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How to Fix a Key Fob That isn't Working

If your key fob doesn't work, a few easy steps can fix it. First, make sure that it's not your backup remote.

If the backup remote is able to lock and unlock your car door, then there's a likely issue with the main remote. The most common causes of car remote key failure are battery or circuitry issues.

Battery

The battery inside a key fob can get worn out over the course of time. It is relatively easy to change out batteries, but it is crucial to ensure that you use the right type that you can refer to the owner's manual or talk to the manufacturer's dealer to determine the type of battery you need. It is also crucial to check the battery compartment, as batteries that are not working properly can release caustic chemicals that can harm the remote. If replacing the battery does not solve the issue there could be other issues requiring professional attention. If the buttons are broken or stuck for Broken car key repair near me instance it might be necessary to remove the remote and rebuild each component. It is also possible to reprogramme the vehicle to recognize the new remote.

Buttons

Key fobs can get filthy and worn out due to repeated use. It is not common to have buttons stop functioning, or require a hefty press to get them working. This can be very frustrating, especially when you are away from your home and have to turn on your car. Even worn-out or malfunctioning buttons are often fixable with a little time and tools you already have at home.

First, check that the batteries are properly charged and that the indentation on the back of the button is filled. Then, carefully open the remote and inspect 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 rubbing alcohol to gently clean any membrane contact that has worn out or where conductive painting is missing. Avoid rubbing too hard since this could cause damage to the conductive painting and prevent the button from firing when pressed.

Also, carefully check the battery connector's terminals to ensure any loose solder connections. Soldering them back into place can restore the button's functionality If this is the situation. You can follow the same method to restore functionality to any other loose connection within the fob.

If any of the rubber buttons at the front of the keyfob aren't functioning or require to be press very hard the graphite disks on the back of the button might have worn out and will need to replaced. You can do this by rubbing a pencil over the disks. This will bring the button back to life.

If all of this doesn't help or if the button still does not respond to a firm press, then it may be the case that the circuit board itself has become damaged. It is possible to fix this by cleaning and re-soldering your fob, but you should have another spare in case it doesn't work.

Circuitry

Whether or not the key fob buttons function the circuit board in your remote may be dirty. The issue can be solved by a thorough inspection. Water and broken cases are the most common causes of boards that are dirty. A broken car key repair Near me case can let water and other debris into the circuit board, causing it to short. Water can also destroy pins and small connectors on the board, referred to as via's.

If you're handy enough to open up your key fob and don't mind some mess, we can remove the solder from the buttons and solder new ones in their place. It's also worth examining the battery terminal connections. If they are loose, the buttons could not function or get stuck in their down position. Soldering the terminals and button's back into place is typically all it takes to restore a non-working key fob to working order.

Non-Remote Transponder Chips

The sealed non-remote chips are more durable than remote fobs. However, they can be cracked in the event of a hole being drilled in them or if a car door handle or lawnmower runs over them. Fuse failures are usually to blame for non-remote chips failures.

If you're handy enough to open up the sealed key fob and are willing to put up with the mess, you can take off the circuit board and examine the fuse using a multimeter for proper diode function. If you're not sure with this, you can go to your local Oreilly or hardware store and utilize their RF frequency tester. This will tell you whether the key fob transmits signals.

Programming

key repair shops near me fobs are subject to lots of abuse and aren't impervious to damage. They can break their connection with the receiver in your vehicle due to shocks or low-battery, which requires the reprogramming. A professional auto locksmith, or a dealer in the main can reprogram your keyfob and get it functioning again. In the event that resetting or repairing your key fob fails it may be time to replace it entirely.