Remote Key Fob Repair
Most modern vehicles now feature the remote key fob which can be used to lock, unlock or start the vehicle. But, like all pieces of modern technology it is not without its own issues.
Usually, they are easy to resolve. It can be as simple as resetting it and you should be able to accomplish by following the resetting instructions in the owner's manual.
Check the Battery
The battery of the fob that powers it is responsible for the remote control function. It's a small and inexpensive part that should be replaced on a regular basis to ensure the fob's functionality. There are a variety of reasons your key fob may not be working besides the battery. Water exposure, physical damage or internal component failure could be the reason. Whatever the reason when your key fob's sensor is not responding, it's time for a replacement battery.
First, ensure you have the correct size battery. Most modern key fobs use a common three-volt CR2032 battery that's easily available at many stores. The majority of these batteries are stamped with the size on one of the edges of the fob. You can determine the kind of battery your car requires by searching for the brand name.
Once you have the right battery take a moment to open the key fob, and then remove the existing battery. Photograph the inside of the fob before you do so to ensure you put everything back together correctly. This simple action can save you from having to buy a new fob if you make an error while putting it back together.
You should also be aware that some key fobs have an additional mechanical key, called an emergency blade. This is found inside the key fob and permits you to open the driver's side door in case the remote control isn't working. To access the key blade, you have to locate the notch located in the middle of the fob. The notch is typically a circle hidden by the plastic casing of the fob.
If you'd like to test the battery's voltage with more care, use the multimeter. The majority of modern key fobs have an voltmeter embedded in their casings. However, you can also get a multimeter for a couple of dollars at many hardware stores. Generally, the battery should be reading 3.0 volts or more. If it is below that level, it could indicate a battery in its final stages and should be replaced immediately.
Check The Key Lab might look like high-tech, fancy convenience items but car key fobs are not impervious to destruction. It's not uncommon for these remotes to fail after a time, particularly when the vehicle is frequented or there is lots of physical abuse involving it. Fortunately, a majority of the times it's easy to diagnose and fix the issue with remote key fobs, and replacing the battery is often all that's needed.
The majority of modern car keys have multiple buttons for different functions, such as locking and unlocking the doors as well as activating the panic button, and opening the trunk. When a button on the fob is pressed it sends a radio signal to a receiver inside the vehicle. Some fobs have buttons to start the car, which is especially useful in cold winter mornings and hot summer days.
The buttons on a key fob are reset by simply taking it apart and checking that they're not broken or stuck. The battery connector terminals of a key fob could be loose over time, despite the fact that they are not designed to be disassembled. If the button contacts have been disconnected from the circuit board and need to be soldered, a simple job can be enough to get them back in place and allow the fob back to full functionality.
If a fob is damaged or dropped, the buttons could be damaged, misaligned, or out of alignment. These issues are more difficult to fix by yourself. However an auto repair shop in your area can fix them with the right equipment and expertise.
Keep a spare key fob a safe place in the event that the one you are using frequently stops working. This can to avoid being stuck without your keys or having to pay a large amount of money to have the vehicle towed back to the dealer. Make sure to check your car insurance, car club membership, or extended warranty coverage for the cost of replacing a replacement key fob.
Check the Casing
It's not uncommon for a keyfob to become wet. It could be the result of a swimming pool, a downpour, or even from your washing machine. The resulting moisture can cause a variety of malfunctions in the electronics. The good part is that the key fob can usually be kept from the brink of death by thoroughly drying it out and following a few easy steps.
First, check whether the buttons function properly. This usually involves removing and cleaning the buttons. If the buttons aren't working or don't appear to be able to open, it could be time to replace your remote.
Examine the case to ensure that there is nothing blocking the operation of the key fob. Utilize tweezers to remove the case and remove the battery however, do not remove the circuit board or antennas. They have electric current flowing through them that keep the key fob programmed to your vehicle, and when you break the circuits, you'll need to visit a dealer or an Interstate All Battery Center location to re-program the device.
After you have replaced and removed your battery, it is recommended to dry the key fob out by placing it in a plastic bag containing silica gel packets. This will prevent any future issues with moisture and make your key fob more robust.
Finally, if the fob is still not functioning properly, you'll have to visit a dealer or an independent shop that specializes in your particular type of vehicle. They can reprogram the key fob to match your specific vehicle and hopefully restore its full functionality.
If all else fails then you can purchase an alternative keyfob online or in your local NAPA Auto Parts shop. These DIY remotes look as the factory key fob but are much less expensive and can be easily paired with your vehicle following easy instructions. NAPA offers a variety of do-it yourself replacements that you can program within a matter of minutes.
Check the Connections
Occasionally your key fob might cease to function - even though it's still programmed to your vehicle. This could be due various reasons, including broken battery terminal contacts or buttons. You could be able to fix the problem yourself by performing basic maintenance.
You should first confirm whether your backup remote is able to lock and unlock the doors of your vehicle. If it can't, you may have a problem in your main remote. If you're still having trouble doing it, try replacing the batteries in the backup remote.
It's a great idea to disassemble your key fob prior to replacing the battery and inspect the circuit board. You'll want to make sure that there aren't any damaged solder joints that must be replaced with solder. When you're done, you can replace the battery and rebuild the key fob.
After you have replaced the battery and reassembled your key fob, you should test its connection to your vehicle. Put a flathead mini screwdriver into the notch on the bottom of the key fob. From there, you'll be in a position to break the two parts of your key fob and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, ensuring that it's placed with the negative side facing downwards. Once you've successfully inserted the circuit board, you can rebuild the key fob and try again.
If this doesn't resolve the issue, you might have a larger problem. In this case you'll have to contact your dealer or an independent service shop that is specialized in the model of your car. They can diagnose the issue by using a radio-frequency tester an instrument that determines whether your key fob sends a signal to the car's computer.
This guide is intended to be of assistance to anyone having problems with their vehicle key fob. Please contact us if you have any questions or concerns. We'll be happy to assist you get on the road again in Deptford or Cherry Hill.