20 Trailblazers Are Leading The Way In Remote Key Repair
How to Fix mobile car key repair That isn't Working
If your key fob won't work then you can fix it by following a few simple steps. The first step is to be sure it's not the backup remote.
If the backup is able to lock and unlock your car doors it is most likely an issue with the primary remote. car key repair service of key problems with your car remote are issues with the circuitry or battery.
Battery
The battery inside the key fob may get worn out over the course of time. It is quite simple to replace a battery, although it is essential to make sure that you choose the correct type and you can consult your owner's manual or contact the dealer for the manufacturer to find out the kind of battery you require. It is also essential to examine the battery compartment, as dead batteries can leak caustic chemicals which can damage the remote. If replacing the battery does not fix the issue there could be other issues requiring professional attention. For example, if buttons seem stuck or broken It may be necessary to take the remote apart and rework its components. You can also try reprogramming the vehicle to recognize the new fob.
Buttons
From frequent use, key fobs could get dirty and worn. It is not uncommon for buttons to cease functioning, or require a hard press to make them work. This can be very frustrating particularly if you're away from home and need to start your car. Even malfunctioning or worn-out buttons can be fixed with a little effort and the tools 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, open the remote with care and inspect the circuit board. Examine for signs of rust or other indications that the buttons have been damaged or worn out. For example the paint that conducts electricity could be missing. Use a Q-tip dipped into alcohol to gently clean any membrane contact that is worn out or where conductive painting is missing. Don't rub too hard, as this could erode the conductive paint and prevent the button from firing when you press it.
Check the battery connector terminals for loose solder connections. Soldering them back into place will restore the button's functionality If this is the case. The same process can be used to restore functionality to any other loose connections inside the fob.
If, for instance, any of the rubber buttons on the front of the key fob aren't working or require a hard press to work, it is likely that the graphite disks that are on the back of the button are wearing down and need to be replaced. This is usually done by rubbing a pencil over the disks, which should bring the button back to its original state.
If none of this is useful, or if the button does not respond to a hard press, then it may be because the circuit board itself has gone bad. It is possible to fix the issue by cleaning and re-soldering your fob however, you should have another spare in case it doesn't work.
Circuitry
Whether or not the keys fob buttons are functioning the circuit board in the remote could be dirty. A thorough examination is usually enough to fix this problem. The most frequent causes of dirty circuit boards is water and damaged cases. A broken case allows water and other debris to enter and short circuit the electronic components. Water can also damage pins and small connectors on the board, which are known as via's.
If you're able to open your key fob, and you don't mind making an mess, you can take the buttons out of their sockets and then solder new ones. It's also worth checking the connections between the battery terminals. They can get very filthy and if they're not tight enough, the buttons might not work or may even remain in their down position. Soldering the terminals and buttons to their proper positions is usually enough to restore a non-working fob back to working.
Non-Remote transponder chips
Sealed non-remote transponder chip are more durable than remote fobs that contain them but they can be broken by a hole being made in them or pushed over by a lawnmower or car door handle. Fuse failures are usually to blame for non-remote chips failures.
If you're able to open the sealed key fob and can tolerate the mess, you can remove the circuit board and test the fuse with a multimeter to ensure that it is functioning as intended. function. If you're not comfortable doing this, visit your local hardware store or the Oreilly's and they usually have an RF frequency tester that will tell you if the key fob is sending a signal.
Programming
Key fobs aren't indestructible and are susceptible to damage by a lot of things. They can lose their pairing to the car's receiver due to shock or a low battery, which calls for them to be reprogrammed. A professional auto locksmith or main dealer will be able to reprogram your key fob and get it working again. In the rarer case that resetting and repairing your key fob isn't working, it could be time to replace it all over again.