Remote Key Fob Repair
Most modern vehicles now feature a remote key fob that can be used to lock, unlock and start the car. However, as with any piece of modern technology it isn't without issues.
These are usually very easy to fix. It's as simple as resetting it, which you should be able to do by following the resetting guidelines 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 tiny and affordable part that should be replaced frequently to ensure the fob's functioning. There are other reasons why your key fob might not be functioning properly, besides the battery. The reasons could be physical damage, exposure to water or internal component failure. Whatever the reason when your key fob isn't responding and is not responding, it's time to replace the battery.
First, ensure you have the right size battery. Almost all modern key fobs utilize a common three-volt CR2032 battery that is easily accessible at a variety of stores. The size of most of these batteries is printed on the outside of the key fob. You can determine the type of battery your vehicle 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 this to make sure you put everything back together in the correct way. This simple step will save you from having to purchase a new fob because you made an error when making it back together.
Some key fobs have an electronic backup key, also known as an emergency blade. This is found inside the key fob and allows you to open the driver's side door in case the remote control fails to function. To get to the blade of the key, locate the notch that lies in the middle of your 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's voltage using more care, use a multimeter. The majority of modern key fobs have built-in voltmeters, but you can buy a multimeter in most hardware shops for a few bucks. Generally, the battery should read at 3.0 volts or greater. If it reads lower than that, it could indicate the battery is in its last days and needs to be replaced immediately.
Check the Buttons
Car key fobs may seem to be nothing more than, high-tech convenience items however, they're not indestructible. It's not uncommon for these remotes to fail after a time, particularly when the vehicle is frequented or there is a lot of physical abuse that is associated with it. In most cases it is easy to identify a problem and fix one with a remote fob. Most of the time, all that is needed is an upgrade to the battery.
Modern car key fobs have numerous buttons that serve different functions. For instance they can be used to lock and unlock the doors, activate the panic button, and even open the trunk. When a button on the fob is hit, it sends a radio signal to a receiver inside the vehicle. Some fobs also come with a button that will start the engine, which is especially handy in cold winter mornings and hot summer days.
The buttons on a key fob reset by simply taking it apart and checking whether they're not damaged or stuck. The battery connector terminals on a key fob could become loose over time, despite the fact that they aren't intended to be removed. If the contacts on the button are disconnected from the circuit board, a simple solder job can be enough to put them back into place and allow the fob back to its full functionality.
In addition, if a fob was damaged or dropped in any other way, the buttons may be broken or displaced from their alignment or misaligned in any way. These types of problems are usually more difficult to repair on your own but they can be resolved by an auto repair shop in your area with the right tools and expertise.
It's always an excellent idea to have an extra key somewhere in the event that one you regularly use stops working. This can prevent you from being stranded without your keys or having to pay a lot of money to get the vehicle towing back to the dealer. Make sure to check your car insurance, car club membership, or extended warranty coverage to determine the cost of replacing a replacement key fob.
Check the Casing
It's not uncommon for the key fob to become wet, be it from a pool, a rainstorm, or even your washing machine. how to repair car key fob resulting water can play destruction to the electronics inside, causing numerous malfunctions. It's good to know that you can save a key fob from death by following a few simple steps and drying it thoroughly.
The first step is to check the buttons are functioning correctly. This usually involves removing the buttons, cleaning them, and rebuilding them. If the buttons aren't functioning or appear to be able to open, it could be time to replace your remote.
Examine the case to ensure that there isn't any obstruction to the operation of the key fob. Use tweezers to open the case and remove the battery but do not disassemble the circuit board or antennas. If you damage 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 have removed and replaced your battery, it's an ideal idea to dry the key fob out by placing it in an airtight bag that contains silica gel packets. This will avoid any future issues with moisture and will make your key fob more robust.
Finally, if the fob is still not functioning properly, you'll need to visit a dealership or an independent shop that is specialized in your specific make and model of vehicle. They will be able to reprogram the key fob for your vehicle, and hopefully restore it to its full functionality.
If nothing else works, you can purchase an additional keyfob online, or at your local NAPA Auto Parts shop. These do-it-yourself-operated remotes look like the original key fob, but are much less expensive and are able to be paired with your vehicle using simple instructions. NAPA provides a variety of replacements that you can program within a matter of minutes.
Check the Connections
Sometimes your key fob might just stop working - even though it's still connected to your vehicle. This could be due a variety of reasons, including broken battery terminal contacts or buttons. If this is the case, you may be capable of fixing it yourself by doing some basic maintenance.
The first thing to do is make sure that your backup remote is able to lock and unlock your car's doors. If it does, then you may have an issue with your primary remote. If not, then it's time to replace the battery in your backup remote.
It's a great idea take apart your key fob prior to replacing the battery and inspect the circuit board. Make sure there are no cracks in the solder joints. Once you're done, you can replace the battery in your key fob and reassemble it.
After you've replaced the battery and reassembled the key fob, you're now ready to test its connection to your vehicle. Insert a flathead mini screwdriver into the notch on the bottom of the key fob. From there, you'll be able to break the two halves of your key fob, and gently remove the circuit board. Be careful when inserting a new CR 2032 3V battery, ensuring that it is placed with the negative side facing downwards. After you have reinserted your board you can put it back together. key fob.
If this does not resolve the issue, you might have a bigger problem. In this instance, you should call your dealer or a repair shop that is specifically geared to the make of your vehicle. They can identify the issue using a radio frequency tester which is a gadget that determines if your key fob is sending an indication to the car's computer.
This guide is intended to be of assistance for anyone who has issues with their vehicle key fob. If you have any other questions or concerns, don't hesitate to ask us for help. We'll be glad to help you get on the road again in Deptford or Cherry Hill.