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 some simple steps. The first step is to make sure that it's not your backup remote.
If the backup remote is able to lock and unlock your car doors it is most likely an issue with the main remote. Most car key button repair remote key failures result from circuitry or battery issues.
Battery
The battery in the key fob could get worn out over the course of time. It is relatively easy to replace batteries, but it is essential to ensure you use the right type; you can look in the owner's manual or talk to the manufacturer's dealer to find out what kind of battery you require. It's also a good idea to examine the battery compartment thoroughly because dead batteries can release caustic chemicals that could damage the remote. If replacing the batteries doesn't solve the problem it could be that there are other issues that require attention by a professional. If the buttons are stuck or broken, for example it might be necessary to take the remote apart and rework each component. You could also try reprogramming the vehicle to recognize the new mobile key repair fob.
Buttons
Key fobs can become dirty and worn out from repeated use. This is not unusual however, it can cause buttons to stop working or require a very hard press for them to work. This can be extremely frustrating, especially if you are out of town and need to start your vehicle. Even broken or damaged buttons are often fixable with a little effort and tools you already have at home.
First, make sure the batteries are properly charged and that the indentation on the back of the button is filled. Then, open the remote with care and look over the circuit board. Check for signs of corrosion or other signs that the buttons are worn or damaged, such as missing the conductive paint. Use 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, as this could erode the conductive paint and stop the button from firing when you press it.
Examine the battery connector's terminals carefully for any loose solder connections. If this is the case, simply connecting them back could restore function to the button. You can use the same procedure to restore functionality to any other loose connection within the fob.
If, for instance, any of the rubber buttons on the front of the key fob have stopped working or require a very long press to function it is likely the graphite disks at the back of the button are wearing down and require replacement. It is usually done by rubbing a pen over the disks. This should 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 this by cleaning and re-soldering the button but you should also have an extra in case it does not work.
Circuitry
If the keys fob buttons are functioning the circuit board that is inside the remote could be dirty. This issue can be fixed through a thorough examination. broken key repair near me (More about the author) and damaged cases are the most frequent causes of boards that are dirty. A damaged case could allow water and other debris to get into the circuit board, which can cause it to short out. Water can also damage pins and small connectors on the board called via's.
If you're able to remove your key fob and don't mind a little mess, we can take off the buttons and then solder new ones in their place. It's also worth checking the battery terminal connections. They can get very filthy and if they're not tight enough, the buttons may not work or even stay in their down position. Soldering the terminals and buttons to their proper positions is usually enough to restore a non-working fob back to working.
Non-Remote transponder chips
Sealed non-remote transponder chips are much more durable than the remote fobs they are contained in, however they are still susceptible to being cracked by a hole made in them or pushed over by a lawnmower or door handle for a car keys repair near me. The majority of non-remote transponder chip malfunctions can be blamed on blowing fuses.
If you're not confident opening the key fob, you can remove the circuitboard and utilize a multimeter to determine if the diode is functioning correctly. If you don't feel comfortable with this, go to your local Oreilly or hardware store and utilize their RF frequency tester. This will inform you whether the key fob sends signals.
Programming
key fob repairs fobs aren't indestructible and can be damaged by a lot of things. They can lose their pairing to the car's receiver because of shock or a low battery, which calls for the reprogramming. A professional auto locksmith or main dealer can reprogram your key fob and get it functioning again. If, in the unlikely event that resetting and fixing your key fob doesn't work it may be time to replace it all over again.