How to Fix a Key Fob That isn't Working
If your key lock repair near me fob won't work, you can fix it by following just a few steps. First, check to make sure it's not the backup remote.
If the backup is able to lock and unlock your car doors then there is likely an issue with the primary remote. Most repair car keys remote key failures result from battery or circuitry problems.
Battery
The battery in the key fob could get worn out over the course of time. It is simple to replace the battery. However it is essential that you use the correct type. You can check your owner's guide or contact the manufacturer to determine the right kind. It is also crucial to check the battery compartment, as batteries that are not working properly can release caustic chemicals that can harm the remote. If changing the batteries doesn't solve the issue, it may be that there are other issues that require professional attention. If the buttons are stuck or broken for instance, it may be necessary disassemble the remote and rework each component. You can also try reprogramming the vehicle key repairs to recognize the new remote.
Buttons
From repeated use, mobile key repair near me fobs may become worn and dirty. This is not uncommon however it can cause buttons to stop working or require a long press to work. This can be a hassle especially when you're away from your home and need to turn on your car. Even worn-out or malfunctioning buttons can be fixed with a little time and tools you already have at home.
First, make sure that the batteries are properly installed and that the indentation at the back of the button has been filled. Then, carefully remove the remote and inspect the circuit board. Check for keyless Entry repair signs of corrosion or other indications that the buttons are worn or damaged, like missing conductive paint. Utilizing the Q-tip, dipped in alcohol to gently clean any membrane contacts that are worn 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.
Also, be sure to check the battery connector terminals for an unattached solder connection. Soldering them back to their original position will restore the button's functionality in the event that this is the situation. The same process can be used to restore function to any loose connections within the fob.
If, for instance, any of the buttons made of rubber that are on the front of the key fob aren't working or require a very hard press to work it is likely the graphite disks on the back of the button are deteriorating and require replacement. This can be done by rubbing a pencil over the disks, which should bring the button back to life.
If none of these solutions work or you are unable to get the button to respond when you press it hard, it is possible that the circuitry is failing. It is possible to fix this with a quick clean and re-soldering, but it is recommended to have an additional fob on hand in the event that this method does not work for you.
Circuitry
If the key fob buttons function, the circuit board inside your remote might be dirty. The issue can be solved by a thorough inspection. Broken and damaged cases are the most frequent causes of dirty boards. A broken case allows water and other debris to get in and short out the electronics. Water can also damage pins and connectors on the board, which are known as via's.
If you're handy enough to remove your key fob, and you're not afraid of a little mess, we can de-solder the buttons and then solder new ones in their place. Also, it's worth checking the connections between battery terminals. They can get very dirty and if they're loose, the buttons may not work or may even remain in their down position. Soldering the terminals and button's back into place is typically all it takes to restore a non-working key fob to functioning condition.
Non-Remote transponder chips
Sealed non-remote transponder chips are much more durable than remote fobs that have them but they can be cracked by a hole made in them or pushed over by a lawnmowers blade or door handle for a car. Most of the time non-remote transponder chip malfunctions could be attributed to blowing fuses.
If you're not confident opening the key fob, remove the circuitboard and utilize a multimeter to determine if the diode is functioning correctly. If you're unsure about doing this, head to your local hardware store or Oreilly's and they usually have an RFID frequency tester that can let you know whether the key fob sending signals.
Programming
Key fobs aren't indestructible and can be damaged by a variety of factors. They can lose their pairing to the receiver in your car due to shock or low battery, which calls for them to be reprogrammed. A professional auto locksmith or the main dealer can reprogram the keyfob and get it functioning again. In the rarer case that resetting and fixing your key fob isn't working it may be time to replace it completely.