Remote Key Fob Repair
Modern vehicles come with remote controls that can be used to lock, unlock and start the vehicle. As with any high-tech piece equipment, there can be problems.
Usually these are very simple to resolve. It is as easy as resetting the device and you should be able accomplish by following the resetting instructions in the owner's manual.
Check the Battery
The battery inside a key fob powers the remote control function. The battery is a tiny, inexpensive part that needs to be replaced on a regular basis to maintain the functionality of the fob. However, in web page to the battery, there are other reasons why your key fob might not be functioning properly. Physical damage, water exposure or internal component failure could be the cause. If your key fob is not functioning then replace the battery.
First, make sure you have the correct size battery. Almost all modern key fobs are powered by the standard CR2032 three-volt battery that is easily accessible at a variety of stores. The majority of these batteries are engraved with the size on one of the fob's edges. You can find the kind of battery your car requires by searching for the brand name.
Once you have the proper battery, carefully open the key fob and remove its existing battery. Take a photo of the inside of the fob before you do so to ensure you put everything back together in the correct way. This simple step can save you from having to purchase another fob because you made an error when making it back together.
You should also be aware that certain key fobs come with an alternate mechanical key, also known as an emergency blade. It's located inside the key fob and permits you to open your car's driver's side door in case the remote control doesn't work. To open the blade of the key, locate the notch in the middle of the fob. The notch is typically a circle that's hidden by the fob's plastic casing.
If you're looking to be extra cautious you can make use of a multimeter to test the voltage of the battery. The majority of modern key fobs come with an integrated voltmeter, however you can get a multimeter in most hardware shops for a few bucks. Generally speaking, the battery should read at 3.0 volts or higher. If it is below that level, it could indicate that the battery is 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 impervious to destruction. It's not uncommon for these remotes to fail after a time, particularly if the vehicle is used frequently or if there is an excessive amount of physical abuse involving it. Most of the time it is easy to identify an issue and fix it by using a remote fob. Most of the time all that's required is an updated battery.
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 the button is pressed the fob sends out the radio signal using an identification code that can be recognized by a receiver inside the car. Some fobs have buttons to start the car, which is useful on cold winter mornings as well as hot summer days.
The buttons on a key fob reset by snapping it apart and checking that they're not broken or stuck. Key fobs aren't usually designed to be taken apart however, the battery connectors on a key fob may get loose over time. Soldering is a way to connect the button contacts to the circuit board in case they've been cut off. This will allow the fob to function again.
If a fob is damaged or dropped, the buttons might be damaged, misaligned, or out of alignment. These kinds of issues are generally more difficult to repair on your own but they can be resolved by a local auto shop with the proper tools and experience.
Keep a spare key fob in an area that is secure in case the one you use frequently stops working. This can keep you from being left without your keys or needing to pay a significant amount of money to get the vehicle towed back to the dealer. Check your car insurance, car club membership, or extended warranty coverage for the cost of replacing a new key fob.
Check the Casing
It's not common for the key fob to become wet, whether from a pool, a rainstorm, or even your washing machine. The resultant moisture can cause havoc with the electronics inside, leading to a host of malfunctions. The good part is that keys can typically be kept from death's edge by drying it thoroughly and following a few simple steps.
First, make sure whether the buttons function properly. This usually involves removing the buttons, cleaning them and rebuilding them. If the buttons don't click back in or are stuck, it's time to replace the remote.
Examine the case to make sure that nothing is interfering in the operation of the key fob. Open the case with tweezers and take out the battery. Don't remove the antennas or circuit board. They have electric current flowing through them that keep the key fob's programming to your vehicle. And if you disturb those circuits, you'll have to visit a dealer or an Interstate All Battery Center location to re-program it.
After you've removed and replaced the battery, it's recommended to dry the key fob by placing it in the bag of a plastic bag with silica gel packets. This will avoid future problems with moisture and make your key fob more robust.
If the fob still doesn't work, you can visit a dealership or an independent shop that is focused on the model and make of your vehicle. They can reprogram the key fob for your vehicle, and hopefully restore it to its full functionality.
If everything else fails, the replacement key fob offered by NAPA can be purchased online or at your local NAPA Auto Parts store. These DIY remotes are just like the factory fob but much more affordable. They are easily paired to your vehicle using simple instructions. If you're looking to avoid the expense and hassle of a visit to a dealer, NAPA offers several do-it-yourself replacements that can be re-programmed in minutes at home.
Check the Connections
Sometimes your key fob might simply stop working, even though it's still programmed to your vehicle. This could be caused by a number of factors that include malfunctioning contacts on the battery or buttons. It is possible to fix the problem yourself by performing some basic maintenance.
It is important to first verify that your backup remote is able to lock and unlock the doors of your vehicle. If it can't then there could be an issue with your primary remote. If not, then it's time to try replacing the battery in your backup remote.
Before you replace the battery it's a good idea to pull off the key fob and perform a visual examination of the circuit board. You'll want to ensure that there aren't any damaged solder joints that must be repaired by re-soldering. After you're finished replacing the battery in your key fob and put it back together.
After you have replaced the battery and reassembled the key fob, make sure you test the connection to your vehicle. Use a flathead screwdriver in the notch at the bottom of the key fob. You can then break the two halves of your key fob and remove the circuitboard gently. Make sure to insert a brand new CR 2032 3V battery, ensuring that it's placed with the negative side facing downwards. Once you've successfully inserted the circuit board, you can put it back together and try again.
If this doesn't work, then you may have a larger issue. In this instance, you should call your dealer or a repair shop that specializes in the make of your vehicle. They can diagnose the problem with a radio frequency test which is a gadget that can determine if your key fob is transmitting signals to the car's computer.
This guide is intended to be of assistance to anyone who is having issues with their car key fob. If you have any further questions or concerns, don't hesitate reach us for assistance. We'll be happy to assist you getting back on the road in Deptford or Cherry Hill!