9 Things Your Parents Taught You About Remote Key Repair
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How to Fix a Key Fob That isn't Working
If your key fob isn't functioning A few easy steps can be taken to fix it. First, check to make sure it's not your backup remote.
If your backup remote can unlock and lock the doors of your car, it is likely that the main remote isn't functioning. The majority of car remote key malfunctions are caused by battery or circuitry problems.
Battery
It is not uncommon to find a battery on the key fob for cars to get worn out. It is relatively easy to replace the battery, however it is important to ensure you select the correct one that you can refer to the owner's manual or talk to the dealer for the manufacturer to find out the kind of battery you require. It's also a good idea to examine the battery compartment carefully because dead batteries can release caustic chemicals that could harm the remote. If replacing the battery does not solve the issue there could be other issues requiring professional attention. For instance, if buttons seem to be stuck or broken, it may be necessary to take the remote apart and rebuild its components. You could also try reprogramming your car to recognize the new key fob.
Buttons
Key fobs may become dirty and worn-out from repeated use. This is not unusual however, it can cause buttons to stop functioning or require a hard press for them to work. This can be frustrating particularly when you're away from home and you need to switch on your car. Fortunately, even worn-out or broken buttons can usually be fixed with a little time and a few items you might already have in the house.
First, make sure that the batteries are properly placed and that the indentation at the back of the button has been filled. Then, carefully open the remote and examine the circuit board. Look for signs of corrosion or other indications that the buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that has become worn out or where conductive paint is missing. Do not rub too vigorously as this can damage the conductive paint and stop the button from firing when it is pressed.
Also, be sure to check the battery connector's terminals for an unattached solder connection. If this is the case, soldering them back in place can restore functionality to the button. You can use the same process to restore functionality to any other loose connection within the fob.
In the end, if any of the rubber buttons on the front of the key repair car fob aren't working or require a difficult press to function it is likely the graphite disks on the back of the button are wearing out 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 this is useful, or if the button does not respond to a hard push It could be that the circuit board is damaged. It is possible to fix this issue by cleaning and re-soldering your fob however, you should have a spare in case it doesn't work.
Circuitry
If the keys fob buttons are functioning the circuit board in the remote could be dirty. A very thorough inspection is usually enough to fix this problem. The most common causes of dirty circuit boards are water and damaged cases. A damaged case allows water and other debris to get in and short out the electronics. Water can also damage pins and connectors that are small on the board, referred to as via's.
If you're able to open your key fob and don't mind making a mess, we can take off the buttons and put new ones in their place. Also, it's worth checking the connections between battery terminals. They can become very dirty and if they're loose, the buttons might not function or may even remain in their down position. Soldering the terminals and buttons back in place is usually all that's needed to return the key fob that is not working to working condition.
Non-remote key Repair transponder chips
Sealed non-remote transponder chips are much more durable than the remote fobs that contain them but they can be damaged by a hole that is drilled into them or run over by a lawnmower or car door handle. Most of the time, non-remote transponder chip failures could be attributed to an exploded fuse.
If you are not comfortable opening the key fob, you may remove the circuitboard and use a multimeter to check that the diode is functioning correctly. If you're not confident doing this, go to your local hardware store or Oreilly's and they will usually have a radio frequency tester that can tell you whether the key fob is sending a signal.
Programming
Key fobs are not indestructible and are susceptible to damage by a lot of things. They may lose their connection with the receiver inside your vehicle due to shocks or a low-battery, which requires reprogramming. A professional auto locksmith or a dealer in the main can reprogram your keyfob and get it working again. In the rarer case that resetting and repairing your key fob isn't working it may be time to replace it completely.
If your key fob isn't functioning A few easy steps can be taken to fix it. First, check to make sure it's not your backup remote.
If your backup remote can unlock and lock the doors of your car, it is likely that the main remote isn't functioning. The majority of car remote key malfunctions are caused by battery or circuitry problems.
Battery
It is not uncommon to find a battery on the key fob for cars to get worn out. It is relatively easy to replace the battery, however it is important to ensure you select the correct one that you can refer to the owner's manual or talk to the dealer for the manufacturer to find out the kind of battery you require. It's also a good idea to examine the battery compartment carefully because dead batteries can release caustic chemicals that could harm the remote. If replacing the battery does not solve the issue there could be other issues requiring professional attention. For instance, if buttons seem to be stuck or broken, it may be necessary to take the remote apart and rebuild its components. You could also try reprogramming your car to recognize the new key fob.
Buttons
Key fobs may become dirty and worn-out from repeated use. This is not unusual however, it can cause buttons to stop functioning or require a hard press for them to work. This can be frustrating particularly when you're away from home and you need to switch on your car. Fortunately, even worn-out or broken buttons can usually be fixed with a little time and a few items you might already have in the house.First, make sure that the batteries are properly placed and that the indentation at the back of the button has been filled. Then, carefully open the remote and examine the circuit board. Look for signs of corrosion or other indications that the buttons are worn out or damaged, such as missing conductive paint. Use a Q-tip that has been dipped in alcohol to gently clean any membrane contact that has become worn out or where conductive paint is missing. Do not rub too vigorously as this can damage the conductive paint and stop the button from firing when it is pressed.
Also, be sure to check the battery connector's terminals for an unattached solder connection. If this is the case, soldering them back in place can restore functionality to the button. You can use the same process to restore functionality to any other loose connection within the fob.
In the end, if any of the rubber buttons on the front of the key repair car fob aren't working or require a difficult press to function it is likely the graphite disks on the back of the button are wearing out 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 this is useful, or if the button does not respond to a hard push It could be that the circuit board is damaged. It is possible to fix this issue by cleaning and re-soldering your fob however, you should have a spare in case it doesn't work.
Circuitry
If the keys fob buttons are functioning the circuit board in the remote could be dirty. A very thorough inspection is usually enough to fix this problem. The most common causes of dirty circuit boards are water and damaged cases. A damaged case allows water and other debris to get in and short out the electronics. Water can also damage pins and connectors that are small on the board, referred to as via's.
If you're able to open your key fob and don't mind making a mess, we can take off the buttons and put new ones in their place. Also, it's worth checking the connections between battery terminals. They can become very dirty and if they're loose, the buttons might not function or may even remain in their down position. Soldering the terminals and buttons back in place is usually all that's needed to return the key fob that is not working to working condition.
Non-remote key Repair transponder chips
Sealed non-remote transponder chips are much more durable than the remote fobs that contain them but they can be damaged by a hole that is drilled into them or run over by a lawnmower or car door handle. Most of the time, non-remote transponder chip failures could be attributed to an exploded fuse.
If you are not comfortable opening the key fob, you may remove the circuitboard and use a multimeter to check that the diode is functioning correctly. If you're not confident doing this, go to your local hardware store or Oreilly's and they will usually have a radio frequency tester that can tell you whether the key fob is sending a signal.
Programming
Key fobs are not indestructible and are susceptible to damage by a lot of things. They may lose their connection with the receiver inside your vehicle due to shocks or a low-battery, which requires reprogramming. A professional auto locksmith or a dealer in the main can reprogram your keyfob and get it working again. In the rarer case that resetting and repairing your key fob isn't working it may be time to replace it completely.