Remote Key Fob Repair
Modern vehicles come with remote controls that can be used to lock, unlock, and start the vehicle. However, like any piece of modern technology it is not without its own issues.
Most of the time, these issues are simple to resolve. It can be as simple as resetting it, which you should be able accomplish by following the resetting instructions in the owner's manual.
Check the Battery
The remote control is powered by the battery in the key fob. The battery is a tiny component that is inexpensive and needs to be replaced regularly to ensure the function of the device. But, aside from the battery, there could be other reasons why your key fob may not be working. The reasons could be physical damage, water exposure or internal component failure. If your key fob has stopped functioning then replace the battery.
Be sure to have the right size battery. Almost all modern key fobs utilize a common three-volt CR2032 battery which is readily available in many stores. The majority of these batteries are engraved with the size on one of the edges of the fob. A quick search for the name of your vehicle's brand should help you locate the exact kind of battery that it uses.
Once you have the proper battery, carefully open the key fob and remove its existing battery. Photograph the inside of the fob prior to you do this to ensure that you put it back together the right way. This simple trick will prevent you from having to purchase another fob because you made an error when putting it back together.
Certain key fobs also come with a mechanical backup key called an emergency blade. This key blade is located inside the key fob, and it lets you open the door to the driver's side of your vehicle in the event that the remote control is not working. To access the key blade, you need to locate the notch that's at the center of your fob. The notch is typically covered by the plastic casing of the fob.
If you'd like to test the battery's voltage using extra care, you can use the multimeter. The majority of modern key fobs come with built-in voltmeters, but you can get a multimeter at most hardware shops for a few dollars. In general the battery should read 3.0 Volts or higher. A reading that is lower than that could indicate a battery in its final stages and should be replaced immediately.
Check the Buttons
They might look like modern, high-tech items of convenience but car key fobs aren't indestructible. It's not uncommon for remote devices to stop working after a while, especially when the vehicle is used frequently or if there is a lot of physical abuse involving it. Fortunately, most of the time it can be easy to determine and fix the issue with a remote key fob, and changing the battery is typically all that's needed.
A lot of modern car key fobs feature multiple buttons for different functions, such as locking and unlocking the doors, activating the panic button, and opening the trunk. When a button on the fob is hit, it transmits a radio code to a receiver within the vehicle. Some fobs also include a button to start the engine, which can be particularly useful in cold winter mornings and hot summer days.
Typically, the buttons on a key fob can be reset simply by snapping the device in two and checking to make sure they aren't broken or stuck. The battery connector terminals on a key fob could get loose over time, despite the fact that they aren't intended to be removed. Soldering is a way to reconnect the button contacts to the circuit board in case they have been disconnected. This will bring back the fob's functionality.
If a fob gets damaged or dropped, the buttons could be broken, misaligned, or out of alignment. These problems are more difficult to repair by yourself. However, a local auto shop can fix them with the right tools and experience.
It's always a good idea to keep an extra key somewhere in case 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 having to pay for a large amount to have your vehicle transported to the dealer. Check your car insurance or 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 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 resultant moisture can cause havoc with the electronics inside, leading to a host of malfunctions. The good news is that the key fob can usually be saved from the brink of death by drying out thoroughly and following a few easy steps.
The first step is to make sure the buttons are still functioning properly. This usually involves taking them out, cleaning and reassembling the buttons. If the buttons aren't working or don't pop in, it may be time to replace your remote.
You'll also want to check the case to make sure nothing is interfering with the functioning of the key fob. Remove the case using tweezers and take out the battery. Don't remove the antennas or circuit board. If you damage the circuits that keep your key fob's programmed it will be required to visit an Interstate All Battery Center or dealer to reprogram it.
After you've removed and replaced the battery it's a good idea to dry the fob by putting it in a plastic bag containing silica gel or other desiccating agent. This will help prevent future moisture issues and help the battery last longer.
If the fob still doesn't work, you can go to a dealership, or an independent shop that is focused on the make and model of your vehicle. Learn Additional Here can reprogram the key fob of your specific vehicle and hopefully restore its full functionality.
If everything else fails, the replacement key fob offered by NAPA can be purchased on the internet or at a local NAPA Auto Parts store. These DIY remotes are similar to the factory fob but much more affordable. They can be easily connected to your vehicle with simple instructions. If you want to skip the expense and hassle of a dealership visit, NAPA offers several do-it-yourself replacements that can be reprogrammed in minutes at home.
Check the Connections
Occasionally your key fob might cease to function - even though it's still programmed to your vehicle. This could be caused by various reasons, including malfunctioning battery contacts or buttons. It is possible to fix the problem yourself by performing basic maintenance.
The first thing to do is make sure that your backup remote can lock and unlock the doors of your car. If it can't it, then you might have an issue with your primary remote. If you are still unable to do it, you can try replacing the batteries in the backup remote.
It's a great idea to take apart your key fob prior to replacing the battery and examining the circuit board. Make sure there are no cracks in the solder joints. When you're done, you can replace the battery and put back together the key fob.
Once you've replaced the battery and reassembled your key fob, you're now ready to test its connection with your vehicle. This can be accomplished by inserting a mini flathead screwdriver in the notch on the bottom of your key fob. You can then pry apart your key fob's two halves and then gently remove the circuit board. Install a brand new CR2032 3V battery with the negative side facing down. After you have reinserted your board you can put it back together. key fob.
If this does not resolve the problem, you may have a larger issue. In this instance, you will need to either call your dealer or an independent service shop that specializes in the model of your car. They can determine the problem by using a radio-frequency tester which is a device that can determine if your key fob transmits an electronic signal to the computer in your car.
I hope this guide has been helpful for anyone having trouble with their vehicle's key fob. Please contact us if you have any questions or concerns. We'll be happy to assist you in getting back on the road in Deptford or Cherry Hill!