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How to Fix a Key Fob That isn't Working

If your car key remote repair near me fob isn't working, a few easy steps can be taken to fix it. The first step is to make sure that it's not the backup remote.

If your backup remote is unable to unlock and lock the doors of your vehicle, it is most likely that the primary remote is not working. Most problems with car remote key repair near me remote keys result from circuitry or battery problems.

Battery

The battery inside the key fob may get worn out over the course of time. It is simple to replace a battery. However, it is important to select the right kind. You can refer to your owner's manual or call the manufacturer to inquire about the right type. It is also essential to examine the battery compartment as batteries that are not working properly can release caustic chemicals which can damage the remote. If changing the batteries does not solve the issue, it may be that there are other issues that require attention from a professional. For instance, if the buttons seem to be stuck or broken, it may be necessary to take the remote apart and rework its parts. You can also try reprogramming the vehicle to recognize the new key fob.

Buttons

Key fobs can become dirty and worn-out from frequent use. It is not common to have buttons stop working, or to require a long press to get them working. This can be extremely frustrating, especially if you are away from home and need to start your vehicle. Even malfunctioning or worn-out buttons are often fixable with a bit of time and materials you already have at home.

First, ensure that the batteries are properly charged and that the indentation on the back of the button is filled. Open the remote carefully and inspect the circuit board. Look for signs of corrosion or other signs that the buttons are worn or damaged, such as missing conductive paint. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that is worn out or has conductive paint missing. Be careful not to rub too hard, since this could cause damage to the conductive paint and stop the button firing when the button is pressed.

Check the battery connector terminals for loose solder connections. Soldering them back to their original position will restore the button's functionality if this is the case. The same process can be used to restore function to any other loose connections in the fob.

If, for instance, any of the buttons made of rubber on the front of the key fob have stopped working or require a difficult press to function it is likely that the graphite disks on the back of the button are wearing out and require replacement. It is usually done by rubbing a pen over the disks. This will bring the button back to life.

If none of this is helpful or if the button does not respond to a firm press, then it may be because the circuit board is damaged. It is possible to fix this by a quick clean, and re-soldering, but it is best to have an extra fob available in the event this method does not work for you.

Circuitry

If the keys fob buttons are functioning the circuit board that is inside your remote might be dirty. A very thorough inspection is often enough to resolve this problem. The most common causes of dirty circuit boards are water and damaged cases. A broken case can let water and other debris to get into the circuit board, causing it to short out. Water can also damage pins and connectors on the board, referred to as via's.

If you're handy enough to open your key fob and aren't afraid of making a mess, we can take off the buttons and put new ones in their place. It's also worth examining the battery terminal connections. They can become very filthy and if they're not tight enough, the buttons may not work or even stick in their down position. Soldering the terminals, and putting the button back into place is typically all that's required to return keys that are not in working order.

Non-Remote transponder chips

The sealed non-remote chips are more durable than their remote fobs, however they can be cracked in the event of a hole being drilled into them or in the event that a door handle of a car key fob repair near me or lawnmowers plows over them. Most of the time, non-remote transponder chip malfunctions can be attributed to a blown fuse.

If you're not comfortable opening the key fob repairs near me fob, take the circuit board off and use a multimeter to determine if the diode is functioning properly. If you're unsure about doing this, head to your local hardware store or Oreilly's, and they'll usually have an RF frequency tester that will tell you whether the key fob key repair sending a signal.

Programming

Key fobs aren't indestructible and are susceptible to damage by a lot of things. They can break their connection with the receiver inside your vehicle due to shocks or a low battery, which calls for reprogramming. A professional auto locksmith or main dealer can reprogram your key fob to get it functioning again. In the event that resetting and repairing your key fob fails it could be the time to replace it all over again.