How 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 key fob repair near me.

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

Battery

It is not uncommon for the battery inside the car key fob to wear out. It is relatively easy to replace the battery, however it is crucial to make sure that you choose the correct type that you can refer to the owner's manual or talk to the dealer of the manufacturer to determine the type of battery you need. It is recommended to examine the battery compartment with care because dead batteries can leak caustic chemicals that can harm the remote. If replacing the batteries doesn't solve the issue it could be because there are other issues that require attention from a professional. For instance, if buttons seem to be stuck or broken, it may be necessary to disassemble the remote and rebuild its components. 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. This is not unusual however, it can cause buttons to cease functioning or require a long press to function. This can be frustrating especially when you're away from home and need to start your car. Fortunately, even worn out or malfunctioning buttons can often be fixed with just a bit of time and some of the materials you have in the house.

First, ensure that the batteries are up correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote and inspect the circuit board. Look for indications of rust or other indications that the buttons have been damaged or worn. For example the paint that conducts electricity could be missing. Utilizing a Q-tip that has been dipped in rubbing alcohol, gently clean any membrane contacts that have damaged or have conductive paint missing. Avoid rubbing too hard, as this can erode the conductive painting and prevent the button firing when the button is pressed.

Also, carefully check 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 follow the same process to restore functionality to any other loose connection within the fob.

If any of the rubber buttons located at the front of the keyfob are not functioning or require to be pressing very hard the graphite disks at the back of the button might have worn out and require replacement. This is usually done by rubbing a pencil on the disks. This should bring the button back to life.

If none of these solutions work, or if you still cannot get the button to respond when you press it hard, it is possible that the circuitry has failed. It is possible to fix this issue by cleaning and re-soldering the button but you should also have another spare in case it doesn't work.

Circuitry

If the keys fob buttons are functioning, the circuit board inside your remote may be dirty. This problem can be resolved through a thorough examination. The most common causes for dirty circuit boards are water and broken cases. A broken case can allow water and other debris to get into the circuit board, which can cause it to short. Water can also eat away at pins and small connectors on the board called via's.

If you're handy enough to open your key fob and don't mind making a mess, we can take off the buttons and put new ones in their place. It's also worth looking at the battery terminal connections. If they're loose, the buttons could not work or even become stuck in their down position. Soldering the terminals and button's back into place is typically all that's needed to return the key fob that is not working to working condition.

Non-Remote Transponder Chips

The non-remote chips that are sealed are more durable than remote fobs, but they can be cracked in the event of a hole being drilled into them or when a door handle for a car or lawnmower runs over them. The majority of non-remote key repair (click here to visit Thebindingwiki for free) transponder chips fail, and this can be blamed on a blown fuse.

If you're not comfortable opening the key fob, remove the circuitboard and utilize a multimeter to determine if the diode is functioning properly. If you're not confident doing this, go to your local hardware store or the Oreilly's and they will usually have a radio frequency tester that can determine if the key fob is sending signals.

Programming

Key fobs take a lot of abuse and aren't indestructible. They may lose their connection to the receiver in your car because of shock or a low battery, which requires them to be reprogrammed. A professional auto locksmith or a main dealer will be able to reprogram your automotive key repair fob to get it working again. If resetting or repairing your key fob fails it may be necessary to replace it.