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How to Fix a Key Fob That isn't Working

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

If your backup remote can lock and unlock the doors of your car, it is likely that the primary remote car key repairs isn't functioning. The most frequent causes of key problems with your car remote are circuitry or battery issues.

Battery

The battery inside the key fob may get worn out over the course of time. It is fairly easy to change out the battery, however it is important to ensure that you choose the correct type that you can refer to your owner's manual, or contact the manufacturer's dealer to determine the type of battery you require. It's also a good idea to inspect the battery compartment with care since dead batteries may release caustic chemicals that could cause damage to the remote. If changing the batteries does not solve the problem it could be that there are other issues that require attention from a professional. If buttons are broken or stuck, for example it might be necessary to remove the remote and rebuild each component. You could also try reprogramming your car to recognize the new key fob.

Buttons

Due to frequent use, key fobs may get dirty and worn. It is not common for buttons to cease functioning, or require a hefty press to make them work. This can be frustrating especially when you're away from your home and have to start your car. Fortunately, even worn-out or damaged buttons can be fixed with a little time and a few materials you have in the house.

First, make sure the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully open up the remote and examine the circuit board. Look for evidence of rust, or other signs the buttons are damaged or worn. For instance there could be conductive paint missing. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that has damaged or where conductive paint is missing. Do not rub too vigorously, as this could erode the conductive paint, and block the button from firing when it is pressed.

Also, carefully check the battery connector terminals for any loose solder connections. If this is the case, reconnecting them can restore function to the button. The same process can be used to restore functionality to any other loose connections inside the fob.

In the end, if any of the buttons made of rubber on the front of the key fob stop working or require a very hard press to work, it is likely that the graphite disks that are on the back of the button are deteriorating and need to be replaced. This is usually done by rubbing a pencil on the disks, which should bring the button back to life.

If none of this is helpful or if the button does not respond to a hard push, then it may be that the circuit board itself is damaged. It is possible to fix this by a quick clean and fob key repair near Me refitting, but it's recommended to have an additional fob available in the event this method fails for you.

Circuitry

The circuit board inside your remote control could be dirty, regardless of whether the buttons on the key fob work or not. A very thorough inspection is usually enough to fix this problem. The most frequent causes of dirty circuit boards is water and damaged cases. A damaged case could allow water and other debris to enter the circuit board, causing it to short out. Water can also damage pins and fob key repair near me connectors that are small on the board, which are known as via's.

If you are handy enough to open your key fob and aren't afraid of making some mess, we can remove the buttons from their sockets and put in new ones. Also, it's worth checking the connections between the battery terminals. They can become extremely dirty and if they're loose, the buttons might not work or even stick in their down position. Soldering terminals and buttons back to their proper positions is usually enough to restore a non-working fob back to working.

Non-Remote transponder chips

The non-remote chips sealed in a sealed case are more durable than remote fobs, but they can be cracked in the event of a hole being drilled in them or in the event that a door handle of a car or lawnmower runs over them. Failures of the fuse are typically to blame for non-remote chips failures.

If you're able to open a sealed non-remote key fob and are able to bear the mess, you can remove the circuit board and test the fuse with a multimeter for proper diode function. If you're not confident doing this, go to your local hardware store or the Oreilly's and they will usually have an RF frequency tester that will determine whether the key fob is transmitting a signal.

Programming

Key fobs are not indestructible and are susceptible to being damaged by a lot of things. They may lose their connection with the receiver inside your vehicle due to shocks or a low-battery, which requires changing the program. A professional auto locksmith, or main dealer can reprogram your key fob key repair near me and get it back up and running again. If resetting or fixing the keyfob is not working it is possible to replace it.