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12 Facts About Remote Key Repair To Inspire You To Look More Discerning Around The Cooler Water Cooler
How to Fix a Key Fob That isn't Working

If your key fob doesn't work, a few easy steps can be taken to fix it. The first step is to be sure that it's not the backup remote.

If your backup remote is unable to lock and unlock the doors of your car, it is likely that the main remote isn't working. Most problems with car remote keys result from battery or circuitry problems.

Battery

It is not uncommon for the battery in a key fob for cars to wear out. It is quite simple to replace batteries, but it is essential to make sure that you select the correct one; you can look in your owner's manual or contact the manufacturer's dealer to find out the kind of battery you need. It is also essential to examine the battery compartment as dead batteries can leak caustic chemicals that can harm the remote. If replacing the batteries doesn't solve the issue it could be because there are other issues that require attention by a professional. For example, if buttons appear stuck or damaged, it may be necessary to take the remote apart and rebuild its components. Highly recommended Resource site could also try reprogramming the vehicle to recognize the new key fob.

Buttons

Key fobs can become filthy and worn out due to frequent use. It is not uncommon for buttons to stop functioning, or require a long press to make them work. This can be frustrating, especially when you are away from home and you need to turn on your car. Even malfunctioning or worn-out buttons are often fixable with a little effort and the tools you already have at home.

First, verify that the batteries are correctly installed and that the indentation on the back of the button has been filled. Open the remote carefully and examine the circuit board. Look for indications of rust or other indications that the buttons have been worn or damaged. For instance there could be conductive paint missing. Use a Q-tip dipped into alcohol to gently clean any membrane contact that is worn out or has conductive paint missing. Don't rub too hard in order to damage the conductive paint and stop the button from firing when pressed.

Also, make sure to inspect the battery connector's terminals for an unattached solder connection. If this is the case, reconnecting them can restore function to the button. You can apply the same procedure to restore functionality to any other loose connection inside the fob.


If any of the rubber buttons at the front of the keyfob aren't working or require being pressed very hard, the graphite disks at the back of the button could have worn out and will need to replaced. This can usually be done by rubbing a pencil on the disks. This should bring the button back to its original state.

If none of these solutions work or you not be able to get the button respond when pressed hard, it could be that the circuitry has failed. It is possible to fix this by a quick clean, and refitting, but it's recommended to have an additional fob on hand in the event that this method does not work for you.

Circuitry

The circuit board inside your remote control may be dirty, regardless of whether the buttons on the key fob are working or not. The issue can be solved by a thorough inspection. Water and broken cases are the most frequent causes of boards that are dirty. A broken case allows water and other debris to pass through and short out the electronic components. Water can also damage pins and connectors on the board, which are known as via's.

If you're handy enough to remove your key fob and don't mind a little mess, we can take off the buttons and solder new ones in their place. It's also worth examining the battery terminal connections. They can become extremely dirty and if they're loose the buttons might not work or even stick in their down position. Soldering the terminals and button's back in place is usually all that's needed to return a non-working key fob to functioning condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are much more durable than remote fobs that contain them however they are still susceptible to being cracked by a hole made in them or pushed over by a lawnmower or door handle for a car. The majority of non-remote transponder chips fail, and this could be attributed to a blown fuse.

If you're not confident opening the key fob, take the circuit board off and use a multimeter to verify that the diode is functioning correctly. If you're not sure with this, visit your local Oreilly or hardware store and test their RF frequency tester. This will let you know whether the key fob transmits signals.

Programming

Key fobs take a lot of abuse and aren't indestructible. They can lose their pairing with the receiver in your vehicle due to shocks or low battery, which calls for reprogramming. A professional auto locksmith, or main dealer can reprogram the keyfob and get it working again. In the rarer case that resetting or repairing your key fob doesn't work, it could be time to replace it all over again.

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