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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. remote key repair near me is to make sure that it's not the backup remote.
If the backup can lock and unlock your car doors, it is most likely an issue with the main remote. Most problems with car remote keys result from battery or circuitry problems.
Battery
The battery in the key fob could get worn out over the course of time. It is easy to replace batteries. However, it is important to select the right kind. You can check your owner's guide or contact the manufacturer to determine the right kind. It is also essential to examine the battery compartment, as batteries that are not working properly can release caustic chemicals that can harm the remote. If replacing the batteries doesn't solve the problem, it may be that there are other issues that require professional attention. For example, if buttons seem stuck or damaged, it may be necessary to disassemble the remote and rework its parts. You could 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 uncommon for buttons to stop working, or to require a hard press to make them work. This can be extremely frustrating, especially if you are away from home and need to start your vehicle. Fortunately, even worn out or broken buttons can usually be fixed with just a bit of time and a few materials you might already have in the home.
First, ensure that the batteries are properly charged and that the indentation on the back of the button is filled. Then, carefully open up the remote and look at the circuit board. Examine for signs of rust or other indications that buttons are worn out or damaged, like missing paint that is conductive. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contacts that are worn or have conductive paint missing. Be careful not to rub too hard, since this could cause damage to the conductive paint and stop the button from firing when it is pressed.
Also, be sure to check the battery connector's terminals for a loose solder connection. Soldering them back in place will restore the button's functionality If this is the case. The same method can be used to restore function to any loose connections inside the fob.
In the end, if any of the rubber buttons on the front of the key fob stop working or require a very difficult press to function it is likely the graphite disks at the back of the button are wearing out and require replacement. This can usually be done by rubbing a pencil across the disks, which will bring the button back to life.
If none of this is helpful, or if the button does not respond to a firm press It could be that the circuit board itself is damaged. This can sometimes be repaired with a quick clean and refitting, but it's ideal to have a spare fob available in the event this method does not work for you.
Circuitry
If the keys fob buttons are functioning, the circuit board inside your remote might be dirty. The issue can be solved through a thorough examination. The most frequent causes of dirty circuit boards is water and damaged cases. A damaged case could let water and other debris into the circuit board, which can cause it to short out. Water can also destroy pins and connectors on the board, referred to as via's.
If you are handy enough to open your key fob and aren't afraid of making a mess, we can take the buttons out of their sockets and put in new ones. Also, you should check the connections between the battery terminals. They can get very dirty and if they're loose the buttons may not work or even stay in their down position. Soldering the terminals and buttons back in place is usually all that's needed to return the key fob that is not working to functioning condition.
Non-Remote transponder chips
The non-remote chips sealed in a sealed case are more durable than their remote fobs, however they are susceptible to cracking in the event of a hole being drilled into them or when a door handle for a car or lawnmowers plows over them. Most of the time, non-remote transponder chip failures can be attributed to a blown fuse.
If electronic key repair near me 're not comfortable opening the key fob, you can remove the circuitboard and use a multimeter to check that the diode is working correctly. If you're not confident doing this, visit your local hardware store or Oreilly's and they will usually have an RF frequency tester that will let you know whether the key fob is sending signals.
Programming
Key fobs are subject to many abuses and aren't impervious to damage. They may lose their connection with the receiver inside your vehicle due to shocks or a low battery, which calls for the reprogramming. A professional auto locksmith or dealer can reprogram your key fob to get it working again. If, in the unlikely event that resetting or repairing your key fob doesn't work it may be time to replace it entirely.