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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 your backup remote.

If your backup remote is unable to lock and unlock the doors of your car key fob repair, it is likely that the main remote isn't working. The most common causes of mobile car key repair car key remote near me; click through the following website page, remote key repair shops near me failure are issues with the circuitry or battery.

Battery

It is not unusual for the battery inside a key fob for cars to get worn out. It is easy to replace the battery. However, it is important that you use the correct type. You can check your owner's manual or call the manufacturer to inquire about the right type. It is also crucial to inspect the battery compartment as dead batteries can leak caustic chemicals which can damage the remote. If replacing the battery does not solve the issue there may be additional issues requiring professional attention. If the buttons are stuck or broken, for example, it may be necessary remove the remote and rebuild each component. You can also try reprogramming the vehicle to recognize the new device.

Buttons

From frequent use, key fobs may become worn and dirty. This is not atypical, but it can cause buttons to stop working or require a very hard press for them to function. This can be very frustrating especially when you're away from your home and need to turn on your car. Even malfunctioning or worn-out buttons are often fixable with a little time and materials you already have at home.

First, make sure the batteries are up correctly and that the indentation on the back of the button is filled. Then, carefully open up the remote and look at the circuit board. Examine for indications of rust or other signs the buttons have been damaged or worn out. For instance there could be conductive paint missing. Utilizing the Q-tip, dipped in alcohol, gently clean any membrane contacts that are worn or have conductive paint missing. Do not rub too vigorously in order to damage the conductive paint and prevent the button from firing when it is pressed.

Also, make sure to inspect the battery connector's terminals for a loose solder connection. Soldering them back in place can restore the button's functionality if this is the situation. The same method can be used to restore functionality to any other loose connections within the fob.

Finally, if any of the buttons made of rubber that are on the front of the key fob have stopped functioning or require a long press to function it is likely the graphite disks that are on the back of the button are wearing out and require replacement. It is usually done by rubbing a pen over the disks. This should bring the button back to life.

If none of this is helpful, or if the button does not respond to a hard push, then it may be the case that the circuit board has gone bad. This can sometimes be repaired by a quick clean and refitting, but it's best to have an extra fob in case this method does not work for you.

Circuitry

Whether or not the key fob buttons function the circuit board in your remote may be dirty. This issue can be fixed by a thorough inspection. Water and broken cases are the most common causes of boards that are dirty. A damaged case allows water and other debris to pass through and short out the electronics. Water can also eat through pins and vias, which are the tiny connectors on the board.

If you're handy enough to open up your key fob and aren't afraid of a little 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. They can get very dirty and if they're loose, the buttons may not work or even stick in their down position. Soldering the terminals and button's back in place is usually all that's needed to return keys that are not in working order.

Non-Remote Transponder Chips

Sealed non-remote transponder chips are more durable than remote fobs that have them but they can be damaged by a hole that is made in them or pushed over by a lawnmowers blade or car door handle. Fuse failures are usually to blame for non-remote chip failures.

If you're able to open up the sealed key fob and are able to bear the mess, you can remove the circuit board and test the fuse using a multimeter for proper diode function. If you don't feel comfortable with this, go to your local Oreilly or hardware store and use their RF frequency tester. This will let you know whether the key repairs near me fob sends an RF signal.

Programming

Key fobs aren't impervious to destruction and can be damaged through a variety of causes. They can break their connection with the receiver inside your vehicle due to shocks or low battery, requiring the reprogramming. A professional auto locksmith or main dealer will be able to reprogram your key fob and get it back up and running. If, in the unlikely event that resetting and repairing your key fob doesn't work, it could be time to replace it completely.