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How to Fix a Key Fob That isn't Working

If your key fob won't work and you're not sure why, you can fix it with a few simple steps. First, check to make sure it's not the backup remote.

If the backup is able to lock and unlock your car doors, mobile car key repair near me then there's a likely issue with the primary remote key repair. The most common causes of key malfunctions for car key button repair remotes are issues with the circuitry or battery.

Battery

The battery inside the key fob may get worn out over the course of time. It is fairly easy to replace batteries, but it is crucial to ensure that you choose the correct type and you can consult the owner's manual or talk to the dealer of the manufacturer to find out the kind of battery you require. It is also essential to check the battery compartment as dead batteries can leak caustic chemicals that can harm the remote control car key repairs. If changing the batteries doesn't solve the problem it could be because there are other issues that require attention from a professional. For instance, if buttons seem to be stuck or damaged It may be necessary to disassemble the remote and rework its parts. You can also try reprogramming the vehicle to recognize the new remote.

Buttons

From frequent use, key fobs could become worn and dirty. This is not atypical, but it can cause buttons to cease working or require a very long press to function. This can be very frustrating especially if you're away from home and need to start your vehicle. Fortunately, even worn out or damaged buttons can be fixed with a bit of time and a few materials you have in the house.

First, check that the batteries are correctly placed and that the indentation at 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 or damaged, like missing the conductive paint. Utilizing a Q-tip that has been dipped in rubbing alcohol, gently clean any membrane contacts that have damaged or have conductive paint missing. Do not rub too vigorously as this can damage the conductive paint and prevent the button from firing when it is pressed.

Also, carefully check the battery connector's terminals for any loose solder connections. Soldering them back in place can restore the button's functionality If this is the situation. The same process can be used to restore functionality to any other loose connections inside the fob.

Finally, if any of the rubber buttons on the front of the key fob aren't functioning or require a long press to function it is likely the graphite disks at the back of the button are wearing down and require replacement. This can be done by rubbing a pencil on the disks. This should bring the button back to its original state.

If none of this is helpful or if the button still does not respond to a hard press It could be because the circuit board itself is damaged. It is possible to fix this issue by cleaning and re-soldering the fob however, you should have an extra in case it does not work.

Circuitry

The circuit board in the remote control could be dirty, regardless of whether the buttons on the key fob are working or not. A thorough examination will usually resolve this issue. The most common causes of dirty circuit boards are water and damaged cases. A damaged case allows water and other debris to get in and short out the electronics. Water can also damage pins and small 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 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 may not work or even become stuck in their down position. Soldering the terminals and buttons 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 that have them but they can still be damaged by a hole that is drilled into them or run over by a lawnmowers blade or door handle for a repair car key. Failures of the fuse are typically the cause of non-remote chip failures.

If you're able to open up the sealed key fob and are able to bear the mess, you can remove the circuit board and test the fuse with a multimeter to ensure that it is functioning as intended. function. If you're not confident 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 aren't indestructible and can be damaged by a variety of factors. They can lose their pairing with the receiver inside your vehicle because of shocks or a low battery, which calls for changing the program. A professional auto locksmith or main dealer can reprogram your key fob to get it functioning again. In the rarer case that resetting and fixing your key fob fails it may be time to replace it all over again.