Who Is The World's Top Expert On Fob Key Repair?

· 6 min read
Who Is The World's Top Expert On Fob Key Repair?

Key Fob Replacement and Repair

Modern car key fobs are used often and are often misused. Many times an easy replacement or repair is all that's required to restore them to working order.

Most fobs utilize flat-watch-style batteries that can be found in auto parts stores. But before you call a professional, try a few DIY fixes!

Dead Key Fob Battery

The battery of the key fob powers your car's remote and in push-to start cars it will start your engine. It is therefore crucial to maintain a functional and healthy battery. A dead key fob is an issue for anyone in the middle of nowhere. The good news is that a simple, affordable replacement can be made to fix it in a short time.

The loss of range and signal strength are the most common indicators that a battery in a keyfob is dying.  Read the Full Report  is also possible to notice that the buttons on the fob don't function or require any effort to activate.

You can often find an updated key fob battery in the auto parts section of a large box retailer or online.  broken car key repair near me  of these batteries are CR2032 and CR2025 and are available in packs of 2 or more. Consult your owner's guide before you shop for the right battery. Certain cars require a specific size or type of battery that's not always readily available at big-box retailers, so be sure to be aware of the correct specifications before you purchase.

Typically, the battery is located in the back of your key fob. It is removed by tearing the case open with a flat-blade screwdriver. It is likely to look like the shape of a small coin, and be marked with the battery's size. Make sure to note the direction the plus and minus symbols are positioned to ensure that the new battery is positioned correctly. After the replacement battery is installed, gently snap the two pieces of the fob together. Then test the buttons to ensure they work.

If your key fob still isn't working after replacing the battery, it might have been deprogrammed. In this instance you'll have to contact a locksmith for help, which will cost a bit more than replacing the battery of your key fob.

YourMechanic's experienced mechanics can repair your key fob in the event that it's damaged or the battery has failed. Set up an appointment to review the range of services we provide in your region.

Weak Signals

If your key fob doesn't respond to the buttons of the remote it could indicate that the signaling isn't working properly. Your car and key fob rely on radio signals to communicate, so weak or inconsistent signals could cause poor range and performance.


One of the first things you should examine is whether your fob's battery is insufficient, as this can significantly affect the sensitivity of your signal. Resetting the settings on the fob can also help restore a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or a call to the help line of the manufacturer is likely to be the best source of information here.

Other factors, like interference from other devices that operate on the same frequency can also contribute to weak signals. Other key fobs and wireless communication devices may interfere with the signal RF (radio-frequency) signals that your key fob sends to connect to the receiver of your vehicle.

Damage to your keyfob's physical structure can also affect the transmission of RF signal, leading to poor performance and range. A damaged or blown fuse, a broken or cracked buttons or bent fob case could interfere with the transmission of signals, causing the remote to fail to respond.

You can solve the issue by resetting your fob's settings or by replacing the battery. However, if your fob is old and damaged, it's the time to replace it all over again.

Don't forget to remember that if you have an extra key fob which is included with your vehicle, it could be used as a replacement for the primary remote in case it starts to fail. It's worth trying this solution to see if it solves the issue before you invest in an entirely new one. In this instance, it might be the right time to contact an expert auto-locksmith. They can identify the issue and suggest the most effective solution.

Physical Damage

Key fobs may have issues occasionally. Luckily, the majority of these problems are not serious or complex and can be resolved with some simple steps. It's a good idea to keep spare batteries or an additional fob in case your key stops working.

A dead battery is the most frequent reason why a key fob in a car is not working. These little devices rely on tiny lithium-ion coin or button cell batteries to function. They can be replaced easily and can be found in most pharmacies, grocery stores and shops that sell electronics. You can remove your fob's case using an screwdriver that has a flat-head and gently pull out the battery. Replace the battery, making sure it's not damaged, loose or damaged. Most fobs use CR2032 batteries, but yours may require an alternative type.

If your device loses its pairing, it can cease to respond to buttons. This could be due to a variety of factors, including changing the batteries, but is typically a simple issue to get an auto Locksmith or your local dealer to fix.

Try this trick to fix your fob in the event that none of the above methods work: remove the battery from both the car and the fob for about 10 minutes, and then reconnect them in the opposite order. This can force the system to reboot, and in some instances, this will fix the issue without any other steps.

Keep the fob away from water or other sources of damage while trying out new techniques. The fob is tough but you need to treat it with care to make it last for as long as you can.

If the suggestions above do not help, it may be time to replace your key fob. If yours has been dropped or tripped on, or subjected to other extreme environmental conditions, it may be beyond repair and in need of a replacement. If this is the case, make sure to shop around to find a bargain before making your final decision.

Lost Fob

Even with the best care, it's a fact of life that car key fobs may occasionally fail to function. It's costly to replace yours if you lose it and especially when you don't have an extra. "You could end up paying $50 to $100 for a replacement and having it programmed by a dealer, and a mechanical backup that will cost another $100," says Mel Yu an automotive analyst at Consumer Reports.

A weak battery is among the most common reasons for a keyfob's stop working. If you are familiar with how to change the battery, or if the owner's manual contains instructions, you can try it yourself. If that doesn't solve the issue, it's time to contact an expert.

A locksmith can assist you to find or replace your lost key fob. A locksmith will likely know the reason your fob stopped working in the first place. If your car is older and doesn't come with smart technology it is still possible to save money by recording the key's number plate from your mechanical backup key. It's typically hidden behind a decorative keychain. This can make it easier for the locksmith to reprogram a brand new key fob for your car should you need to do it.

If the key fob you have is a modern smart key and you want to change it, you'll need to go to a locksmith or a dealership to deprogram it and get a new one created which is more expensive than replacing it. This is because modern key fobs employ rolling-code encryption that prevents thieves from getting into the car. This means that the locksmith has to use a special programming tool which is only available to car manufacturers, which increases the cost.

In the majority of instances, you'll need to pay for the entire service at once, which includes any charges to reprogram the new key fob. Depending on the vehicle it could cost anywhere from around $20 at certain stores to $200 or more at a dealership for cars.