10 Quick Tips About Remote Key Repair
How to Fix a Key Fob That isn't Working
If your key fob won't work, you can fix it by following just a few steps. The first step is to make sure that it's not your backup remote.
If your backup remote is unable to lock and unlock the doors of your vehicle, it is likely that the main remote is not working. Most car remote key failures result from circuitry or battery issues.

Battery
It is not uncommon for the battery inside a car key fob to degrade. It is easy to replace a battery. However it is crucial that you choose the right kind. You can refer to your owner's guide or contact the manufacturer to find out the correct type. It is also important to inspect the battery compartment, as dead batteries can leak caustic chemicals that can harm the remote. If replacing the battery does not fix the problem, there may be other issues that require professional attention. If the buttons are damaged or stuck for instance it could be necessary to disassemble the remote and rework each component. It is also possible to reprogramme the vehicle to recognize the new device.
view publisher site can get dirty and worn-out from frequent use. It is not common for buttons to cease functioning, or require a hard press to make them work. This can be a huge hassle, especially if you are away from home and you need to start your vehicle. Fortunately, even worn out or damaged buttons can be fixed with a bit of time and some of the materials you have in the home.
First, check that the batteries are properly placed and that the indentation on the back of the button has been filled. Then, open the remote with care and examine the circuit board. Check for signs of rust or other signs the buttons are damaged or worn. For example, conductive paint may be missing. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that has worn out or where conductive painting is missing. Do not rub too vigorously, as this could erode the conductive paint and stop the button from firing when you press it.
Also, be sure to check the battery connector terminals for an unattached solder connection. Soldering them back into place will allow the button to function again in the event that this is the situation. The same procedure can be used to restore function to any other loose connections within the fob.
If any of the rubber buttons at the front of the keyfob are not functioning or require to be pressed extremely hard, the graphite disks at the back of the button might have worn out and will need to replaced. You can do this by rubbing a pencil over the disks. This will bring the button back to life.
If all of this doesn't help or if the button does not respond to a hard press, then it may be that the circuit board has gone bad. It is possible to fix the issue by cleaning and re-soldering the fob but you should also have an extra in case it doesn't work.
Circuitry
The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob are working or not. A very thorough inspection is usually enough to fix this issue. Water and broken cases are the most common causes of dirty boards. A broken case allows water and other debris to enter and short out the electronics. Water can also eat through pins and vias, which are small connectors that are found on the board.
If you are handy enough to open your key fob, and don't mind making an mess, you can remove the buttons from their sockets and solder in new ones. It's also worth checking the battery terminal connections. If they're loose, the buttons may not work or even become stuck in their down position. Soldering the terminals and buttons back in their place is generally all it takes to restore the key fob that is not working to working condition.
Non-Remote transponder chips
Sealed non-remote transponder chips are much more durable than remote fobs that have them however they are still susceptible to being damaged by a hole that is made in them or pushed over by a lawnmowers blade or door handle for a car. Most of the time non-remote transponder chip failures can be blamed on an exploded fuse.
If you're able to remove the sealed key fob and can tolerate the mess, you can easily remove the circuit board and check the fuse using a multimeter to ensure that it is functioning as intended. function. If you're not sure with this, you can go to your local Oreilly or hardware store and use their RF frequency tester. This will let you know whether the key fob is sending signals.
Programming
Key fobs aren't indestructible and are susceptible to damage by a lot of things. They may lose their connection to the car's receiver due to shock or low battery, which requires the reprogramming. A professional auto locksmith or a dealer in the main can reprogram the keyfob and get it working again. If resetting or repairing view publisher site does not work it may be necessary to replace it.