Remote Key Fob Repair
The majority of modern cars now have the remote key fob which can lock, unlock and start the vehicle. However, like any piece of modern technology it isn't without issues.
These are usually very easy to fix. You can reset it by following the instructions in the manual of your owner.
Check the Battery
The battery in a key fob powers the remote control function. The battery is a tiny component that is inexpensive and needs to be replaced on a regular basis in order to maintain the functionality of the fob. However, in addition to the battery, there are other reasons your fob may not be working. Water exposure, physical damage or internal component malfunction could be the reason. If your key fob has stopped working then replace the battery.
First, ensure that you have the right size battery. Almost all modern key fobs use the CR2032 CR2032 battery, which is a standard three-volt unit that is easily accessible at a variety of stores. The majority of these batteries are marked with the size on one of the edges of the fob. You can determine the type of battery your vehicle requires by searching for the brand name.
Take your key fob apart carefully and take out the original battery. Take a photo of the inside of the fob before you do this to make sure that you put it back together in the correct way. This simple step could save you from having to buy a new fob simply because you made an error while making it.
Certain key fobs also come with an electronic backup key, also known as an emergency blade. The key blade is inside the key fob and it lets you unlock the driver's door of your car in the event that the remote control is not working. To access the blade of the key, you must locate the notch that lies 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 be extra cautious, you can use a multimeter to check the voltage of the battery. The majority of modern key fobs have an voltmeter embedded in their casings. However, you can also get a multimeter for just a few dollars at most hardware stores. In general, the battery should read 3.0 volts or more. A reading below that level could indicate that the battery is in its last stages and should be replaced immediately.
Check the Buttons
They may appear to be high-tech, fancy convenience items, but car key fobs are not impervious to destruction. It isn't unusual for these remote devices to stop working after a while, especially when the vehicle is frequently used or if there's lots of physical abuse associated with it. Fortunately, the majority of times, it's simple to determine and fix the issue with remote key fobs, and changing the battery is typically all that's required.
The majority of modern car keys have numerous buttons for various functions including locking and unlocking the doors, activating the panic button and opening the trunk. When the button is pressed the fob transmits an audio signal using an identification code that can be recognized by a receiver inside the car. Some fobs also come with a button that will start the engine, which can be especially handy during cold winter mornings or hot summer days.
The buttons on a key fob are reset by simply snapping it off and ensuring that they are not broken or stuck. Key fobs aren't usually designed to be taken apart, but the battery connector terminals on a key fob may get loose as time passes. If the button contacts have been disconnected from the circuit board and need to be soldered, a simple job could be enough to get them back into place and return the fob to full function.
If click to read gets damaged or dropped, the buttons might be damaged, misaligned, or out of alignment. These kinds of issues are generally more difficult to solve on your own, however, they can be fixed by a local auto shop with the right equipment and experience.
Keep a spare key fob in a safe place, just in the event that the one you are using is not working as often. This will to avoid being stuck without your keys or having to pay a lot of money to get the vehicle towing back to the dealer. You should also check your insurance policy for your car, car club membership or extended warranty coverage to see whether it will cover the cost of programming or replacing a new fob.
Check the Casing
It's not unusual for a keyfob's cap to get wet. It could be the result of a swimming pool, a rainstorm, or even from your washing machine. The moisture that is resulting can trigger a myriad of malfunctions in the electronics. The good thing is that a key fob can often be saved from the brink of death by drying out thoroughly and executing a few simple steps.
The first step is to make sure the buttons are functioning correctly. This usually involves removing, cleaning and reassembling the buttons. If the buttons aren't working or don't come in, it might be the time to replace your remote.
You'll also want to check the case to ensure there is nothing that could be affecting the functioning of the key fob. Remove the case using tweezers and remove the battery. Do not disassemble the antennas or circuit board. They have electric current flowing through them, which keeps the key fob's programed to your vehicle, and should you disrupt these circuits, you'll need to go to a dealer or choose an Interstate All Battery Center location to re-program it.
After you've removed and replaced the battery it's recommended to dry out the fob by placing it in a plastic bag filled with silica gel or other desiccating agent. This will prevent any future issues with moisture and will help your key fob last longer.
Finally, if the fob isn't functioning properly, you'll have to visit a dealer or an independent shop that specializes in your particular model and make of vehicle. They will be able to reprogram the fob's key to your vehicle, and hopefully restore it to its full functionality.
If all else fails If all else fails, you can buy an alternative keyfob online or at your local NAPA Auto Parts shop. These DIY remotes function just like the original fob, but are more affordable. They can be easily paired to your vehicle by following simple instructions. If you're looking to avoid the high cost and hassle of a dealership visit, NAPA offers several do-it-yourself replacements that can be reprogrammed in a matter of minutes at your home.
Check the Connections
Your key fob may stop working even though it's programmed for your vehicle. It could be due to many reasons, including damaged battery terminal buttons or contacts. If this is the case, you may be capable of fixing it yourself by carrying out some basic maintenance.
The first thing you have to do is ensure that the backup remote you have is able to lock and unlock your car's doors. If it can't, you might have an issue with your primary remote. If not, then it's time to try replacing the battery in the backup remote.
Before you replace the battery It's a good idea to pull off the key fob and do an examination of the circuit board. You'll need to ensure that there aren't any broken solder joints that must be re-soldering. Once you're done with that, you can replace the battery and reassemble the key fob.
After you have replaced the battery and reassembled your key fob, make sure you test the connection to your vehicle. Put a flathead mini screwdriver into the notch at the bottom of the key fob. You can then break your key fob's two halves and then gently remove the circuit board. Install a brand new CR2032 3V battery with the negative end facing down. After you have reinserted your board and reassembled your key fob.
If this doesn't work for you, then there is a bigger problem. In this instance, you should call your dealer or a service shop that is specifically geared to the make of your vehicle. They can determine the problem with a radio-frequency analyzer, an instrument that determines if your key fob transmits an electronic signal to the computer in your car.
This guide is intended to be of assistance for anyone who has issues with their car key fob. Contact us if have any questions or concerns. We'll be happy to assist you get back on the road again in Deptford or Cherry Hill.