10 Tell-Tale Symptoms You Need To Get A New Remote Key Repair
How to Fix a Key Fob That isn't Working
If your key fob won't work, you can fix it with some simple steps. First, make sure that it's not your backup remote.
If your backup remote cannot unlock and lock the doors of your car, then it is most likely that the primary remote is not working. The majority of car remote key malfunctions result from circuitry or battery issues.
Battery
The battery inside the key fob could wear out over time. It is easy to replace the battery. However, it is important that you choose the right kind. You can refer to the owner's manual or contact the manufacturer to find out the right kind. It is also important to examine the battery compartment, as batteries that are not working properly can release caustic chemicals that can harm the remote. If changing the battery doesn't fix the problem there may be additional issues requiring professional attention. For example, if buttons seem stuck or broken, it may be necessary to disassemble the remote and rework its components. You can also try reprogramming your vehicle to recognize the new key fob.
Buttons
Key fobs can become dirty and worn out from repeated use. It is not unusual to have buttons stop functioning, or require a hard press to make them work. This can be extremely frustrating especially if you're away from home and you need to start your car. Fortunately, even worn out or broken buttons can usually be fixed with just a bit of time and a few materials you may already have around the house.
First, make sure the batteries are charged correctly and that the indentation on the back of the button is filled. Open the remote carefully and inspect the circuit board. Examine 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. Use a Q-tip, dipped in rubbing alcohol to gently clean any membrane contact that has become worn-out or where conductive painting is missing. Don't rub too hard, as this could erode the conductive paint and stop the button from firing when pressed.

Also, be sure to check the battery connector's terminals for an unattached solder connection. Soldering them back in place will allow the button to function again in the event that this is the situation. The same method 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 aren't working or require being press extremely hard, the graphite disks at the back of the button could have worn out and will require replacement. This can usually be done by rubbing a pencil on the disks, which will bring the button back to working.
If none of these solutions work or you not be able to get the button respond when you press it hard, it could be that the circuitry has failed. It is possible to fix this by a quick clean, and replacing the solder, but it is best to have an extra fob on hand in the event that this method doesn't work for you.
Circuitry
The circuit board in your remote control may be dirty regardless of whether the buttons on the key fob are working or not. A thorough inspection is often enough to resolve this issue. Broken cases and water are the most frequent causes of dirty boards. A damaged case could allow water and other debris into the circuit board, which can cause it to short. Water can also damage pins and vias, which are tiny connectors that are found on the board.
If you're handy enough to open up your key fob, and you're not afraid of some mess, we can remove the solder from the buttons and solder new ones in their place. It's also worth checking the battery terminal connections. If they are loose, the buttons may not function properly or become stuck in their down position. Soldering the terminals and buttons back in their place is generally all that's needed to return the key fob that is not working to functioning condition.
Non-Remote Transponder Chips
Sealed non-remote transponder chips are much more durable than remote fobs they are contained in, however they are still susceptible to being cracked by a hole that is drilled into them or over by a lawnmowers blade or car door handle. Fuse failures are usually to blame for non-remote chip failures.
If you're handy enough to open a sealed non-remote key fob and can tolerate the mess, you can take off the circuit board and test the fuse using a multimeter to ensure that it is functioning as intended. function. If you're not confident doing this, head to your local hardware store or the Oreilly's and they'll usually have an radio frequency tester that can let you know if the key fob is transmitting a signal.
Programming
fob repair near me endure many abuses and aren't completely indestructible. They can lose their pairing with the receiver in your vehicle because of shocks or a low battery, requiring the reprogramming. A professional auto locksmith or dealer will be able to reprogram your key fob to get it functioning again. If resetting or repairing your key fob fails, you may need to replace it.