9 Lessons Your Parents Taught You About Remote Key Repair

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

If your key fob isn't functioning, a few easy steps can fix it. First, ensure that it's not the backup remote key repairs.

If your backup remote is unable to unlock and lock the doors of your vehicle, it is likely that the primary remote isn't functioning. The most frequent causes of key problems with your car key repair service remote are battery or circuitry issues.

Battery

It is not unusual to find a battery on the car key fob repair key fob to wear out. It is quite simple to change out a battery, although it is important to ensure that you select the correct one and you can consult the owner's manual or talk to the dealer for the manufacturer to determine the type of battery you need. It is also important to check the battery compartment, as batteries that are not working properly can release toxic chemicals that could damage the remote. If changing the battery doesn't fix the issue there could be other issues that require attention from a professional. For instance, if buttons seem to be stuck or broken, it may be necessary to disassemble the remote and rework its parts. You can also try reprogramming your vehicle to recognize the new key fob.

Buttons

key Repair fobs may become filthy and worn out due to repeated use. This is not unusual however, it can cause buttons to stop working or require a long press to work. This can be a huge hassle particularly if you're away from home and need to start your vehicle. Even worn-out or malfunctioning buttons are often fixable with a bit of time and tools you already have at home.

First, make sure that the batteries are correctly installed and that the indentation at the back of the button is filled. Take the remote apart and inspect the circuit board. Look for evidence of rust, or other indications that the buttons have been damaged or worn. For instance the paint that conducts electricity could be missing. Utilizing the Q-tip, dipped in alcohol to gently clean any membrane contacts that have become damaged or have conductive paint missing. Be careful not to rub too hard, as this can erode the conductive painting and prevent the button from firing when it is the button is pressed.

Examine the battery connector's terminals for loose solder connections. If this is the case, connecting them back may restore function to the button. The same procedure can be used to restore function to any loose connections within the fob.

If any of the rubber buttons on the front of the keyfob isn't working or require being press very hard the graphite disks at the back of the button could have worn out and require replacement. You can do this by rubbing a pencil over the disks. This should bring the button to life.

If none of these solutions work or you cannot get the button to respond when pressed hard, it could be that the circuitry is failing. It is possible to fix this by cleaning and re-soldering the fob but you should also have another spare in case it doesn't work.

Circuitry

If the key fob buttons are working, the circuit board inside your remote may be dirty. A thorough examination will usually resolve this problem. The most common causes of dirty circuit boards are water and damaged cases. A damaged case can let water and other debris to enter the circuit board, which can cause it to short. Water can also damage pins and vias, which are small connectors found on the board.

If you're able to open your key fob and don't mind making a mess, we can de-solder the buttons and put new ones in their place. It's also worth looking at the battery terminal connections. If they're loose, the buttons may not work or even become stuck in their down position. Soldering the terminals, and putting the button back into place is typically all that's needed to return a non-working key fob to working condition.

Non-Remote transponder chips

Sealed non-remote transponder chips are more durable than remote fobs that contain them but they can still be damaged by a hole that is drilled into them or run over by a lawnmower or door handle for a car keys repair. The majority of non-remote transponder chip failures could be attributed to an exploded fuse.

If you're handy enough to open up the sealed key fob and can tolerate the mess, you can take off the circuit board and test the fuse using a multimeter for proper diode function. If you're not confident 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 is transmitting a signal.

Programming

Key fobs are not indestructible and are susceptible to damage by a lot of things. They can lose their pairing with the receiver in your vehicle because of shocks or a low battery, requiring reprogramming. A professional auto locksmith or dealer can reprogram your key fob to get it working again. If resetting or replacing your key fob fails, you may need to replace it.