9 Things Your Parents Taught You About Remote Key Repair
How to Fix a repair key fob Fob That isn't Working
If your key fob doesn't work There are a few simple steps that can fix it. First, check to make sure it's not your backup remote.
If your backup remote is unable to lock and unlock the doors of your vehicle, it is most likely that the primary remote is not working. Most repair car key remote remote key repair car key fob [check over here] failures are caused by battery or circuitry problems.
Battery
It is not unusual to find a battery on the emergency car key repair key fob to degrade. It is quite simple to replace batteries, but it is important to make sure that you use the right type; you can look in the owner's manual or talk to the dealer of the manufacturer to determine the type of battery you require. It's also a good idea to examine the battery compartment thoroughly, as dead batteries sometimes leak caustic chemicals that can harm 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 example, if buttons appear 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 device.
Buttons
Key fobs can get filthy and worn out due to frequent use. This is not atypical however, it can cause buttons to stop working or require a very long press to function. This can be frustrating particularly when you're away from your home and need to start your car key button repair. Even broken or damaged buttons are often fixable with a little effort and the tools 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. Then, carefully remove the remote and examine the circuit board. Look for indications of rust or other indications that the buttons have been damaged or worn out. For instance there could be conductive paint missing. Use a Q-tip dipped into rubbing alcohol to gently clean any membrane contact that is damaged or has conductive paint 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 terminals carefully for any loose solder connections. If this is the case, simply soldering them back in place could restore functionality to the button. The same process can be used to restore function to any loose connections in the fob.
Finally, if any of the buttons made of rubber on the front of the key fob stop working or require a very hard press to work it is likely that the graphite disks on the back of the button are deteriorating and require replacement. You can usually do this by rubbing a pen over the disks. This should bring the button to life.
If none of these solutions work or you are unable to get the button to respond when you press it hard, it could be that the circuitry is failing. It is possible to fix this by a quick clean and replacing the solder, but it is recommended to have an additional fob available in the event this method fails for you.
Circuitry
If the keys fob buttons are functioning the circuit board that is inside your remote might be dirty. The issue can be solved by a thorough inspection. The most common causes for dirty circuit boards is water and damaged cases. A damaged case can allow water and other debris to pass through and short out the electronics. Water can also eat away at pins and connectors that are small on the board, referred to as via's.
If you're handy enough to open up your key fob and don't mind a little mess, we can take off the buttons and then solder new ones in their place. It's also worth checking the connections between the battery terminals. If they are loose, the buttons could not work or even become stuck in their down position. Soldering the terminals and buttons into place is usually enough to bring a non-working fob back to working.
Non-Remote transponder chips
Sealed non-remote transponder chips are more durable than the remote fobs that have them but they can be damaged by a hole that is made in them or pushed over by a lawnmowers or door handle for a car. Failures of the fuse are typically to blame for non-remote chips failures.
If you are not comfortable opening the key fob, you can remove the circuitboard and utilize a multimeter to check that the diode is working correctly. If you're not confident doing this, head to your local hardware store or Oreilly's, and they'll usually have a RF frequency tester that will let you know whether the key fob is sending a signal.
Programming
Key fobs take lots of abuse and aren't indestructible. They may lose their connection with the receiver in your vehicle due to shocks or low-battery, which requires changing the program. A professional auto locksmith, or the main dealer, can reprogram your key fob and get it back functioning again. If resetting or fixing your key fob fails, you may need to replace it.