15 Things You Don't Know About Fob Key Repair

15 Things You Don't Know About Fob Key Repair

Key Fob Replacement and Repair

Modern car key fobs are utilized a great deal and are frequently abused. In most cases, an easy repair or replacement is all you need to make them functional again.

The majority of fobs are made with flat watch-style batteries that are readily available in hardware stores and auto parts retailers. Before calling in an expert, try a few DIY fixes.

Dead Key Fob Batteries

The battery for the key fob power the remote function in your car. It also, with push-to-start vehicles, allows it to start your engine. It is therefore important to maintain a functional and healthy battery. When you're out and about and your key fob is not working, it can be a huge problem. A simple, inexpensive replacement will fix the problem quickly.

The loss of range and signal strength are the most frequent indications that a battery on a keyfob is dying. You may also notice the buttons on your key fob aren't working or require additional effort.

It is common to find the latest key fob batteries in the auto parts section of a large box store or on the internet. Typically, they're CR2032 or CR2025 batteries that are available in packs of two or more. Make sure to consult your owner's manual prior to you shop for the right battery. Certain cars require a specific size or type of battery that's not always available at big-box retailers Be sure to be aware of the correct specifications before you purchase.

The battery is usually located in the back of the key fob. It can be removed using a flat-bladed screwdriver by opening the case. It will usually resemble the shape of a small coin, and be labelled with the battery's size. Make sure to note the way the plus and minus symbols are placed to ensure that the new battery is positioned correctly. After the battery has been replaced then gently snap the two pieces of the fob back together, and test the buttons.

If your key fob still does not work after replacing the battery, it could be deprogrammed. In this case you'll need to call locksmiths for assistance which will cost a bit more than replacing the key fob battery.

The skilled mechanics at YourMechanic are able to repair your key fob in the event that it's damaged or the battery has died. Be sure to check out all of our services available in your area and schedule an appointment today!

Weak Signals



If you find that your key fob isn't responding as you would expect to the buttons on the remote, it could be an indication of a problem with the signaling. Radio signals are used to send messages between your car and the key fob. Poor or inconsistent radio signals can lead to low performance and limited range.

One of the first things to examine is whether the battery of your fob is depleted since this can greatly impact signal sensitivity. It's also advisable to reset the settings of your fob and help restore a more consistent response from the car. The procedure differs from vehicle to vehicle, so your owner's manual or a phone call to the help line of the manufacturer is likely to be the best source of information here.

Other factors, such as interference from other devices that operate on the same frequency can also cause weak signals. Other key fobs and wireless communication devices may interfere with the RF (radio-frequency) signals your key fob transmits to connect to the vehicle's receiver.

Finally, physical damage to your key fob could affect the transmission of RF signals which could result in a decrease in range and performance. A blown fuse, a damaged or cracked button, or a bent case of the fob could affect the transmission of signals and cause the remote not to respond.

There are a few simple steps you can try to and fix the problem of weak fob signals, such as resetting the fob's settings, or replacing the battery. If your fob is old and worn, it may be the right time to replace it.

Don't forget to remember that if you have an extra key fob which is included with your vehicle, it could be used in place of the primary remote in the event that it starts to fail. It's worth trying this option to see if it can solve the issue before investing in an entirely new one. If not, it might be the best time to consult a professional auto locksmith. They will be able to identify the issue and suggest the best method of action.

Physical Damage

It's not uncommon for key fobs to encounter problems from time to time. The majority of these issues aren't complex or severe and can be fixed by following a few easy steps. It's a good idea also to keep spare batteries or another fob in case your key stops working.

A dead battery is the main reason why a key fob in a car is not working. These tiny devices rely on tiny lithium-ion coin or button cell batteries to function. They can be replaced and are available at most pharmacies and stores. You can access the fob's shell with a screwdriver with a flat head and gently pry out the existing battery. Replace the battery, ensuring that it's not damaged, loose or damaged. Most fobs use CR2032 batteries. However, yours might require a different type.

Your fob could also stop responding to the buttons if it loses its connection to the car. This could be due to various reasons including changing the batteries. However, an auto Locksmith or a local dealership is usually able to repair the issue.

You can try this method to fix your fob in the event that none of the above methods work: disconnect the battery from both the car and the fob for around ten minutes, then reconnect them in the opposite order. This may cause the system to reboot, and in some cases, this will fix the issue without additional steps.

While you're experimenting with the fob, be sure to keep it clear of water and other sources of damage.  More Tips  is a durable device but you need to treat it with care to ensure that it lasts as long as it can.

If none of the troubleshooting techniques above help, you may need to replace your key fob. If yours has been dropped or tripped over, or exposed to other harsh environmental conditions it may be beyond repair and may require an upgrade. Find the most competitive price.

Lost Fob

Even with the best care it's a fact in life that car key fobs may occasionally fail to function. It can be expensive to replace yours in the event that you lose it and especially when you don't have an extra. "You could end up paying $50 or more to purchase a new replacement from a dealer and get it programmed, plus a new mechanical backup which will cost at least another $100," says Mel Yu who is an automotive analyst at Consumer Reports.

One of the most frequent reasons for a key fob's device to stop working is a basic problem, such as a weak battery. If you know how to replace the battery, or if your owner's manual contains instructions, you can try it yourself. If that doesn't solve the issue, it's time to get help from an expert.

A locksmith can assist you to replace or locate your lost key fob. They'll also probably have an idea of why your fob was not working in the first place. If your vehicle is an older model that has no smart technology built-in it is possible to save money by finding the key number plate that is on your existing mechanical backup key (it's typically hidden behind a decorative keychain ornament) and storing it in a safe place--such as your wallet or on your phone. 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 your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or a car dealer. This could cost more than simply replacing it. This is because modern key fobs utilize rolling-code encryption to prevent thieves from getting into the car. This means that locksmiths need an exclusive programming tool that only the vehicle manufacturer is equipped with, which adds to the overall expense.

In most instances, you'll need to pay for the entire service at once, which includes the cost of programming a new key fob. Depending on the vehicle, that can run from around $20 at certain stores to $200 or more at a car dealership.