Key Fob Replacement and Repair
Modern car key fobs are utilized frequently and are often abused. In many cases, a simple repair or replacement is all it takes to get them back in working good working order.
Most fobs utilize flat watch-style batteries that are easy to find in auto parts stores. Before calling in an expert, try a few DIY fixes.
Dead Key Fob Batteries
The battery in the key fob powers the remote function in your car. It also, with push-to start vehicles, permits it to start your engine. This is why it is crucial to maintain an efficient, functioning battery. A dead key fob can be an issue for anyone on-the-go. The good news is that a cheap, simple replacement can be made to fix it in a short time.
The most common sign that a key fob's battery is dying is the decrease in signal strength and range. You may also notice the buttons on your key fob aren't working or require additional effort.
A new key fob can be found in the auto part section of a major retailer or on the internet. They are typically CR2032 or CR2025 batteries and are available in packs of two or more. Make sure to consult your owner's manual prior to you decide on the best battery. Certain vehicles require a certain size or type of battery that isn't always available at big-box retailers So, make sure you be aware of the correct specifications before you purchase.
The battery is typically located in the back of the key fob. It is removed using the flat-bladed screwdriver, by removing the case. The battery will look like a small coin and be labeled based on its size. Make sure to note the direction the plus and minus symbols are placed to ensure that the new battery is placed correctly. 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.
If your key fob doesn't work after replacing the battery, it could be deprogrammed. In this case it is likely that a locksmith will be required to assist. This will cost more than replacing the battery in the key fob.
If your fob's battery is dying or you're having other issues with your fob's battery an experienced mechanic such as one from YourMechanic can examine and fix it to get you back on the road. Make sure you check out all of our services available in your area and schedule an appointment now!
Weak Signals
If you notice 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 poor performance and range.
Checking the battery level of your fob is a good idea, as it can affect signal sensitivity. It is also recommended to reset the fob's settings that can help restore an even and consistent response from the car. The procedure varies from vehicle to vehicle, so the owner's manual or call to the help line of the manufacturer is probably the best resource here.
Other factors, including interference from other devices that operate on the same frequency, can also cause weak signals. Power lines as well as other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle.
Finally physical damage to your key fob can also interfere with the transmission of RF signals which could result in a decrease in range and performance. A blown fuses, a damaged or cracked button, or a bent case on the fob could affect signal transmission and cause the remote not to respond.
There are a few easy steps you can follow to try and solve the issue of weak fob signals such as resetting the fob's settings or replacing the battery. If, however, your fob is old and damaged, it's time to replace it altogether.
Also, don't forget if you have an extra key fob which comes with your vehicle, it can be used as a replacement for the primary remote in the event that it begins to fail. You should test this option first to determine if you can resolve the issue before buying a new remote. If not, it might be the right time to contact an experienced auto locksmith. They will be able to identify the issue and suggest the best course of action.
Physical Damage
It's not unusual for key fobs to encounter issues from time to time. Fortunately, most of these issues aren't complicated or a major issue and can be resolved with a few easy steps. It's recommended to have spare batteries or even another key fob in the event that one of your keys ever ceases to function.
A dead battery is the most frequent reason for a car keyfob not working. These tiny devices are powered by lithium-ion button or coin cell batteries. They are easily replaced and can be found at most pharmacies and stores. car key circuit board repair can be opened using a flat-headed screwdriver and gently remove the battery you have. Ensure that it is not damaged or loose, and then insert an alternative battery. Most fobs utilize CR2032 batteries, but yours may require an alternative type.
The fob may also stop responding to the buttons if it loses its pairing with the car. This can be caused by various reasons like changing the batteries. However, an auto Locksmith or a local dealer is usually able to repair the issue.
If none of the strategies above work, you can try this method: disconnect the battery from the car and the fob for a short period of time and then connect them in a reverse order. This can force the system to restart and in some instances it can fix the issue without further steps.
Keep the fob out of water or other sources of harm while you're playing around. The fob is tough, but you should treat it with care to ensure it lasts for as long as you can.
If all of the suggestions above aren't working, it could be time to replace your key fob. If it's been dropped or trampled upon, or exposed to harsh conditions, it might not be repairable and will require a replacement. Look around for the most affordable price.
Lost Fob
Even with the best care it's a fact of the road that car key fobs will sometimes cease to function. If you lose yours, it can be extremely expensive to replace it, particularly when you don't have a spare. "You could end up paying between $50 and $100 for a replacement and getting it programmed by the dealer, as well as mechanical backups that could cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is among the most frequent reasons for a keyfob to stop working. If you are familiar with how to change the battery, or if your owner's manual has instructions, you can attempt it yourself. If this doesn't resolve the problem, it's time to call in an expert.
A locksmith will be in a position to assist you in finding your lost fob, or get it replaced. They'll also probably have a good idea of the reason your fob stopped working in the first instance. If your car is older and does not have smart technology built in it is still possible to save money by recording the key number plate from your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. This can make it easier for a locksmith to reprogram a brand new key fob for your car in the event that you need to do so.
If your key fob is an older smart key, it will need to be deprogrammed by a locksmith or dealer. This can cost more than replacing it. Modern key fobs are secured by rolling-code encryption, which prevents thieves from getting access to the car. This means that the locksmith must use a special software program which is only available to car manufacturers, which can increase the cost.
In most instances, you'll have to pay for the entire service at once, which includes the cost of programming a new key fob. Based on the car, that can run from a mere $20 at some shops to $200 or more at a car dealership.