Key Fob Replacement and Repair

Key fobs on modern cars are very efficient and are subject to lots of abuse. Sometimes just a simple repair or replacement is all it takes to get them back in good working order.

Most fobs run on a flat watch-style batteries, which can be found in hardware and auto parts stores. Before you call an expert, try a few DIY fixes!

Dead Key Fob Battery

The battery in the key fob powers the remote function of your car and, with push-to start vehicles, permits it to start your engine. Therefore, it is essential to keep an efficient, functioning battery. A dead key fob can be an issue for anyone in the middle of nowhere. The good news is that a simple, affordable replacement is able to fix the issue quickly.

The loss of range and signal strength are the most common indications that a battery on a keyfob is dying. You might also notice that the buttons on your key fob aren't working or require more effort.

A new key fob can be found in the auto part section of a major retailer or on the internet. Typically, they're CR2032 or CR2025 batteries that are sold in packs of two or more. However, it's a good idea to consult your owner's manual prior to purchasing the correct battery for your vehicle. Some cars require a particular size or type of battery that isn't always in stock at big-box retailers Be sure to be aware of the correct specifications before you purchase.

Typically, the battery is located on the back of your key fob and can be removed by prying the case open with the flat-blade screwdriver. The battery will look similar to an ordinary coin and be labeled according to its size. Be sure to note the orientation of the plus and minus signs in order to place the new battery properly. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together. Then test the buttons.

If your key fob isn't working after replacing the battery, it might have been deprogrammed. In this case, you'll need to contact locksmiths for assistance and it will cost you a little more than simply replacing the battery of your key fob.

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

Weak Signals

If you find that your key fob isn't responding as you would expect to the buttons on the remote, this can be a sign of a problem with the signaling. Radio signals are used to communicate between your car and key fob. Inconsistent or weak radio signals can result in poor performance and a limited range.

The battery level of your fob is a good idea, since it can significantly affect the sensitivity of the signal. Resetting the settings on the fob could aid in restoring a more consistent response. The procedure varies from vehicle to vehicle, so the owner's manual or a call to the helpline of the manufacturer is probably the best guide here.

Other factors can contribute to weak fob signals, including interference from other devices operating on the same frequency as your key fob. Power lines and other key fobs wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.

The physical damage to your keyfob can also interfere with the transmission of radio signal, leading where to repair car key remote low performance and a limited range. A blown fuse, a damaged or cracked button or bent fob case can interfere with the transmission of signals and cause the remote to fail to respond.

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

Also, don't forget if you have an extra key fob which is part of your vehicle, it can be used instead of the primary remote if it starts to fail. You should try this solution first to determine if you can resolve the issue before buying a new remote. If not, this might be the best time to contact an expert auto locksmith. They will be able to identify the problem and recommend the best course of action.

Physical Damage

It's not common for key fobs to have problems from time to time. Luckily, the majority of these problems are not complicated or a major issue and can be solved with some simple steps. It's recommended to have spare batteries or another fob available in case one of your keys ceases to function.

The most frequent reason for the car key fob not working is the battery is dead. These little devices depend on tiny lithium-ion button or coin batteries to function. These are easily replaced and can be found at most pharmacies, grocery stores, and other places which sell electronic items. You can remove your fob's shell with a screwdriver with a flat head and gently pry out the battery. Make sure it's not loose or damaged and then insert an alternative battery. Most fobs require batteries with CR2032 capacity. However, yours might need a different type.

When your fob loses its pairing, it could cease to respond to buttons. This could be due to many factors including changing the batteries. However an auto Locksmith or a local dealership can usually solve the issue.

Try this trick to fix your fob when none of the other methods work: remove the battery from both the car remote key fob repair and the fob for about 10 minutes, then reconnect them in the opposite order. This can force a restart within the system, and in some cases, this alone will fix the issue without having to do any of the other steps.

While you're testing the fob, be sure to keep it clear of water and other possible sources of damage. The fob is quite sturdy, but you need to treat it with care in order for it to last as long as possible.

If the above troubleshooting suggestions don't help, it might be time to think about replacing your key fob. If it's been dropped or tripped over, or exposed to other environmental hazards, it could be beyond repair and requires an upgrade. If that's the case, be sure to look around for a deal before making your final choice.

Lost Fob

Even with the best of care, car key fob repair key fobs will occasionally stop working. It's expensive to replace yours in the event that you lose it and especially in the event that you don't have a spare. "You may end up spending $50 or more to get an equivalent replacement from the dealer and have it programmed, and a new mechanical backup which could cost you at least another $100," says Mel Yu, an automotive analyst with Consumer Reports.

One of the most frequent reasons for a key fob's to not function is a simple problem, such as an insufficient battery. Try changing the battery on your own when you know how, or refer to the owner's manual. If that doesn't work, you'll have to call an expert.

A locksmith can assist you replace or find the lost key fob. They will also likely have a good idea of the reason your fob was not working in the first instance. If your car is older and doesn't come with smart technology however, you can save money by recording the number plate from your mechanical backup key. It's typically hidden behind an ornamental keychain. This will make it easier for the locksmith to reprogram the new key fob for your car if you ever require it.

If your existing key fob is a modern smart key it will require a locksmith or a dealership to remove it from the system and have a new one made, which can be more expensive than replacing it. Modern key fobs are protected by rolling-code encryption, which prevents thieves from getting access to the car. This means that the locksmith needs to have an exclusive programming tool that only the car manufacturer is equipped with, which adds to the overall expense.

In the majority of instances, the entire service will be billed at once. This includes any charges to reprogramme a new keyfob. Based on the car the cost can range from a mere $20 at some shops to $200 or more at a car dealer.