15 Terms Everybody Is In The Key Fob Repair Industry Should Know

· 6 min read
15 Terms Everybody Is In The Key Fob Repair Industry Should Know

Remote Key Fob Repair

Modern vehicles come with remote controls that can be used to lock, unlock and start the vehicle. Like any high-tech piece of equipment, there can be problems.

These are usually very easy to fix. You can reset it by following the steps in the manual of your owner.

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 frequently in order to maintain the functionality of the key fob. But, aside from the battery, there could be other reasons why your key fob may not be working. Water exposure, physical damage or internal component failure could be the cause. Whatever the reason when your key fob isn't responding, it's time to replace its battery.

Ensure you have the correct size battery. Almost all modern key fobs utilize a common three-volt CR2032 battery that is easily accessible at a variety of stores. The majority of these batteries are engraved with the size on one of the edges of the fob. You can find the type of battery your vehicle requires by searching for the brand name.

Open your key fob carefully and take out the original battery. Take a picture of the inside of the fob prior to you do this to ensure you put it back together the right way. This simple step can save you from having to purchase an entirely new fob if you made a mistake when putting it back together.

It is also important to know that certain key fobs come with a backup mechanical key, called an emergency blade. This is found inside the fob's key and allows you to open the driver's side door in the event that your remote control isn't working. To open the blade of the key, you must locate the notch in the middle of your fob. The notch is usually a circle that's hidden by the fob's plastic casing.

If you'd like to be extra vigilant you can use a multimeter to check the voltage of the battery. Most modern key fobs have an voltmeter embedded in their casings, however you can also purchase a multimeter for just a few dollars at most hardware stores. The battery should generally read at 3.0 volts or higher. A reading that is lower than that could indicate a battery in its last stages and should be replaced immediately.

Check the Buttons

Key fobs for cars may appear like little more than fancy high-tech items for convenience however, they're not indestructible. These remote devices can stop functioning after a period of time, particularly if they are used often or if they were subjected to physical abuse. In most cases, it's easy to diagnose the issue and fix it with a remote fob. In most cases all that's needed is an updated battery.

Many modern-day car keys have multiple buttons for different functions, such as locking and unlocking doors as well as 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 also come with a button that will start the engine, which is particularly useful on cold winter mornings or hot summer days.

The buttons on a key fob reset by taking it apart and checking that 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 get loose over time. Soldering is a way to reconnect the button contacts to the circuit board if they've been cut off. This will bring back the fob's functionality.

If a fob gets damaged or dropped, the buttons might be damaged, misaligned, or out of alignment. These problems are more difficult to fix by yourself. However an auto repair shop in your area can fix them using the right equipment and expertise.

It's always an excellent idea to have an extra key somewhere in the event that one you regularly use stops working. You can avoid being stranded in the middle of nowhere without your keys, or paying a lot to have the vehicle taken to the dealer. It is also advisable to look over your insurance policy for your car or car club membership extended warranty coverage to see whether it covers the cost of replacing or programming the new fob.

Check the Casing

It's not unusual for a key fob to get wet, whether from a pool, rainstorm, or even your washing machine. The resultant moisture can cause destruction on the electronics inside, causing a host of malfunctions. The good news is that keys can typically be saved from the brink of death by drying out thoroughly and following a few easy steps.

The first step is to ensure that the buttons are functioning properly. This usually involves taking them out and cleaning 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's nothing blocking the function of the key fob. Use  key repair near me  to open the case and remove the battery but don't disassemble the circuit board or antennas. These batteries have electric current flowing through them that keep the key fob's programed to your car, and if you disturb those circuits, you'll need to visit a dealer or an Interstate All Battery Center location to re-program it.

After you have removed and replaced your battery, it's a good idea for you to dry the key fob out by placing it in a plastic bag containing silica gel packets. This will avoid any future issues with moisture and make your key fob more durable.

If, after all this, the fob isn't functioning properly, you'll have to visit a dealership or an independent shop that specializes in your specific make and model of vehicle. They can reprogramme the key fob for your vehicle, and hopefully restore its full functionality.

If nothing else works, you can purchase a replacement keyfob online or in your local NAPA Auto Parts shop. These DIY remotes look as the factory key fob but are much less expensive and are able to be paired with your vehicle by following simple instructions. NAPA offers a number of do-it yourself replacements that can be programmed in a matter of minutes.

Check the Connections

Occasionally, your key fob will cease to function - even though it's programmed to your vehicle. This could be due to various reasons, including damaged battery terminal buttons or contacts. It is possible to solve the issue yourself by performing basic maintenance.



You should first confirm that your backup remote is able to lock and unlock the doors of your car. If it does, you may have issues with your primary remote. If you aren't able to, it's time to try replacing the battery in the backup remote.

It's a great idea to disassemble your key fob prior to replacing the battery and then inspect the circuit board. You'll want to ensure that there aren't any damaged solder joints that must be re-soldering. When you're done you can replace the battery and rebuild the key fob.

After you have replaced the battery and reassembled your key fob, you should test the connection to your vehicle. Put a flathead mini screwdriver into the notch at the bottom of the key fob. You can then pry apart the two halves of your key fob and gently remove the circuitboard. Make sure to insert a brand new CR 2032 3V battery, ensuring that it's inserted with the negative side facing down. Once you've reinserted the circuit board, you can rebuild the key fob and try again.

If this doesn't work for you, then you may have a larger issue. If this is the case, contact your dealer or a repair shop that is specialized in the make of your vehicle. They can diagnose the issue by using a radio-frequency tester an instrument that determines if your key fob transmits an electronic signal to the car's computer.

We hope that this guide has been useful for anyone who is experiencing issues with their car's key fob. If you have any other questions or issues, don't hesitate reach us for assistance. We'll be happy to help you get back on the road again in Deptford or Cherry Hill.