Key Fob Replacement and Repair
Modern car key fobs are used a great deal and are often abused. Sometimes just a simple replacement or repair is all that's required to restore them to good working order.
The majority of fobs are made with flat watch-style batteries, which are easy to find in hardware stores and auto parts retailers. Before calling in a professional, you can do a few DIY fixes.
Dead Key Fob Batteries
The battery in the key fob's remote powers your car's remote and in push-to start cars, it can start your engine. Therefore, it is crucial to maintain an active, healthy battery. When you're on the move and your key fob is not working, it could be a major issue. The good news is that a simple, inexpensive replacement is able to fix the issue quickly.
The most common indication that a battery on a key fob is depleting is the loss of signal strength and range. You might also find that the buttons on your fob don't function or require any effort to turn on.
A new key fob is available in the auto part section of a large retailer or online. They are typically CR2032 and CR2025 and are available in packs of 2 or more. Check out the owner's manual before you shop for the right battery. Certain cars require a specific size or type of battery that isn't always in stock at big-box stores, so be sure to be aware of the correct specifications before you purchase.
Typically, the battery is located on the back of your key fob and is removed by tearing the case open using the flat-blade screwdriver. The battery will look similar to tiny coins, and it will be labeled according to its size. Be sure to note which way the plus and minus symbols are placed to ensure that the new battery is properly placed. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together and test the buttons.
It's worth noting that in the event that your key fob continues to not function, even after a battery replacement, it may have been deprogrammed. In this case, a locksmith will be required to assist. This is more expensive than replacing the battery in the key fob.
The skilled mechanics at YourMechanic are able to repair your key fob in the event that it's damaged or the battery has died. Set up an appointment to review all the services we offer in your area.
Weak Signals
If your key fob isn't able to respond to the buttons of the remote it could be an indication that the signaling system is not working correctly. Radio signals are used to communicate between your car and the key fob. Inconsistent or weak radio signals can cause poor performance and range.
One of the first things to examine is whether your fob's battery is low because this could significantly affect the sensitivity of the signal. It's also advisable to reset the settings of your fob, which can help to bring back a more consistent response from the car. The process will vary from vehicle to vehicle. The owner's manual or a call to the manufacturer's support line is your best resource.
Other factors, like interference from other devices operating on the same frequency, can also affect weak signals. Power lines and other key fobs wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Furthermore physical damage to your key fob may affect the transmission of signals RF, which may result in poor performance and range. key fob repairs , a damaged or cracked button or bent fob case can interfere with the transmission of signals, causing the remote to not respond.
There are some simple steps you can follow to try and solve the issue of weak signals from your fob, like resetting the fob's settings, or replacing the battery. If your fob is old and worn, it could be the right time to replace it.
Don't forget to remember that if you have an extra key fob which is part of your vehicle, this can be used in place of the primary remote in case it begins to fail. You should try this solution first to see if it can solve the issue prior to buying another remote. If not, it could be the perfect moment to call an expert auto locksmith. They will be able diagnose the issue and recommend the best course of action.
Physical Damage
It's not unusual for key fobs to encounter problems from time to time. Fortunately, most of these problems are not complicated or a major issue and can be fixed by following a few simple steps. It's also a good idea to keep spare batteries or another fob in case your key ever stops working.
The most common reason for car keys not working is an inactive battery. These tiny devices are powered by lithium-ion button or coin cell batteries. These batteries are easily replaceable and can be purchased at most pharmacies and grocery stores. You can open your fob's casing using an screwdriver that has a flat-head and gently pry out the battery. Replace the battery, ensuring that it's not damaged, loose or damaged. Most fobs use CR2032 batteries. However, yours may require an alternative type.
Your fob might also stop responding to buttons when it loses its connection with your car. This could be due to a variety of factors, such as changing the batteries, but is typically a simple issue to get an auto Locksmith or your local dealership to resolve.
You can try this trick to fix your fob if none of the above methods work: Disconnect the battery from both the car and the fob for around ten minutes, and then reconnect them in the opposite order. This could trigger a reboot within the system and in some cases this will fix the issue without requiring any of the other steps.
Keep the fob away from water or other sources of damage while you are experimenting. Fobs can be quite sturdy, but you need to take care with it when you want it to last as long as possible.
If all of the above troubleshooting suggestions do not help, it may be time to replace your key fob. If it's been dropped or tripped on, or subjected to other harsh environmental conditions it may be beyond repair and requires a replacement. Look around for the best deal.
Lost Fob
Even with the best of care, car key fobs may fail to function. If yours is lost, it could be very expensive to replace it--especially in the event that you don't have spare. "You could end up paying $50 to $100 for a replacement, and having it programmed by the dealer, plus mechanical backups that could cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is among the most frequent reasons for a keyfob's device to stop working. If you are familiar with how to replace the battery, or if your owner's guide has instructions, you can attempt it yourself. If that doesn't work you'll have to call an expert.
A locksmith can assist you to find or replace your lost key fob. A locksmith will probably know the reason your fob stopped working in the first in the first place. If your car is old and doesn't come with smart technology, you can still save money by recording the key's number plate from your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. If you're looking to change the programming of the key fob of your car the locksmith can do it more easily.
If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or dealer. This can cost more than simply replacing it. The reason is that modern key fobs employ rolling-code encryption that prevents thieves from gaining access to the car. This means that locksmiths need a special programing tool that only the car manufacturer has, which increases the overall cost.
In the majority of cases, the entire process will be charged one time. This includes all costs for reprogramming a new keyfob. This can range from $20 at some shops to more than $200 at car dealerships, depending on the vehicle.