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how to repair car key fob to Fix a Key Fob That isn't Working

If your key fob doesn't work, a few easy steps can fix it. The first step is to make sure that it's not your backup remote.

If the backup can lock and unlock your car door, it is most likely an issue with the main remote. Most problems with car remote keys are caused by circuitry or battery problems.

Battery

The battery in a key fob can get worn out over the course of time. It is fairly easy to replace the battery, however it is crucial to make sure that you use the right type that you can refer to the owner's manual or talk to the dealer of the manufacturer to find out what kind of battery you need. It's also a good idea to examine the battery compartment with care since dead batteries may leak caustic chemicals that can harm the remote. If replacing the battery does not fix the problem there may be additional issues requiring professional attention. If buttons are broken or stuck, for example it might be necessary to take the remote car Key repairs apart and rework each component. You can also try reprogramming the vehicle to recognize the new key fob.

Buttons

Due to repeated use, key fobs could get dirty and worn. It is not unusual for buttons to stop functioning, or require a hard push to make them work. This can be very frustrating especially when you're away from home and have to start your car. Fortunately, even worn-out or damaged buttons can be fixed with just a bit of time and a few items you might already have in the house.

First, make sure the batteries are up correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote and look at the circuit board. Check for signs of corrosion or other indications that the buttons are worn or damaged, like missing the conductive paint. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that has worn out or has conductive paint missing. Don't rub too hard, as this could erode the conductive paint and prevent the button from firing when it is pressed.

Examine the battery connector's terminals carefully for any loose solder connections. If this is the case, simply soldering them back in place could bring back function to the button. You can follow the same method to restore functionality to any other loose connection inside the fob.

In the end, if any of the rubber buttons on the front of the key repairs near me fob stop functioning or require a hard press to work, it is likely that the graphite disks at the back of the button are wearing down and remote car key repairs need to be replaced. This can be done by rubbing a pencil on the disks. This should bring the button back to its original state.

If all of this doesn't help, or if the button still does not respond to a hard push It could be that the circuit board itself has become damaged. It is possible to fix this issue by cleaning and re-soldering the fob, but you should have an extra in case it does not work.

Circuitry

If the key fob buttons are working, the circuit board inside your remote may be dirty. This problem can be resolved by a thorough inspection. Broken and damaged cases are the most frequent causes of boards that are dirty. A broken case allows water and other debris to pass through and short circuit the electronic components. Water can also eat through pins and vias, which are the tiny connectors that are found on the board.

If you're handy enough to remove your key repair shop near me fob and aren't afraid of a little mess, we can de-solder the buttons and solder new ones in their place. It's also worth checking the connections between battery terminals. If they're loose, the buttons could not work or even become stuck in their down position. Soldering the terminals and buttons back into place is typically all it takes to restore a non-working key fob to functioning condition.

Non-remote car key repairs transponder chips

Sealed non-remote transponder chips are much more durable than the remote fobs that have them but they can still be cracked by a hole drilled into them or run over by a lawnmowers blade or door handle for a car. The majority of non-remote transponder chip failures can be blamed on a blown fuse.

If you are not comfortable opening the key fob, you can remove the circuitboard and use a multimeter to verify that the diode is working correctly. If you're not sure with this, you can visit your local Oreilly or hardware store and test their RF frequency tester. This will let you know whether the key fob transmits an RF signal.

Programming

Key fobs endure a lot of abuse and aren't impervious to damage. They can break their connection with the receiver inside your vehicle due to shocks or low-battery, which requires changing the program. A professional auto locksmith or dealer can reprogram your key fob and get it functioning again. In the event that resetting and repairing your key fob doesn't work it could be the time to replace it all over again.