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How to Fix a Key Fob That isn't Working

If your key fob repair near me fob isn't working There are a few simple steps that can fix it. The first step is to be sure it's not the backup remote.

If your backup remote can unlock and lock the doors of your car, then it is most likely that the primary remote is not working. The most common causes for key malfunctions for car remotes are issues with the circuitry or battery.

Battery

The battery in the key fob could get worn out over the course of time. It is fairly easy to change out batteries, but it is essential to ensure that you use the right type; you can look in your owner's manual, or contact the manufacturer's dealer to determine the type of battery you need. It is also a good idea to inspect the battery compartment thoroughly since dead batteries may leak caustic chemicals that can damage the remote. If changing the battery doesn't fix the problem there may be additional issues that require professional attention. If the buttons are stuck or broken for instance, it may be necessary take the Remote Key Repair apart and rework each component. You could also try reprogramming the vehicle to recognize the new key fob.

Buttons

Through repeated use, key fobs may become worn and dirty. It is not uncommon for buttons to stop functioning, or require a long push to make them work. This can be frustrating especially when you're away from your home and have to turn on your emergency car key repair. Even malfunctioning or worn-out buttons can be fixed with a little time and materials you already have at home.

First, verify that the batteries have been correctly placed and that the indentation at the back of the button is filled. Then, carefully remove the remote and inspect the circuit board. Look for evidence of rust, or other indications that the buttons are damaged or worn. For example there could be conductive paint missing. Use a Q-tip, dipped in rubbing alcohol to gently clean any membrane contact that has worn-out or where conductive paint is missing. Don't rub too hard as this can damage the conductive paint and prevent the button from firing when you press it.

Also, carefully check the battery connector terminals for an unattached solder connection. If this is the case, soldering them back in place may restore function to the button. The same procedure can be used to restore functionality to any other loose connections in the fob.

Finally, if any of the buttons made of rubber on the front of the key fob have stopped functioning or require a long press to function, it is likely that the graphite disks at the back of the button are wearing down and need to be replaced. This can usually be done by rubbing a pencil over the disks, which should bring the button back to working.

If none of these solutions work or you cannot get the button to respond when you press it hard, it is possible that the circuitry has failed. It is possible to fix this by cleaning and re-soldering your fob however, you should have another spare in case it doesn't work.

Circuitry

The circuit board in the remote control could be dirty regardless of whether the buttons on the key fob work or not. This issue can be fixed by a thorough inspection. The most common causes for dirty circuit boards are water and damaged cases. A broken key repair case can allow water and other debris to get into the circuit board, causing it to short out. Water can also eat through pins and vias, which are small connectors on the board.

If you're handy enough to open your key fob and don't mind a little mess, we can de-solder the buttons and then solder new ones in their place. It's also worth looking at the battery terminal connections. If they're loose, the buttons could not function properly or become stuck in their down position. Soldering the terminals, and putting the button back into place is typically all that's needed to return the key fob that is not working to working condition.

Non-Remote Transponder Chips

Sealed non-remote transponder chip are more durable than the remote fobs they are contained in, however they are still susceptible to being broken by a hole being drilled into them or run over by a lawnmowers blade or car door handle. Most of the time, non-remote transponder chip malfunctions could be attributed to blowing fuses.

If you're able to open the sealed key fob and can tolerate the mess, you can easily remove the circuit board and examine the fuse with a multimeter to ensure that it is functioning as intended. function. If you're not sure with this, go to your local Oreilly or hardware store and utilize their RF frequency tester. This will let you know whether the key fob is sending an RF signal.

Programming

Key fobs are not indestructible and can be damaged by a variety of factors. They can lose their pairing to the car's receiver because of shock or a low battery, requiring them to be reprogrammed. A professional auto locksmith or a main dealer can reprogram your key fob to get it back up and running. If resetting or replacing your keyfob does not work it may be necessary to replace it.