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How to Fix a key repair service Fob That isn't Working

If your key fob isn't working, a few easy steps can fix it. First, check to make sure it's not the backup remote.

If the backup can lock and unlock your car key fob repair Near me door, then there's a likely issue with the main remote. The most common causes for car remote key failure are circuitry or battery issues.

Battery

The battery inside the key fob could wear out over time. It is quite simple to replace a battery, although it is crucial to ensure you use the right type and you can consult your owner's manual, or contact the dealer of the manufacturer to find out what kind of battery you require. It is recommended to examine the battery compartment with care because dead batteries can release caustic chemicals that could cause damage to the remote. If changing the batteries doesn't solve the issue it could be because there are other issues that require attention from a professional. If buttons are broken or stuck for instance it could be necessary to remove the remote and rebuild each component. You could also try reprogramming the vehicle to recognize the new device.

Buttons

From repeated use, key fobs may become worn and dirty. This is not unusual, but it can cause buttons to cease working or require a hard press for them to function. This can be a huge hassle particularly if you're out of town and need to start your car. Fortunately, even worn-out or malfunctioning buttons can often be fixed with a bit of time and some of the materials you might already have in the house.

First, ensure that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote and examine the circuit board. Look for signs of corrosion or other signs that the buttons are worn out or damaged, like missing conductive paint. Use a Q-tip dipped into alcohol to gently clean any membrane contact that is damaged or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint, and block the button from firing when you press it.

Check the battery connector's terminals for loose solder connections. Soldering them back in place will allow the button to function again in the event that this is the case. The same procedure can be used to restore function to any loose connections in the fob.

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

If none of this is helpful or if the button doesn't respond to a hard press It could be that the circuit board has become damaged. It is possible to fix this issue by cleaning and re-soldering the button, but you should have another spare in case it doesn't work.

Circuitry

Whether or not the key fob buttons are working the circuit board that is inside your remote may be dirty. A thorough inspection is often enough to resolve this issue. The most frequent causes of dirty circuit boards is water and damaged cases. A damaged case could let water and other debris to enter the circuit board, causing it to short out. Water can also damage pins and vias, which are the tiny connectors found on the board.

If you're skilled enough to open your key fob and don't mind making an mess, you can take the buttons out of their sockets and solder in new ones. Also, it's worth checking the connections between the battery terminals. If they are loose, the buttons could not function or get stuck in their down position. Soldering the terminals back to their proper positions is usually enough to bring a non-working fob to working.

Non-Remote Transponder Chips

Sealed non-remote transponder chip are more durable than remote fobs they are contained in, however they are still susceptible to being cracked by a hole drilled into them or run over by a lawnmowers or door handle for a repair car keys. Most of the time, non-remote transponder chips fail, and this can be attributed to a blown fuse.

If you're not confident opening the key fob, you may remove the circuitboard and use a multimeter to verify that the diode is operating properly. If you're unsure about doing this, go to your local hardware store or Oreilly's and they usually have an RF frequency tester that will determine if the key fob is sending signals.

Programming

Key fobs take lots of abuse and aren't impervious to damage. They can lose their pairing to the receiver in your car due to shock or low battery, requiring the reprogramming. A professional auto locksmith, or a dealer in the main, can reprogram your keyfob and get it up and running again. In the event that resetting and fixing your key fob doesn't work it could be the time to replace it completely.