How to Fix a Key Fob That isn't Working

If your key fob isn't working There are a few simple steps that 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 lock and unlock the doors of your car, it is likely that the main remote isn't functioning. The most common causes for key problems with your car remote are battery or circuitry issues.

Battery

The battery inside the key fob could be worn out over time. It is easy to replace the battery. However, it is important to select the right type. You can check the owner's manual or contact the manufacturer to find out the correct type. It is also a good idea to inspect the battery compartment thoroughly, as dead batteries sometimes release caustic chemicals that could cause damage to the remote. If replacing the batteries doesn't solve the problem it could be because there are other issues that require attention from a professional. For example, if buttons appear stuck or damaged, it may be necessary to disassemble the remote and rebuild its components. You can also try reprogramming the vehicle to recognize the new remote.

Buttons

Key fobs may become filthy and worn out due to frequent use. It is not unusual for buttons to cease working, or to require a hard press to make them work. This can be very frustrating especially when you're away from home and you need to turn on your car. Fortunately, even worn-out or broken buttons can usually be fixed with just a bit of time and a few items you have in the home.

First, make sure that the batteries are properly placed and that the indentation on the back of the button is filled. Then, carefully open the remote and examine the circuit board. Check for signs of corrosion or other indications that buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip, dipped in rubbing alcohol to gently clean any membrane contact that has become damaged or where conductive painting is missing. Don't rub too hard, as this could erode the conductive paint and prevent the button from firing when it is pressed.

Also, make sure to inspect the battery connector's terminals for an unattached solder connection. Soldering them back to their original position can restore the button's functionality If this is the case. You can use the same procedure to restore functionality to any other loose connection within the fob.

Finally, if any of the buttons made of rubber on the front of the key fob have stopped working or Repair Keys Near Me require a very hard press to work it is likely the graphite disks at the back of the button are deteriorating and require replacement. It is usually done by rubbing a pen over the disks. This should bring the button to life.

If all of this doesn't help, or if the button still does not respond to a hard press, then it may be the case that the circuit board itself has gone bad. This can sometimes be repaired with a quick clean and replacing the solder, but it is recommended to have an additional fob in case this method doesn't work for you.

Circuitry

The circuit board in the remote control could be dirty regardless of whether the buttons on the key fob are working or not. The issue can be solved through a thorough examination. The most common causes for dirty circuit boards are water and broken cases. A damaged case can allow water and other debris to enter and short circuit the electronics. Water can also damage pins and repair Keys near me connectors that are small on the board, which are known as via's.

If you're handy enough to open up your key fob repair service fob and aren't afraid of some mess, we can take off the buttons and then solder new ones in their place. Also, you should check the connections between battery terminals. They can become extremely dirty and if they're loose, the buttons might not function or may even remain in their down position. Soldering terminals and buttons back to their original positions is often enough to return a malfunctioning fob back to working.

Non-Remote transponder chips

Sealed non-remote transponder chips are much more durable than the remote fobs that have them however they are still susceptible to being cracked by a hole that is drilled into them or over by a lawnmowers or car door handle. Fuse failures are usually to blame for non-remote chip failures.

If you're handy enough to remove the sealed key fob repair service fob and can tolerate the mess, you can remove the circuit board and examine the fuse with a multimeter for proper diode function. If you're not comfortable doing this, go to your local hardware store or Oreilly's, and they usually have an RF frequency tester that will tell you whether the key fob is sending a signal.

Programming

Key fobs endure lots of abuse and aren't indestructible. They may lose their connection with the receiver inside your vehicle due to shocks or a low battery, requiring reprogramming. A professional auto locksmith, or a dealer in the main, can reprogram your keyfob to get it functioning again. If resetting or repairing your key fob fails, you may need to replace it.