Remote Key Fob Repair
Most modern vehicles now feature remote keys that can be used to lock, unlock and start the car. But, like all pieces of high-tech equipment it isn't without issues.
These are usually very easy to fix. It's as simple as resetting it, which you should be able do by following the instructions for resetting in the manual of your owner.
Check the Battery
The remote control is powered by the battery in a key fob. The battery is a tiny, inexpensive part that needs to be replaced on a regular basis in order to maintain the functionality of the fob. However, in addition to the battery, there could be other reasons your fob isn't working. Damage to the physical, exposure to water or internal component failure could be the cause. Regardless of the cause the key fob's sensor is not responding it's time to replace its battery.
First, ensure that you have the right size battery. Most modern key fobs use a common three-volt CR2032 battery which is readily available in many stores. Most of these batteries are marked with the size on one of the fob's edges. You can determine the kind of battery your car requires by searching for the brand name.
Once you have the right battery, carefully open the key fob, and then remove the existing battery. Take a photograph of the inside of the fob to ensure you put it back together correctly. This simple action can help you avoid needing to purchase a new fob if you make an error while making it.
You should also be aware that certain key fobs come with a backup mechanical key, called an emergency blade. It's located inside the key fob and allows you to access your car's driver's door in the event that the remote control fails to function. To get to the blade of the key, find the notch in the middle of your fob. The notch is typically a circle that's hidden by the fob's plastic casing.
If car key fob repair want to check the battery's voltage using extra caution, you can use the multimeter. Most modern key fobs have an voltmeter in their casings. However, you can also get a multimeter for just a couple of dollars at many hardware stores. The battery should generally be reading 3.0 volts or greater. A reading that is lower than that could indicate a battery in its final stages and must be replaced immediately.
Check the Buttons
They might look like high-tech, fancy convenience items however, car key fobs aren't impervious to destruction. It's not uncommon for remote devices to stop working after a certain time, especially when the vehicle is being frequented or there's a lot of physical abuse that is associated with it. In most cases it's simple to spot a problem and fix one with the remote fob. Usually all that's needed is an updated battery.
Modern car key fobs include several buttons that can perform various functions. For example, they can lock and unlock the doors as well as activate the panic button, and open the trunk. When a button on the fob is pressed it transmits a radio code to a receiver inside the vehicle. Some fobs also include a button to start the engine, which can be particularly useful during cold winter mornings or hot summer days.
The buttons on a key fob are reset by snapping it off and ensuring that they're not broken or stuck. Key fobs aren't usually designed to be disassembled however, the battery connector terminals on a key fob could be loose as time passes. Soldering can be used to connect the button contacts to the circuit board in case they've been cut off. This will restore the fob's functionality.
In addition, if a fob was damaged or dropped in any other way, the buttons could be broken, out of alignment or otherwise misaligned. These types of issues are typically more difficult to fix on your own, but they can be resolved by a local auto shop with the proper tools and experience.
Keep a spare key fob a safe place in the event that the one you are using is not working as often. You'll avoid being stuck in the middle of nowhere without your keys, or having to pay for a large amount to have your car taken to the dealer. It is also advisable to look over your insurance policy on your car or membership in a car club or extended warranty coverage to see whether it will cover the cost of replacing or programming a new fob.
Check the Casing
It's not uncommon for keys to get submerged, whether from a pool, rainstorm or even your washing machine. The moisture that results can trigger a myriad of malfunctions in the electronic components. It's important to know that you can save a key fob from death by following a few easy steps and drying it thoroughly.
The first step is to check the buttons are working properly. This usually involves removing the buttons, cleaning them, and rebuilding them. If the buttons aren't working or don't appear to be able to open, it could be the time to replace your remote.
Check the case to ensure that there isn't any obstruction to the operation of the key fob. Use tweezers or pliers to open the case and remove the battery however, do not remove the circuit board or antennas. If you disrupt the circuits that keep your key fob programmed you'll need to visit an Interstate All Battery Center or dealer to reprogram it.
After you have replaced and removed the battery, it's recommended to dry the key fob by putting it in an airtight bag that contains silica gel packets. This will prevent any future moisture issues and help the battery last longer.
Finally, if the fob is not functioning properly, you'll have to visit a dealer or an independent shop that is specialized in your particular model and make of vehicle. They can reprogram the key fob of your specific vehicle, and hopefully restore its full functionality.
If you're not able to find a replacement key fob from NAPA can be purchased through the internet or at your local NAPA Auto Parts store. These do-it-yourself-operated remotes look as the factory key fob however, they are more affordable and can be easily paired with your vehicle by following simple instructions. NAPA provides a variety of do-it yourself replacements that you can re-program in minutes.
Check the Connections
The key fob you have may cease to function even though it's programmed to work for your vehicle. This could be due to a number of factors that include broken battery contacts or buttons. If this is the case, you may be capable of fixing it yourself by doing basic maintenance.
The first thing to do is ensure that your backup remote is able to lock and unlock the doors of your car. If it does then there could be issues with your primary remote. If you are still unable to do it, try replacing the batteries in the backup remote.
It's a good idea to take apart your key fob prior to replacing the battery and inspect the circuit board. You'll need to ensure that there aren't any damaged solder joints that must be re-soldering. Once you're done with that, you can replace the battery and put back together the key fob.
Once you've replaced the battery and reassembled your key fob, it's now time to test its connection to your vehicle. Insert a flathead mini screwdriver into the notch at the bottom of the key fob. You can then pry apart the two halves of your key fob and remove the circuitboard gently. Be careful when inserting a new CR 2032 3V battery, ensuring that it's placed with the negative side facing down. After you've inserted the circuit board, rebuild the key fob and try again.
If this doesn't work for you, then you may have a larger issue. In this case you'll have to contact your dealer or an independent service shop that specializes in the model of the car you own. They can diagnose the issue by using a radio-frequency tester which is a device that can determine whether your key fob sends an electronic signal to the car's computer.
This guide should be helpful to anyone having problems with their vehicle key fob. If you have any other questions or concerns, don't hesitate to contact us for assistance. We'll be happy to help you get back on the road again in Deptford or Cherry Hill.