12 Facts About Key Fob Repair To Make You Take A Look At Other People

· 6 min read
12 Facts About Key Fob Repair To Make You Take A Look At Other People

Remote Key Fob Repair

Modern vehicles come with remote controls that can be used to lock, unlock, or start the vehicle. As with any high-tech piece equipment, there are issues.

Most of the time, these issues are simple to resolve. You can reset it by following the directions in your owner’s manual.

Check the Battery

The battery inside the fob that powers it is responsible for the remote control function. It's a small, inexpensive component that needs to be replaced on a regular basis to ensure the fob's functionality. But, aside from 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 reason. If your key fob is not functioning, replace the battery.

First, ensure you have the correct size battery. The majority of modern key fobs are powered by a three-volt CR2032 which is easily found in a variety of stores. Most 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 will help you identify the specific type of battery you need.

Open your key fob carefully and remove the current battery. Take a picture of the inside of the fob before you do so to ensure you put it back together the right way. This simple step can save you from buying a new fob if you made a mistake when making it back together.

It is also important to know that some key fobs include an additional mechanical key, referred to as an emergency blade. The key blade is situated inside the key fob and it lets you unlock the driver's door of your vehicle in the event that the remote control is not working. To open the blade of the key, locate the notch that lies in the middle of your fob. The notch is typically covered by the plastic casing of the fob.

If you want to be extra vigilant you can utilize a multimeter for checking the voltage of the battery. The majority of modern key fobs have an voltmeter embedded in their casings, however you can also purchase an extra multimeter for a few dollars from most hardware stores. Generally, the battery should read at 3.0 volts or greater. A reading lower than that could indicate the battery is on its last legs and should be replaced immediately.

Check  remote car key repairs  may appear to be modern, high-tech items of convenience however, car key fobs are not durable. It isn't unusual for these remote devices to stop working after a certain time, especially when the vehicle is being frequented or there's an excessive amount of physical abuse involving it. In most cases it's simple to spot the issue and fix it by using the remote fob. Usually all that's required is an updated battery.

Modern car key fobs come with numerous buttons that serve different functions. For example, they can be used to lock and unlock the doors and activate the panic button, and open the trunk. When a button on the fob is pressed, it transmits a radio code to a receiver inside the vehicle. Some fobs also have a button that can start the engine, which is especially handy during cold winter mornings or hot summer days.

Typically, the buttons of keys can be reset simply by taking the device apart and ensuring they're not damaged or stuck. The battery connector terminals of a key fob may be loose over time, despite the fact that they are not designed to be removed. If the button contacts have become disconnected from the circuit board and need to be soldered, a simple job can be enough to get them back on track and restore the fob to its full functionality.

In addition, if the fob has been damaged or dropped in any other way, the buttons might be damaged or out of alignment, or misaligned in any way. These problems are more difficult to repair on your own. However, a local auto shop can fix them with the right equipment and expertise.

It's always an excellent idea to have a spare fob somewhere in case one that you frequently use fails to function. You'll be able to avoid being in the middle of nowhere without your keys, or having to pay a lot to have the car taken to the dealer. Check your car insurance or car club membership or extended warranty coverage for the cost of replacing the key fob.

Check the Casing

It's not common for keys to get wet, whether from a pool, storm or even your washing machine. The resulting moisture can wreak havoc with the electronics inside, leading to many malfunctions. The good thing is that keys can typically be kept from death's edge by thoroughly drying it out and following a few easy steps.

The first step is to make sure the buttons are working correctly. This usually involves removing, cleaning and reassembling the buttons. 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 make sure there's nothing blocking the function 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 disturb the circuits that keep your key fob's programming you'll need to visit an Interstate All Battery Center or dealer to reprogram it.

After you've removed and replaced your battery, it's an ideal idea to dry the key fob by placing it into an airtight bag that contains silica gel packets. This will avoid future moisture problems and will make your key fob more robust.

If the fob does not work, you can go to a dealership, or an independent shop, that specializes in the make and model of your vehicle. They will be able to reprogram the key fob for your vehicle and hopefully return it to its full functionality.

If everything else fails, an alternative key fob from NAPA can be purchased on the internet or at a local NAPA Auto Parts store. These do-it-yourself remotes function just like the original fob, but are more affordable. They can be easily paired to your vehicle using simple instructions. If you're looking to avoid the expense and hassle of a dealership visit, NAPA offers several do-it-yourself replacements that can be re-programmed in a matter of minutes at your home.

Check the Connections


Sometimes, your key fob will simply stop working, even though it's still programmed to your vehicle. It could be due to various reasons, including damaged battery terminal contacts or buttons. If this is the case, you might be in a position to fix it yourself by doing 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 can, then you might have a problem with your main remote. If you still can't do it, you can try replacing the batteries in your backup remote.

It's a good idea to take apart your key fob prior to replacing the battery and examining the circuit board. Check for cracks in the solder joints. When you're done you can replace the battery and reassemble the key fob.

Once you've replaced the battery and reassembled the key fob, it's time to test out its connection to your vehicle. Put a flathead mini screwdriver into the notch at the bottom of the key fob. From there, you'll be able to break the two parts of your key fob and gently remove the circuit board. Carefully insert a new CR 2032 3V battery, ensuring that it's placed with the negative side facing down. After you have reinserted your board you can put it back together. key fob.

If this doesn't solve the issue, you could have a larger issue. In this case, call your dealer or a repair shop that specializes in the car's model. They can identify the issue by using a radio frequency tester that is a device that can determine if your key fob is transmitting a signal to the computer in your car.

We hope that this guide has been helpful for anyone who is having issues with their vehicle's key fob. If you have any additional questions or concerns, don't hesitate contact us for assistance. We'll be glad to assist you in getting back on the road in Deptford or Cherry Hill!