20 Trailblazers Are Leading The Way In Remote Key Repair
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How to Fix a Key Fob That isn't Working
If your key fob isn't working A few easy steps can be taken to fix it. First, ensure that it's not your backup remote.
If the backup remote is able to lock and unlock your car doors it is most likely an issue with the primary remote. Most problems with car remote keys result from battery or circuitry problems.
Battery
It is not unusual for the battery in a key fob for cars to get worn out. It is fairly easy to replace the battery, however it is important to ensure you select the correct one; you can look in your owner's manual, or contact the dealer for the manufacturer to determine the type of battery you require. It is also important to inspect the battery compartment as dead batteries can leak caustic chemicals which can damage the remote. If changing the battery doesn't fix the issue there could be other issues that require professional attention. If buttons are broken or stuck for instance it might be necessary to take the remote apart and rework each component. You could also try reprogramming your vehicle to recognize the new key fob.
Buttons
Through repeated use, key fobs can become worn and dirty. It is not common for buttons to stop functioning, or require a hefty push to make them work. This can be very frustrating, especially if you are out of town and need to start your car. Even malfunctioning or worn-out buttons are often fixable with a little effort and materials you already have at home.
First, check that the batteries are charged correctly and that the indentation on the back of the button is filled. Then, carefully remove the remote and look at the circuit board. Examine for signs of rust or other signs the buttons have been damaged or worn. For example there could be conductive paint missing. Use a Q-tip that has been dipped in rubbing alcohol to gently clean any membrane contact that is worn out or where conductive paint is missing. Do not rub too vigorously in order to damage the conductive paint and stop the button from firing when it is pressed.
Also, make sure to inspect the battery connector terminals for any loose solder connections. If this is the case, connecting them back may restore functionality to the button. You can use the same procedure to restore functionality to any other loose connection within the fob.
If, for instance, any of the buttons made of rubber on the front of the key fob aren't functioning or require a long press to function, it is likely that the graphite disks that are on the back of the button are wearing out and need to be replaced. You can usually do this by rubbing a pen across the disks. This will bring the button back to websiteget more info life.
If none of these solutions work, or if you still cannot get the button to respond when pressed hard, it could be that the circuitry has failed. This can sometimes be repaired by a quick clean and replacing the solder, but it is ideal to have a spare fob available in the event this method does not work for you.
Circuitry
If the keys fob buttons check here are functioning the circuit board that is inside your remote might be dirty. A very thorough inspection is often enough to resolve this issue. The most common causes of dirty circuit boards are water and broken cases. A damaged case can allow water and other debris to enter and short out the electronics. Water can also damage pins and small connectors on the board called via's.
If you're able to open up your key check here fob and don't mind a little mess, we can de-solder the buttons and put new ones in their place. It's also worth checking the battery terminal connections. They can become extremely dirty and if they're loose the buttons might not website function or may even remain in their down position. Soldering the terminals and button's back in their place is generally all that's needed to return a non-working key fob to functioning condition.
Non-Remote transponder chips
The non-remote chips that are sealed are more durable than their remote fobs, but they are susceptible to breaking if a hole is drilled in them, or when a door handle for a car or lawnmower runs over them. Most of the time non-remote transponder chips fail, and this can be blamed on blowing fuses.
If you're not comfortable opening the key fob, take the circuit board off and use a multimeter to verify that the diode is operating properly. If you're not confident doing this, head to your local hardware store or the Oreilly's and they usually have a radio frequency tester that can tell you if the key fob is transmitting a signal.
Programming
Key fobs are subject to a lot of abuse and aren't impervious to damage. They may lose their connection to the car's receiver because of shock or a low battery, which requires the reprogramming. A professional auto locksmith or a main dealer will be able to reprogram your key fob and get it working again. If resetting or replacing the keyfob is not working it may be necessary to replace it.