Key Fob Replacement and Repair
The key fobs in modern automobiles do a lot of work and are subject to an awful amount of abuse. In most cases, an easy repair or replacement is all it takes to make them work again.
Most fobs run on a flat watch-style batteries. This is readily available in auto parts and hardware stores. Before you call a professional, try a few DIY fixes!
Dead Key Fob Battery
The key fob battery powers the remote function of your car. It also, with push-to-start vehicles it allows 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 when you're on-the-go. A simple, inexpensive replacement will fix the problem quickly.
The loss of range and signal strength are the most frequent signs that a keyfob battery is failing. You may also notice the buttons on the key fob aren't working or require additional effort.
You can often find an updated key fob battery in the auto parts section of a large box retailer or online. Typically, they're CR2032 or CR2025 batteries that are sold in packs of two or more. However it's best to read the owner's manual before shopping for the right battery for your vehicle. Some cars require a specific size or type that isn't always readily available at big-box stores. Make sure to verify before you buy.
Typically the battery is placed on the back of your key fob and is removed by tearing the case open with a flat-blade screwdriver. It is usually shaped like a small coin and be labeled with the battery size. Be sure to note which direction the plus and minus symbols are placed to ensure that the new battery is properly placed. Once the battery replacement is inserted, gently snap both pieces of the fob together. Then test the buttons to make sure they function.
If your key fob isn't working after replacing the battery, it could have been deprogrammed. In this instance you will require a locksmith needed to help you. This will cost 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. Be sure to check out all of our services available in your area and make an appointment today!
Weak Signals
If you find that your key fob isn't responding to buttons on the remote, this can be an indication of a problem with the signaling. Your car and key fob are dependent on radio signals to communicate, and weak or inconsistent signals could result in poor range and performance.
One of the first things to check is whether or not your fob's battery is insufficient because this could significantly affect the sensitivity of your signal. Resetting the settings of the fob can aid in restoring a more constant response. The procedure differs from vehicle to vehicle, so your owner's manual or a call to the help line of the manufacturer is likely to be the best resource here.
Other factors can cause weak fob signals, for example, interference from other devices operating at the same frequency as your key fob. Power lines as well as other key fobs, wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Finally, physical damage to your key fob could also interfere with the transmission of RF signals which could result in a decrease in performance and range. A blown fuses, a damaged or cracked button, or a bent case on the fob can affect signal transmission and cause the remote not to function properly.
There are some simple steps you can try to and resolve the issue of weak fob signals, such as resetting the fob's settings or changing the battery. If your fob has become old and worn out, it might be the right time to replace it.
Lastly, don't forget that if you have an extra key fob that comes with your vehicle, it could be used instead of the primary remote in case it starts to fail. You should test this option first to determine if you can solve the issue prior to buying another remote. In this case it may be an appropriate time to consult an expert auto-locksmith. They will be able diagnose the issue and recommend the best course of actions.
Physical Damage
Key fobs can be troublesome from time to time. Luckily, the majority of these problems are not complicated or a major issue and can be fixed with a few easy steps. It's also a good idea to have spare batteries or even another fob available in case one of your keys ever fails to work.
A dead battery is the most frequent cause of a car keyfob not working. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They can be replaced and are available at most pharmacies and stores. The fob's case can be opened using an screwdriver that is flat and gently pull out the battery you have. Replace key fob repairs , ensuring it's not damaged, loose or damaged. Most fobs utilize CR2032 batteries. However, yours may require an alternative type.
Your fob could also stop responding to buttons after losing its pairing with the vehicle. This could be due to a number of factors, including changing the batteries, but it is typically a simple issue to get an auto Locksmith or your local dealer to fix.
You can try this trick to fix your fob in the event that none of the above methods work: Disconnect the battery from both the fob and the car for about ten minutes, then reconnect them in the reverse order. This can force a restart within the system and in some cases this will fix the issue without having to do any of the other steps.
While you're experimenting with the fob, be sure to keep it out of water and other possible dangers. The fob is a durable device but you need to take care with it to ensure that it lasts for as long as it is possible to.
If the suggestions above do not help, it may be time to consider replacing your key fob. If it's been thrown around, trodden on or subjected to other harsh environmental conditions it could be beyond repair and in need of a replacement. If that's the case, make sure to shop around to find a bargain before making a final decision.
Lost Fob
Even with the best care keys for cars, they will occasionally stop working. If you lose yours it could be a huge expense to replace it--especially if you don't have a spare. "You may end up spending $50 or more to purchase an alternative from the dealer and have it programmed, plus a new mechanical backup which will cost at least 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 problem, such as an insufficient battery. If you know how to replace the battery, or if the owner's guide has instructions, try it yourself. But if that doesn't fix the issue, it's time to get help from an expert.
A locksmith is able to help you find your lost fob, or get it replaced. They'll also probably have an idea of why your fob was not working in the first instance. And if your car is an older model with no built-in smart technology, you can save some money by finding the key number plate that is on your existing mechanical backup key (it's usually hidden behind a decorative keychain) and recording it in a secure place, such as your wallet or on your phone. This can make it easier for a locksmith to reprogram a brand new key fob for your car should you need to do it.
If your existing key fob is a modern smart key it will require a car dealership or locksmith to deprogram it and get a new one created which is more expensive than replacing it. Modern key fobs are secured by encryption using rolling-codes that prevents thieves from gaining access to the car. This means that locksmiths must be equipped with a specific software program that is available only to car manufacturers, which increases the cost.
In most instances, you'll need to pay for the entire service at once, which includes any costs to reprogram the new key fob. It can cost anywhere from $20 at some shops to over $200 at car dealerships, depending on the car.