Key Fob Replacement and Repair

Modern car key fobs are utilized a great deal and are often misused. Sometimes just a simple repair or replacement is all that's required to get them back in good working order.

Most fobs utilize flat-watch-style batteries that are easy to find in hardware stores and auto parts stores. However, before calling a professional, try a few DIY fixes!

Dead Key Fob Battery

The key fob's battery powers your remote in your car, and in push-to-start cars it will start your engine. This is why it is essential to keep a healthy, working battery. A dead key fob can be an issue for anyone in the middle of nowhere. A simple, low-cost replacement will solve the issue quickly.

The loss of range and signal strength are among the most commonly observed indicators that a battery in a keyfob is failing. You might also find that the buttons on your fob don't function or require any effort to activate.

A new key fob can be found in the auto part section of a big retailer or online. Typically, they are CR2032 or CR2025 batteries and are available in packs of two or more. However it's best to check your owner's manual before shopping for the correct battery for your vehicle. Certain cars require a specific size or type of battery that isn't always readily available at big-box stores, so be sure to be aware of the correct specifications before you buy.

Typically the battery is placed in the back of your key fob. It is removed by tearing the case open using the flat-blade screwdriver. The battery will appear like tiny coins, and it will be labeled based on its size. Be sure to note which direction the plus and minus symbols are positioned to ensure that the new battery is positioned correctly. After the battery has been replaced, gently snap the two pieces of the fob back together. Then test the buttons.

It's worth noting that if your key fob continues to stop functioning, even after a battery replacement, it may be deprogrammed. In this instance it is likely that a locksmith will be required to assist you. This will cost more than replacing the battery in the key fob.

Our skilled mechanics at YourMechanic can repair your key fob if it is damaged or if the battery has died. Schedule an appointment to see all of the services we provide in your area.

Weak Signals

If you notice that your key fob isn't responding to buttons on the remote, this could be a sign of a problem with the signaling. Radio signals are used to transmit information between your car and the key fob. Poor or inconsistent radio signals can lead to poor performance and a limited range.

The battery level of your fob is a good idea, since it can significantly affect the sensitivity of your signal. Resetting the settings of the fob can also help restore a more constant response. The process varies from vehicle to vehicle, so the owner's manual or call to the manufacturer's help line will likely be your best resource here.

Other factors can cause weak fob signals, such as interference from other devices operating on the same frequency as your key fob. Power lines and other key fobs wireless communication devices, and even cell networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver in your vehicle.

Additionally, physical damage to your key fob could affect the transmission of RF signals, which may result in poor range and performance. A damaged or blown fuse, a broken or cracked button or a bent case can all affect the transmission of signals, causing the remote to fail to respond.

You can try to solve the issue by resetting the settings on your fob or by replacing the battery. If your fob is damaged, it's the time to replace it all over again.

Don't forget to remember that if you have a spare key fob that comes with your vehicle, it could be used in place of the primary remote key repair in case it begins to fail. You should try this solution first to see if you can fix the problem before buying an entirely new remote. In this situation, it might be time to call an auto-locksmith professional. They will be able diagnose the issue and recommend the best course of actions.

Physical Damage

It's not uncommon for key fobs to encounter problems from time to time. Luckily, the majority of these problems are not complicated or a major issue and can be solved with a few easy steps. It's also a good idea to keep spare batteries or a different fob on hand in case your key stops working.

A dead battery is the main reason why a key fob in a car is not working. These little devices depend on tiny lithium-ion button or coin batteries to function. They can be replaced and are available in most pharmacies and stores. You can open the case of the fob using an screwdriver that is flat and gently remove the battery that you have. Replace the battery, making sure it's not damaged, loose or damaged. Most fobs use CR2032 batteries, but yours might require an alternative kind.

If your device loses its pairing, it may also stop responding to buttons. This could be due to a variety of factors like changing the batteries. However it is possible to fix the issue with an auto Locksmith or local dealership will usually be able to repair the issue.

You can try this trick to solve your fob issue when none of the other methods work: remove the battery from both the car and the fob for around ten minutes, and then reconnect them in the opposite order. This can force a restart within the system and, in some instances it will solve the problem without doing any of the other steps.

Keep the fob clear of water or other sources of harm while you're trying out new techniques. The fob is tough however, you must take care with it to make it last for as long as you can.

If none of the troubleshooting steps above help you, it may be necessary to replace your key fob. If it's been thrown, trampled on or exposed to harsh conditions, it might not be able to be repaired and may require a replacement. Find the most competitive price.

Lost Fob

Even with the best of care, car key fobs can fail at times. If you lose yours, it could be very expensive to replace it, especially in the event that you don't have spare. "You could end up paying $50 or more to purchase a new replacement from the dealer and then have it programmed, as well as an additional mechanical backup which could cost you at least another $100," says Mel Yu who is an automotive analyst at Consumer Reports.

A weak battery is among the most common reasons for a keyfob to cease to function. You can try changing the battery yourself If you are familiar with the procedure or get instructions from the owner's manual. But if that doesn't fix the issue, it's time to get help from an expert.

A locksmith can be able to help you find the lost fob or have it replaced. They'll also have a good idea of the reason your fob stopped working in the first place. If your vehicle is an older model that has no built-in smart technology it is possible to save money by finding the key number plate on your existing mechanical backup key (it's typically hidden behind a keychain ornament with a decorative design) and storing it in a secure location, 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 emergency Car Key Repair should you require it.

If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or dealer. This could cost more than just replacing it. Modern key fobs are secured by rolling-code encryption that prevents thieves from gaining access to your car. That means that locksmiths need an exclusive programming tool that only the car manufacturer is equipped with, which adds to the overall cost.

In most cases, the entire service will be charged at the same time. This includes all costs for reprogramming a keyfob. Depending on the vehicle it could cost anywhere from $20 at some stores to $200 or more at a car dealership.