10 Quick Tips About Remote Key Repair
How to Fix a Key Fob That isn't Working
If your key fob doesn't work There are a few simple steps that can fix it. The first step is to be sure it's not the backup remote.
If your backup remote is unable to lock and unlock the doors of your car, it is most likely that the primary remote isn't functioning. The most common causes for key malfunctions for car remotes are issues with the circuitry or battery.
Battery
It is not uncommon for the battery in the car key fob to degrade. It is easy to replace the battery. However it is essential to select the right kind. You can check your owner's guide or contact the manufacturer to find out the correct type. It is also important to examine the battery compartment, as batteries that are not working properly can release caustic chemicals which can damage the remote. If changing the batteries does not solve the problem, it may be that there are other issues that require professional attention. If the buttons are stuck or broken for instance it might be necessary to remove the remote and rebuild each component. It is also possible to reprogramme the vehicle to recognize the new remote.
Buttons
Due to repeated use, key fobs can become worn and dirty. It is not uncommon to have buttons stop working, or to require a long push to make them work. This can be very frustrating, especially if you are away from home and you need to start your car. Fortunately, even worn out or damaged buttons can be fixed with a bit of time and a few items you may already have around the home.
First, make sure that the batteries have been correctly inserted and that the indentation on the back of the button has been filled. Then, carefully open the remote and inspect the circuit board. Check for signs of corrosion or other indications that buttons are worn out or damaged, such as missing conductive paint. Utilizing a Q-tip that has been dipped in rubbing alcohol, gently clean any membrane contacts that have become damaged or where conductive paint is missing. Do not rub too vigorously, as this could erode the conductive paint and stop the button from firing when you press it.
Check the battery connector terminals for loose solder connections. If this is the case, simply soldering them back in place may restore function to the button. The same procedure can be used to restore functionality to any other loose connections in the fob.
If any of the rubber buttons located at the front of the keyfob isn't working or require being press very hard the graphite disks on the back of the button may have worn out and will require replacement. This is usually done by rubbing a pencil over the disks, which should bring the button back 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 issue by cleaning and re-soldering the button however, you should have an extra in case it does not work.
Circuitry
If the key fob buttons function the circuit board that is inside your remote may be dirty. key fob repair service can be fixed by a thorough inspection. The most common causes for dirty circuit boards are water and damaged cases. A damaged case can allow water and other debris to get into the circuit board, which can cause it to short. Water can also eat through pins and vias, which are small connectors that are found on the board.
If you're skilled enough to open your key fob and you don't mind making a mess, we can take the buttons out of their sockets and put in new ones. Also, you should check the connections between the battery terminals. If they're loose, the buttons might not function properly or become stuck in their down position. Soldering the terminals and buttons to their proper positions is usually enough to return a malfunctioning fob to a working condition.
Non-Remote Transponder Chips
Sealed non-remote transponder chips are more durable than the remote fobs they are contained in, however they are still susceptible to being damaged by a hole that is drilled into them or run over by a lawnmowers blade or door handle for a car. Most of the time non-remote transponder chip malfunctions can be blamed on an exploded fuse.
If you're not comfortable opening the key fob, take the circuit board off and use a multimeter to verify that the diode is working properly. If you don't feel comfortable with this, you can visit your local Oreilly or hardware store and use their RF frequency tester. This will inform you whether the key fob sends an RF signal.
Programming
Key fobs aren't indestructible and are susceptible to damage by a variety of factors. They may lose their connection to the receiver in your car because of shock or a low battery, requiring them to be reprogrammed. A professional auto locksmith, or a dealer in the main can reprogram the key fob and get it back working again. In the event that resetting and fixing your key fob isn't working it could be the time to replace it all over again.