How to Fix a mobile key repair near me Fob That isn't Working

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

If the backup is able to lock and unlock your car door, then there's a likely issue with the main remote. Most car remote key failures result from battery or circuitry problems.

Battery

It is not uncommon for the battery inside a car key fob to degrade. It is simple to replace batteries. However it is essential that you choose the right type. You can consult your owner's guide or contact the manufacturer to find out the right type. It is also important to examine the battery compartment, as batteries that are not working properly can release toxic chemicals that could damage the remote. If changing the batteries doesn't solve the problem it could be that there are other issues that require attention by a professional. If buttons are stuck or broken, for example it might be necessary to disassemble the remote and rework each component. You could also try reprogramming the vehicle to recognize the new fob.

Buttons

Through repeated use, key fobs may become worn and dirty. This is not unusual however it can cause buttons to stop working or require a long press to function. This can be very frustrating especially when you're away from your home and have to start your emergency car key repair. Fortunately, even worn out or damaged buttons can be fixed with just a bit of time and a few materials you have in the house.

First, verify that the batteries are correctly inserted and that the indentation at the back of the button has been filled. Then, open the remote key fob repair with care and inspect the circuit board. Examine for signs of rust or other indications that the buttons are worn out or damaged, like missing paint that is conductive. Use a Q-tip, dipped in alcohol to gently clean any membrane contact that has damaged or where conductive paint is missing. Don't rub too hard, as this could erode the conductive paint and stop the button from firing when you press it.

Check the battery connector's terminals carefully for any loose solder connections. If this is the case, connecting them back could restore functionality to the button. The same procedure can be used to restore function to any loose connections inside the fob.

In the end, if any of the buttons made of rubber on the front of the key fob aren't working or require a hard press to work it is likely that the graphite disks at the back of the button are wearing out and need to be replaced. This is usually done by rubbing a pencil over the disks. This should bring the button back to working.

If none of these solutions work or you are unable to get the button to respond when you press it hard, it is possible that the circuitry is failing. This can be fixed by a quick clean, and replacing the solder, but it is best to have an extra fob in case this method does not work for you.

Circuitry

The circuit board in the remote Key Repair control could be dirty, regardless of whether the buttons on the key fob are working or not. A very thorough inspection will usually resolve this issue. Broken and damaged cases are the most common causes of boards that are dirty. A damaged case allows water and other debris to pass through and short circuit the electronic components. Water can also eat through pins and vias, which are tiny connectors found on the board.

If you are handy enough to open your key fob and don't mind making an mess, you can remove the buttons from their sockets and put in new ones. It's also worth checking the connections between battery terminals. They can become extremely dirty and if they're loose the buttons may not work or even stick in their down position. Soldering terminals and buttons back to their proper positions is usually enough to restore a non-working fob to working.

Non-Remote Transponder Chips

The non-remote chips sealed in a sealed case are more durable than their remote fobs, however they can be cracked in the event of a hole being drilled in them, or if a car door handle or lawnmowers is pushed over them. Most of the time, non-remote transponder chip failures can be blamed on an exploded fuse.

If you are not comfortable opening the key fob, you may take the circuit board off and use a multimeter to determine if the diode is operating correctly. If you're not comfortable with this, visit your local Oreilly or hardware store and use their RF frequency tester. This will let you know whether the key fob is sending an RF signal.

Programming

Key fobs aren't indestructible and can be damaged through a variety of causes. They may lose their connection with the receiver inside your vehicle because of shocks or a low battery, requiring changing the program. A professional auto locksmith or dealer can reprogram your key lock repair near me fob to get it back up and running. In the rarer case that resetting and repairing your key fob fails it may be time to replace it completely.