure that you select the correct one and you can consult your owner's manual or contact the dealer of the manufacturer to find out the kind of battery you need. It is also important to inspect the battery compartment, since batteries that are not working properly can release caustic chemicals which can damage the remote. If changing the battery doesn't solve the issue there may be additional issues that require attention from a professional. For instance, if the buttons appear stuck or damaged It may be necessary to disassemble the remote and rework its parts. You can also try reprogramming the vehicle to recognize the new key fob.

Buttons

Due to frequent use, key fobs may get dirty and worn. It is not uncommon for Remote Key Repair buttons to stop functioning, or require a hard press to make them work. This can be very frustrating especially when you're away from your home and need to start your mobile car key repair. Even worn-out or malfunctioning buttons are often fixable with a little effort and materials you already have at home.

First, check that the batteries are properly placed and that the indentation at the back of the button has been filled. Open the remote carefully and inspect 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 in rubbing alcohol to gently clean any membrane contact that is damaged 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 to ensure any loose solder connections. If this is the case, simply reconnecting them may restore function to the button. You can follow the same procedure to restore functionality to any other loose connection in the fob.

If, for instance, any of the buttons made of rubber that are on the front of the key fob have stopped functioning or require a long press to function it is likely the graphite disks at the back of the button are wearing out and need to be replaced. This is usually done by rubbing a pencil across the disks, which will bring the button back to life.

If none of these solutions work or you not be able to get the button respond when pressed hard, it is possible that the circuitry has failed. It is possible to fix the issue by cleaning and re-soldering your fob however, you should have an extra in case it does not work.

Circuitry

The circuit board of your remote control could be dirty, regardless of whether the buttons on the key fob work or not. The issue can be solved through a thorough examination. Broken cases and water are the most common causes of dirty boards. A damaged case can allow water and other debris to pass through and short out the electronic components. Water can also destroy pins and remote key repair small connectors on the board called via's.

If you're handy enough to open your key fob and aren't afraid of some mess, we can take off the buttons and then solder new ones in their place. It's also worth looking at the battery terminal connections. If they are loose, the buttons might not work or even become stuck in their down position. Soldering terminals and buttons back to their proper positions is usually enough to return a malfunctioning fob back to working.

Non-Remote Transponder Chips

The non-remote chips sealed in a sealed case are more durable than their remote fobs. However, they are susceptible to breaking if a hole is drilled in them or if a car door handle or lawnmowers plows over them. Fuse failures are usually to blame for non-remote chip failures.

If you're not confident opening the key fob, take the circuit board off and use a multimeter to determine if the diode is working properly. If you're unsure about doing this, visit your local hardware store or the Oreilly's and they usually have a radio frequency tester that can determine whether the key fob sending signals.

Programming

Key fobs take many abuses and aren't impervious to damage. They may lose their connection with the receiver inside your vehicle because of shocks or a low battery, which calls for reprogramming. A professional auto locksmith or dealer will be able to reprogram your key fob to get it functioning again. If, in the unlikely event that resetting and repairing your key fob fails it may be time to replace it entirely.