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How to Fix a Key Fob That isn't Working

If your key fob doesn't work There are a few simple steps that can fix it. First, ensure that it's not the backup remote.

If the backup is able to lock and unlock your car Key fob repair near me doors then there's a likely issue with the primary remote. Most problems with car remote keys result from circuitry or battery problems.

Battery

The battery in the key fob may wear out over time. It is simple to replace the battery. However it is essential to select the right kind. You can consult your owner's guide or contact the manufacturer to find out the correct type. It is also crucial to examine the battery compartment as batteries that are not working properly can release toxic chemicals that could damage the remote. If changing the battery doesn't solve the issue, Car Key Fob Repair Near Me there may be other issues requiring professional attention. For instance, if the buttons seem to be stuck or broken, it may be necessary to disassemble the remote and rework its parts. You could also try reprogramming your car to recognize the new key fob.

Buttons

From repeated use, key fobs can wear out and become dirty. It is not uncommon for buttons to cease functioning, or require a hard push to make them work. This can be frustrating, especially when you are away from your home and need to turn on your car. Even broken or damaged buttons can be fixed with a little effort and tools you already have at home.

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

Also, be sure to check the battery connector's terminals to ensure a loose solder connection. If this is the case, simply reconnecting them can restore function to the button. You can follow the same method to restore functionality to any other loose connection within the fob.

If, for instance, any of the buttons made of rubber that are on the front of the key fob aren't working or require a very hard press to work it is likely that the graphite disks at the back of the button are wearing out and need to be replaced. This can usually be done by rubbing a pencil on the disks. This 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. This can sometimes be repaired by a quick clean, and replacing the solder, but it is recommended to have an additional fob in case this method does not work for you.

Circuitry

The circuit board of the remote control could be dirty regardless of whether the buttons on the key fob are working or not. This issue can be fixed through a thorough examination. The most common causes for dirty circuit boards are water and damaged cases. A damaged case allows water and other debris to pass through and short out the electronic components. Water can also destroy pins and small connectors on the board, which are known as via's.

If you're handy enough to open up your key fob and don't mind a little mess, we can take off the buttons and put new ones in their place. Also, you should check the connections between the battery terminals. They can become very dirty and if they're loose, the buttons might not work or even stick in their down position. Soldering the terminals, and putting the button back into place is typically all it takes to restore keys that are not in functioning condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are more durable than remote fobs they are contained in, but they can be cracked by a hole that is drilled into them or over by a lawnmowers blade or car keys repairs near me door handle. Most of the time non-remote transponder chip failures could be attributed to a blown fuse.

If you're not confident opening the key fob, you can take the circuit board off and use a multimeter to determine if the diode is working correctly. If you're not comfortable doing this, head to your local hardware store or Oreilly's and they will usually have a RFID frequency tester that can let you know whether the key fob is sending a signal.

Programming

Key fobs are subject to lots of abuse and aren't completely indestructible. They can break their connection with the receiver in your vehicle because of shocks or a low-battery, which requires the reprogramming. A professional auto locksmith or main dealer can reprogram the keyfob to get it working again. In the rarer case that resetting and fixing your key fob fails, it could be time to replace it completely.