A Provocative Remark About Remote Key Repair

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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 be taken to fix it. First, check to make sure it's not your backup remote.

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

Battery

The battery inside the key fob could be worn out over time. It is fairly easy to replace the battery, however it is crucial to ensure you select the correct one and you can consult your owner's manual, or contact the dealer for the manufacturer to find out the kind of battery you require. It is also a good idea to examine the battery compartment thoroughly because dead batteries can leak caustic chemicals that can cause damage to the remote. If replacing the battery does not solve the issue, there may be other issues that require attention from a professional. For example, if buttons seem to be stuck or damaged it could be necessary to take the remote apart and rework its components. You can also try reprogramming your car to recognize the new key fob.

Buttons

Key fobs can get filthy and worn out due to frequent use. It is not uncommon for buttons to cease working, or to require a long press to get them working. This can be frustrating, especially when you are away from your home and you need to start your car. Fortunately, even worn out or damaged buttons can be fixed with a bit of time and a few items you might already have in the house.

First, make sure the batteries are properly charged and that the indentation on the back of the button is filled. Take the remote apart and examine the circuit board. Check for signs of corrosion or other signs that the buttons are worn or damaged, such as missing the conductive paint. Use the Q-tip, dipped in alcohol to gently clean any membrane contacts that are damaged or where to repair car key remote conductive paint is missing. Avoid rubbing too hard, because this could damage the conductive painting and prevent the button firing when the button is pressed.

Also, be sure to check the battery connector terminals for a loose solder connection. If this is the case, soldering them back in place can restore functionality to the button. The same process can be used to restore functionality to any other loose connections in 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 that are on the back of the button are deteriorating and need to be replaced. It is usually done by rubbing a pen over the disks. This will bring the button back to life.

If none of this is useful, or if the button 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 issue by cleaning and re-soldering your fob but you should also have an extra in case it doesn't work.

Circuitry

If the key fob buttons are working, the circuit board inside your remote might be dirty. A thorough inspection is usually enough to fix this problem. Broken cases and water are the most common causes of dirty boards. A broken case can let water and other debris into the circuit board, causing it to short out. Water can also damage pins and connectors on the board, which are known as via's.

If you're able to remove your key fob, and you're not afraid of making a mess, we can take off the buttons and solder new ones in their place. It's also worth examining the battery terminal connections. If they're loose, the buttons may not work or even become stuck in their down position. Soldering the terminals back into place is usually enough to bring a non-working fob to working.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are more durable than remote fobs they are contained in, however they are still susceptible to being cracked by a hole made in them or pushed over by a lawnmowers or door handle for a car. Fuse failures are usually to blame for non-remote chip failures.

If you're not comfortable opening the key fob, you may remove the circuitboard and utilize a multimeter to check that the diode is operating properly. If you're not sure with this, go to your local Oreilly or hardware store and utilize their RF frequency tester. This will let you know whether the key fob sends a signal.

Programming

Key fobs endure many abuses and aren't impervious to damage. They can lose their pairing to the repair car key fob's receiver due to shock or low battery, requiring them to be reprogrammed. A professional auto locksmith or main dealer will be able to reprogram your key fob and get it working again. In the event that resetting or repairing your key fob doesn't work, it could be time to replace it entirely.