Key Fob Replacement and Repair
Key fobs on modern automobiles do a lot of work and are subject to a lot of abuse. In many cases an easy repair or replacement is all it takes to bring them back into working in good condition.
Most fobs utilize flat watch-style batteries, which are easy to find in hardware stores and auto parts retailers. However, before calling an expert, you can try a few DIY solutions!
Dead Key Fob Batteries
The key fob's battery powers your car's remote and in push-to start cars, it can start your engine. Therefore, it is crucial to maintain an efficient, functioning battery. A dead key fob is a major problem when you're on-the-go. A simple, inexpensive replacement will solve the issue quickly.
The loss of range and signal strength are among the most commonly observed indications that a battery on a keyfob is dying. It is also possible to find that the buttons on your fob don't work or require extra effort to activate.
A new key fob can be found in the auto parts section of a large retailer or online. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Check out the owner's manual before you purchase the correct battery. Certain vehicles require a certain size or type of battery that's not always available at big-box retailers So, make sure you be aware of the correct specifications before you purchase.
The battery is usually found on the back of the key fob. It can be removed with the flat-bladed screwdriver, by opening the case. It is likely to look like the shape of a small coin, and be labeled with the battery size. Be sure to note which way the plus and minus symbols are oriented to ensure that the new battery is properly placed. After the replacement battery is installed, gently snap the two pieces of the fob together and test the buttons to ensure they work.
If your key fob doesn't work after replacing the battery, it might be deprogrammed. In this case it is likely that a locksmith will be needed to help you. This is more expensive than replacing the battery of your key fob.
The skilled mechanics at YourMechanic are able to repair your key fob if it is damaged or if the battery has died. Schedule an appointment to see all the services we offer in your local area.
Weak Signals
If you find that your key fob isn't responding to the buttons on the remote, it could be a sign of a problem with the signaling. Your car and key fob rely on radio signals to communicate, therefore weak or inconsistant signals can cause poor range and performance.
One of the first things to determine is if your fob's battery is insufficient since this can greatly affect the sensitivity of the signal. Resetting the settings of 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 probably the best source of information here.
Other factors, including interference from other devices operating at the same frequency can also contribute to weak signals. Other key fobs as well as wireless communication devices could interfere with the radio frequency (radio-frequency) signals that your key fob sends to connect to the vehicle's receiver.
Damage to your keyfob's physical structure can affect the transmission of RF signal, leading to low performance and a limited range. A blown fuse, a damaged or cracked button or a bent case could affect the transmission of signals and cause the remote to not respond.
There are a few simple steps you can try to and solve the issue of weak fob signals such as resetting the fob's settings, or replacing the battery. However, if your fob is damaged, it's time to replace it altogether.
Don't forget to use the spare remote that came with your car if your primary remote begins to fail. It's a good idea to try this method to see if it solves the issue before investing in the new one. If not, it might be the perfect time to contact an expert auto locksmith. They can identify the issue and recommend the best way to proceed.
Physical Damage
It's not uncommon for key fobs to have issues from time-to-time. Most of the time, these issues are not complex or serious and can be resolved with a few simple steps. It's recommended to keep spare batteries or another fob available in case one of your keys ceases to function.
key fob repairs for car keys not working is the battery is dead. These tiny devices are powered by lithium-ion button or coin cell batteries. These are easily replaced and can be found in most pharmacies, grocery stores, and other places that sell electronics. You can open the case of the fob using a screwdriver with a flat head and gently remove your existing battery. Replace the battery, ensuring it's not damaged, loose or damaged. Most fobs utilize CR2032 batteries, but yours may require a different type.
If your device loses its pairing, it can stop responding to buttons. This could be due to a variety of reasons, including changing the batteries, but it is usually easy to get an auto Locksmith or your local dealership to fix.
If none of the strategies above work, you can try this method: disconnect the battery from the car and the fob for a few minutes and then reconnect them in reverse order. This can force the system to restart, and in some cases, this will fix the issue without additional steps.
Keep the fob clear of water or other sources of damage while you are playing around. A fob is durable, but you should take care of it to make it last as long as it can.
If none of the troubleshooting procedures above help you, it may be necessary to replace your key fob. If yours has been dropped or tripped on, or subjected to other environmental hazards, it could be beyond repair and may require a replacement. If this is the case, be sure to look around to find a bargain before making your final decision.
Lost Fob
Even with the best care it's a fact in life that car key fobs may occasionally stop working. If you lose yours, it could be a huge expense to replace it--especially in the event that you don't have spare. "You might end up paying $50 or more to get a new replacement from the dealer and have it programmed, plus a new mechanical backup which will cost at most another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most frequent reasons for a key fob's device to not function is a simple issue, such as a weak battery. You can try changing the battery yourself if you know how or consult your owner's manual. If this doesn't work, you'll need to contact an expert.
A locksmith can be able to help you find your lost fob, or get it replaced. They'll also have an idea of why your fob stopped working in the first instance. If your car is old and does not include smart technology it is still possible to save money by recording the key number plate of your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. If you need to reprogram your car's key fob the locksmith can perform the task more easily.
If the key fob you have is a modern smart key it will require a car dealership or locksmith to deprogram it before getting an entirely new one which is more expensive than replacing it. The reason is that modern key fobs employ rolling-code encryption to prevent thieves from accessing the car. This means that the locksmith needs to have a special programing tool that only the vehicle manufacturer has, which increases the overall cost.
In most cases, the entire service will be charged at once. This includes all costs for reprogramming a keyfob. It can cost anywhere from $20 in certain stores to over $200 at car dealerships, based on the vehicle.