Remote Key Fob Repair
Modern vehicles come with a remote control that can be used to lock, unlock, or start the vehicle. However, as with any piece of modern technology it is not without its own problems.
Most of the time, these issues are simple to resolve. It is as easy as resetting the device which you should be able to do by following the instructions for resetting in your owner's manual.
Check the Battery
The battery inside the key fob powers the remote control function. It's a tiny and affordable part that needs to be replaced frequently to ensure the fob's functionality. There are a variety of reasons your key fob may not be functioning properly, besides the battery. Physical damage, water exposure or internal component malfunction could be the reason. Regardless of the cause when your key fob isn't responding and is not responding, it's time to replace its battery.
Ensure you have the correct size battery. Almost all modern key fobs utilize the CR2032 CR2032 battery, which is a standard three-volt unit that is easily accessible at a variety of stores. The size of the majority of these batteries is stamped on the edge of the key fob. A quick search for the name of your car's brand will help you identify the exact type of battery it takes.
Once you have the right battery then carefully open your key fob, and then remove the existing battery. Take a picture of the inside of your fob to ensure you put it back together correctly. This simple step can help you avoid having to buy a new fob simply because you made an error when putting it back together.
You should also be aware that some key fobs include a backup mechanical key, referred to as an emergency blade. This key blade is located inside the key fob, and it lets you unlock the door of the driver's seat of your vehicle in the event that the remote control fails. To access the key blade, you'll need to locate the notch that's located in the middle of the fob. The notch is usually a circular shape that is concealed by the fob's plastic casing.
If you're looking to test the battery voltage with extra care, you can use a multimeter. Most modern key fobs come with a voltmeter built into their casings. However, you can also purchase an extra multimeter for a couple of dollars at many hardware stores. In general, the battery should read 3.0 Volts or higher. A reading below that level could indicate that the battery is in its final stages and must be replaced immediately.
Check the Buttons
Key fobs for cars may appear like nothing more than fancy modern, high-tech gadgets however they're not impervious to damage. It's not uncommon for remote devices to stop working after a certain time, especially when the vehicle is being frequented or there's an excessive amount of physical abuse involving it. Fortunately, most of the times it's easy to determine and repair a problem with a remote key fob, and replacing the battery is usually all that's required.
The majority of modern car key fobs feature multiple buttons for different functions, such as locking and unlocking doors, activating the panic button, as well as opening the trunk. When a button on the fob is hit, it sends a radio signal to a receiver within the vehicle. Some fobs have a button to start the car, which is particularly useful in cold winter mornings and hot summer days.
Typically, the buttons on a key fob can be reset simply by taking the device apart and ensuring they're not damaged or stuck. Key fobs aren't usually designed to be taken apart however the battery connector terminals on a key fob can be loose as time passes. If the contacts on the button have been disconnected from the circuit board A simple soldering job could be enough to get them back on track and return the fob to full functionality.
If a fob gets damaged or dropped, the buttons may be damaged, misaligned or out of alignment. These issues are more difficult to fix by yourself. However, a local auto shop can fix them using the right equipment and expertise.
It's always recommended to keep an extra fob in the event that one of the ones that you frequently use fails to function. You'll be able to avoid being in the in the middle of nowhere with no keys, or paying for a large amount to have your car transported to the dealer. It is also advisable to examine your insurance policy on your car or car club membership extended warranty coverage to determine whether it will cover the cost of programming or replacing a new fob.
Check the Casing
It's not uncommon for a keyfob to get wet. It can happen due to a swimming pool, a downpour or even from your washing machine. The moisture that results can trigger a myriad of malfunctions within the electronics. The good news is that the key fob can usually be kept from a cliff by drying it thoroughly and following a few simple steps.
First, verify that the buttons still work correctly. This usually means removing the buttons, cleaning them and reassembling them. If the buttons don't pop back in or are stuck, it's time to replace your remote.
Examine the case to make sure that nothing is interfering in the operation of the key fob. The case can be opened using tweezers, and then remove the battery. Don't remove the circuit board or antennas. If you disturb the circuits that keep your key fob's programmed, you will need to visit an Interstate All Battery Center or dealer to reprogram it.
After you've replaced and removed the battery it's an ideal idea to dry the fob by placing it in a plastic bag containing silica gel or other desiccating agent. This will help prevent future moisture problems and make your key fob more robust.
If the fob is still not working properly, you'll need to visit a dealership or an independent shop that is specialized in your specific type of vehicle. They can reprogram the fob's key to your vehicle, and hopefully restore it to full functionality.
If all else fails, the replacement key fob offered by NAPA can be purchased on the internet or at a local NAPA Auto Parts store. These do-it-yourself remotes look just like the original key fob, but are much less expensive and are able to be paired with your vehicle following easy instructions. If you'd like to avoid the expense and hassle of a trip to the dealership, NAPA offers several do-it-yourself replacements that can be reprogrammed in a matter of minutes at your home.
Check the Connections
Occasionally your key fob may just stop working - even though it's still connected to your vehicle. This could be due a variety of reasons, including damaged battery terminal buttons or contacts. You could be able to fix the problem yourself by performing basic maintenance.
The first thing to do is ensure that the backup remote you have is able to lock and unlock the doors of your car. If it can't, you may have a problem with your main remote. If you can't, then it's time to try replacing the battery in the backup remote.
It's a great idea take apart your key fob prior to replacing the battery and then inspect the circuit board. You'll want to make sure that there aren't any cracked solder joints that need to be repaired by re-soldering. After you've finished replacing the battery on your key fob and rebuild it.
Once you've replaced your battery and reassembled your key fob, it's now time to test the connection to your vehicle. Insert a flathead mini screwdriver into the notch at the bottom of the key fob. From there, you can break the two halves of your key fob, and gently remove the circuit board. Be careful when inserting a new CR 2032 3V battery, making sure that it's placed with the negative side facing downwards. After you've inserted the circuit board, rebuild the key fob and try again.
If this doesn't work, you have a bigger issue. If this is the case, contact your dealer or a repair shop that is specifically geared to the make of your vehicle. They can determine the problem with a radio-frequency analyzer, which is a device that can determine if your key fob transmits signals to the car's computer.
I hope this guide has been useful to anyone having trouble with their vehicle's key fob. Contact More Signup bonuses if you have any questions or concerns. We'll be happy to help you get on the road again in Deptford or Cherry Hill.