It's The Key Fob Repair Case Study You'll Never Forget
Remote Key Fob Repair
Modern vehicles come with a remote control that can be used to lock, unlock, or start the vehicle. Like any other high-tech piece of equipment, there are issues.
Usually, they are easy to resolve. You can reset it by following the directions in the owner's manual.
Check the Battery
The battery in a key fob powers the remote control function. The battery is a tiny, inexpensive part that needs to be replaced regularly to ensure the function of the device. But, aside from the battery, there could be other reasons your fob might not be functioning properly. This could be due to physical damage, exposure to water, or internal component failure. If your key fob is not working then replace the battery.
First, ensure you have the right size battery. Nearly 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. Most of these batteries are marked with the size on one of the edges of the fob. You can identify the kind of battery your car requires by searching for the brand name.
Take your key fob apart carefully and remove the current battery. Take a photo of the inside of the fob before you do this to ensure you put everything back together correctly. This simple step could save you from needing to purchase a new fob because you made an error when putting it back together.
It is also important to know that some key fobs have an additional mechanical key, called an emergency blade. The key blade is within the key fob and allows you to unlock the driver's door of your vehicle in the event that the remote control is not working. In order to access the key blade, you'll need to locate the notch in the center of the fob. The notch is typically a circle hidden by the plastic casing of the fob.
If you're looking to test the battery's voltage with more care, make use of a multimeter. The majority of modern key fobs have a built-in voltmeter, but you can purchase a multimeter at most hardware shops for a few bucks. Generally, the battery should read at 3.0 volts or more. A reading that is lower than that could indicate a battery that is in its final stages and should be replaced immediately.
Check the Buttons
They may look like sophisticated, luxurious convenience items, but keys for cars aren't durable. Remotes can stop functioning after a period of time, particularly when they are used frequently or if they have been exposed to physical abuse. Fortunately, the majority of times, it's simple to identify and repair a problem with the remote key fob and changing the battery is often all that's needed.
Modern car key fobs include numerous buttons that serve different functions. For example they can lock and unlock the doors, activate the panic button and even open the trunk. When you press a button the fob transmits the radio signal using the code that is interpreted by a receiver located inside the car. Certain fobs come with a button to start the car, which is especially useful on cold winter mornings and hot summer days.
Typically, the buttons on keys can be reset simply by snapping the device apart and ensuring they're not broken or stuck. Key fobs aren't typically designed to be disassembled however the battery connector terminals on a key fob can be loose over time. Soldering is a method to reconnect the button contacts to the circuit board in case they've been cut off. This will restore the fob's functionality.
In addition, if the fob has been damaged or dropped in any other way, the buttons may be broken, out of alignment or misaligned. These types of problems are typically more difficult to solve on your own, but they can be resolved by a local auto shop with the right equipment and experience.
Keep remote car key repairs in a safe place in case the one you use frequently stops working. how to repair car key fob 'll avoid being stuck in the in the middle of nowhere with no keys, or paying an enormous amount to have the car transported to the dealer. It is also advisable to check your car insurance policy, car club membership or extended warranty coverage to see if it will cover the cost of replacing or programming the new fob.
Check the Casing
It's not unusual for the key fob to become wet, whether from a pool, a rainstorm or even your washing machine. The resulting moisture can wreak havoc with the electronics inside, leading to many malfunctions. The good part is that the key fob can usually be saved from a cliff by drying out thoroughly and following a few easy steps.
First, make sure whether the buttons are working correctly. This usually means removing the buttons, cleaning them and reassembling them. If the buttons aren't functioning or appear to be able to open, it could be time to replace your remote.
You'll also want to check the case to ensure there's nothing blocking the operation of the key fob. Open the case with tweezers and remove the battery. Don't disassemble the circuit board or antennas. If you damage 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 your battery, it's an ideal idea to dry the key fob out by putting it in a plastic bag containing silica gel packets. This will prevent future moisture issues and make your key fob last longer.
If the fob is still not working properly, you'll need to visit a dealership or an independent shop that specializes in your specific model and make of vehicle. They can reprogram the key fob to your vehicle, and hopefully restore the function to its original state.
If all else fails If all else fails, you can buy a replacement keyfob online or at your local NAPA Auto Parts shop. These do-it-yourself-operated remotes look like your factory fob, however, they are more affordable and can be easily paired with your vehicle by following simple instructions. If you're looking to avoid the cost and hassle of a trip to the dealership, NAPA offers several do-it-yourself replacements that can be reprogrammed within a matter of minutes at home.
Check the Connections

Occasionally your key fob might just stop working - even though it's programmed to your vehicle. This could be due a variety of reasons, including broken battery terminal buttons or contacts. If this is the case, you might be capable of fixing it yourself by doing some basic maintenance.
You should first confirm whether your backup remote is capable of locking and unlocking the doors of your vehicle. If it can't it, then you might have issues with your primary remote. If you're still having trouble doing it, try replacing the batteries in your backup remote.
Before replacing the battery, it's a good idea to pull apart your key fob and conduct an inspection of the circuit board. Make sure there are no cracks in the solder joints. Once you're done replacing the battery in your key fob and reassemble it.
Once you've replaced your battery and reassembled the key fob, you're now ready to test its connection with your vehicle. Insert a flathead mini screwdriver into the notch on the bottom of the key fob. You can then break your key fob's two halves and gently remove the circuitboard. Install a brand new CR2032 3V battery with the negative side facing downwards. Once you've reinserted the circuit board, you are able to reassemble the key fob and try again.
If this doesn't work, you have a bigger issue. In this case, call your dealer or a repair shop that specializes in your car's make. They can determine the problem with a radio-frequency analyzer, which is a device that can determine whether your key fob sends signals to the car's computer.
We hope that this guide has been useful to anyone experiencing issues with their car's key fob. Contact us if you have any questions or concerns. We'll be glad to help you get on the road again in Deptford or Cherry Hill.