Key Fob Replacement and Repair

The key fobs in modern cars do a lot of work and are subject to lots of abuse. Sometimes, a simple repair or replacement is all that's required to bring them back into working in good condition.

Most fobs run on a flat watch-style batteries, which is readily available in hardware and auto parts stores. But before you call an expert, try a few DIY solutions!

Dead Key Fob Batteries

The key fob battery powers the remote function of your car and, with push-to start vehicles, permits it to start your engine. As a result, it is critical to maintain a healthy, working battery. When you're on the move, a dead key fob can cause a lot of trouble. A simple, inexpensive replacement will solve the issue quickly.

The most common indication that a key fob battery is dying is the loss of signal strength and range. It is also possible to find that the buttons on the fob don't function or require any effort to turn on.

A new key fob can be found in the auto parts section of a large retailer or online. They are typically CR2032 and CR2025 and are sold in packs of 2 or more. However it's best to consult your owner's manual before you shop for the right battery for nearest your vehicle. Certain vehicles require a particular size or type of battery, which isn't always readily available at big-box stores. Be sure to check before purchasing.

Typically, the battery is located on the back of your key fob and can be removed by prying open the case with an abrasive screwdriver with a flat blade. The battery will appear like an ordinary coin and be labeled based on its size. Make sure to note the orientation of the plus and minus symbols so that you can put the new battery in the correct place. After the battery has been replaced then gently snap the two pieces of the fob back together. Then test the buttons.

If your key fob still doesn't work after replacing the battery, it might be deprogrammed. In this case, you'll need to contact locksmiths for assistance which will cost a bit more than replacing the key fob battery.

If the battery in your fob is failing or you're experiencing other issues with your key fob an experienced mechanic such as one from YourMechanic can examine and fix it to get you back on the road. Make sure to look over 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 to buttons on the remote, this could be an indication of a problem with the signaling. Radio signals are used to communicate between your car and key fob. Weak or inconsistent radio signals can result in poor performance and range.

Examining the battery level of your fob is a good idea as it can have a significant impact on signal sensitivity. Resetting the settings of the fob can also help restore a more regular response. The procedure may differ from vehicle to vehicle. Your owner's guide or a call to the manufacturer's support line is your best resource.

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

Physical damage to your keyfob can also affect the transmission of an RF signal, which can result in poor performance and range. A blown fuse, a damaged or cracked button or bent fob case can interfere with the transmission of signals, causing the remote to not respond.

There are some simple steps you can take to try and fix the problem of weak signals from your fob, for example, resetting the fob's settings or changing the battery. If your fob has become old and worn, it could be the right time to replace it.

Don't forget to use the spare remote that was included with your vehicle if your primary remote begins to fail. It's worth trying this option to see if it solves the issue before investing in the new one. In this situation it could be the right the right time to contact an expert auto-locksmith. They will be able to diagnose the problem and recommend the best method of action.

Physical Damage

It's not common for key fobs to experience issues from time-to-time. Most of these problems aren't complicated or serious and can be resolved by following a few easy steps. It's recommended to have spare batteries or an additional fob in case one of your keys ceases to function.

A dead battery is the most common reason for a mobile car key repair keyfob not working. These tiny devices are powered by lithium-ion button or coin cell batteries. These are easily replaced and can be found at most pharmacies, grocery stores, and other places which sell electronic items. You can access the fob's casing using an screwdriver that has a flat-head and gently pry out the battery. Replace the battery, ensuring it's not damaged or loose. Most fobs require CR2032 batteries. However, yours might require a different type.

If your device loses its pairing, it may also stop responding to buttons. This can happen due to a variety of factors, such as changing the batteries, but it is generally simple for an auto Locksmith or your local dealership to fix.

You can try this method to solve your fob issue when none of the other methods work: Disconnect the battery from both the car and the fob for about 10 minutes, then reconnect them in a reverse order. This may cause the system to restart and in certain cases it will resolve the issue without additional steps.

While you're experimenting with the fob, ensure to keep it away from water and other potential dangers. The fob is quite sturdy, but you need to take care with it in order for it to last as long as possible.

If none of the troubleshooting steps above help, you may need to replace your key fob. If it's been thrown and trampled or exposed to extreme environmental conditions, it may not be able to be repaired and will need a replacement. Shop around to find the best deal.

Lost Fob

Even with the best of care, car key remote repair key fobs will occasionally stop working. It can be expensive to replace yours when it is lost and especially in the event that you don't have a spare. "You might end up paying $50 - $100 for a replacement and having it programmed by a dealer, and an electronic backup that could cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.

A weak battery is among the most common causes for a keyfob's device to cease to function. If you are aware of how to change the battery, or if the owner's manual contains instructions, try it yourself. If that doesn't work you'll need to contact an expert.

A locksmith is able to help you find the lost fob or have it replaced. They'll also have a good idea of the reason your fob was not working in the first instance. If your car is old and doesn't come with smart technology however, you can save money by recording the number plate of your mechanical backup key. It's usually hidden behind a decorative keychain. This will make it much easier for the locksmith to reprogram a brand new key fob for your car should you require it.

If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or car dealer. This could cost more than simply replacing it. That's because modern key fobs utilize rolling-code encryption to stop thieves from getting into the car key and repair. 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, you'll need to pay for the entire service at once, which includes any costs to reprogram the new key fob. This could range from around $20 in certain stores to more than $200 at car dealerships, based on the model of vehicle.