Is Fob Key Repair The Greatest Thing There Ever Was?

· 6 min read
Is Fob Key Repair The Greatest Thing There Ever Was?

Key Fob Replacement and Repair

Key fobs on modern cars are very efficient and are subject to an awful amount of abuse. Sometimes, just a simple repair or replacement is all that's needed to get them working again.

Most fobs run on a flat watch-style batteries. This is easily found in auto parts and hardware stores. However, before calling an expert, you can try a few DIY solutions!

Dead Key Fob Battery

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. As a result, it is critical to maintain an active, healthy battery. A dead key fob is an issue for anyone on-the-go. A simple, inexpensive replacement will fix the problem quickly.

The loss of range and signal strength are the most common indicators that a battery in a keyfob is failing. You may also be noticing that the buttons on the fob don't work or require extra effort to turn on.

A new key fob is available in the auto part section of a big retailer 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 purchase the correct battery. Some cars require a particular size or kind of battery that's not always in stock at big-box retailers So, make sure you be aware of the correct specifications before you purchase.

The battery is typically located at the back of the key fob. It is removed using the flat-bladed screwdriver, by opening the case. The battery will appear like a small coin and will be labeled according to its size. Make sure to note the direction the plus and minus symbols are oriented 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. Then test the buttons.

It's important to note that in the event that your key fob continues to stop functioning even after battery replacement, it might be deprogrammed. In this scenario, you'll need to contact a locksmith for help, which will cost some more than replacing the battery of your key fob.

YourMechanic's experienced mechanics can repair your key fob if it is damaged or if the battery is dead. Schedule an appointment to see the range of services we offer in your area.

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 a sign of a problem with the signaling. Radio signals are used to communicate between your car and key fob. Weak or inconsistent radio signals can cause poor performance and a limited range.

Checking  car remote key repair  of your fob is a good idea because it could affect signal sensitivity. It's also advisable to reset the fob's settings that can help get a more consistent response from the car. The procedure will differ from vehicle to vehicle. Your owner's guide or a phone call to your manufacturer's support number is your best source of information.

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 can interfere with the radio frequency (radio-frequency) signals that your key fob transmits to the receiver of your vehicle.

The physical damage to your keyfob can affect the transmission of an RF signal, which can result in lower performance and less range. A damaged or blown fuse, a broken or cracked buttons or a bent case could interfere with the transmission of signals and cause the remote to fail to respond.

You can try to fix the problem by resetting the fob's settings or by replacing the battery. However, if your fob is worn out, it's time to replace it completely.

Don't forget to make use of the spare remote that came with your car if your primary remote begins to fail. You should try this solution first to see if it can solve the issue prior to purchasing another remote. If not, it could be the right time to contact an expert auto locksmith. They can identify the issue and suggest the best way to proceed.

Physical Damage

It's not common for key fobs to encounter issues from time to time. Luckily, the majority of these issues aren't complicated or a major issue and can be fixed with a few easy steps. It's recommended to have spare batteries or even another fob available in case one of your keys fails to work.

A dead battery is the most frequent reason why a key fob in a car is not working. These tiny devices are powered by lithium-ion button or coin cell batteries. They are easy to replace and are available at most pharmacies, grocery stores and places that sell electronics. You can open your fob's shell with a screwdriver with a flat head and gently pull out the existing battery. Replace the battery, making sure it's not damaged or loosened. Most fobs utilize CR2032 batteries, but yours might require a different kind.

The fob may also stop responding to the buttons if it loses its pairing with the car. This could be due to various reasons like changing the batteries. However, an auto Locksmith or local dealership is usually able to solve the issue.

You can try this method to fix your fob in the event that none of the above methods work: remove the battery from both the car and the fob for around ten minutes, then reconnect them in a reverse order. This could trigger a reboot within the system and, in some instances this will fix the problem without doing any of the other steps.

While you're experimenting with the fob, ensure to keep it clear of water and other potential dangers. A fob can be pretty durable, but it's important to take care with it in order for it to last as long as possible.

If the above troubleshooting tips aren't working, it could be time to replace your key fob. If it's been thrown around or tripped over, or exposed to other extreme environmental conditions, it could be beyond repair and requires an upgrade. Find the best deal.

Lost Fob

Even with the best care it's a fact of life that car key fobs may sometimes cease to function. It's expensive to replace yours in the event that you lose it and especially when you don't have an extra. "You might end up paying $50 to $100 for a new one and getting it programmed by the dealer, plus an electronic backup that could cost another $100," says Mel Yu an automotive analyst at Consumer Reports.

One of the most common reasons for a key fob to stop working is a basic problem, such as a weak battery. You can try changing the battery on your own when you know how, or refer to your owner's manual. If that doesn't work you'll need to call an expert.



A locksmith can assist you replace or find your lost key fob. They'll also probably have an idea of why your fob was not functioning in the first place. If your car is older and doesn't come with smart technology, you can still save money by recording the key number plate from your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. If you're in need of reprogramming the key fob in your car the locksmith can do it much more quickly.

If your key fob is an older smart key, it will need to be deprogrammed by a locksmith or car dealer. This can cost more than just replacing it. Modern key fobs are protected by encryption using rolling-codes which stops thieves from gaining access to your car. And that means locksmiths need a special programing tool that only the car manufacturer has, which increases the overall expense.

In most cases, the entire service will be billed at one time. This includes all costs for reprogramming a new keyfob. This could range from around $20 in certain stores to over $200 at car dealerships, based on the model of vehicle.