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

Modern car key fobs are used frequently and are often abused. Sometimes an easy replacement or repair is all that's required to bring them back into working good working order.

Most fobs are powered by flat watch-style batteries, which is easily found in hardware and auto parts stores. Before calling in a professional, do a few DIY fixes.

Dead Key Fob Batteries

The battery in the key fob powers the remote function of your car. It also, 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 could be a major issue. A simple, affordable replacement can 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 find that the buttons on your fob don't function or require any effort to turn on.

A new key fob can be found in the auto part section of a major retailer or on the internet. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Make sure to consult your owner's manual prior to you decide on the best battery. Certain vehicles require a certain size or type of battery that's not always in stock at big-box retailers Be sure to know the right specs before you purchase.

Typically, the battery is located on the back of your key fob and is removed by tearing open the case with a flat-blade screwdriver. The battery will appear like tiny coins, and it will be labeled according to its size. Be sure to note which way the plus and minus symbols are oriented to ensure that the battery you are replacing is placed correctly. After the battery has been replaced, gently snap the two pieces of the fob back together and test the buttons.

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

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

Weak Signals

If you notice that your key fob isn't responding to buttons on the remote, it could be a sign of a problem with signaling. Your car and key fob depend on radio signals to communicate, so weak or inconsistent signals could result in poor range and performance.

One of the first things you should check is whether or not your fob's battery is insufficient because this could significantly impact signal sensitivity. Resetting the settings of the fob can also help restore a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or a phone call to the help line of the manufacturer will likely be your best source of information here.

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

Damage to your keyfob's physical structure can interfere with the transmission of radio signal, which can result in low performance and a limited range. A damaged or blown fuse, a broken or cracked buttons, or a bent fob case can all interfere with the transmission of signals and cause the remote to fail to respond.

You can solve the issue by resetting the fob's settings, or by replacing the battery. If your fob is old and damaged, it's time to replace it altogether.

Lastly, don't forget that if you have an extra key fob which is part of your vehicle, it can be used in place of the primary remote in case it begins to fail. You should try this solution first to see if it can fix the problem before purchasing an entirely new remote. In this case, it might be an appropriate time to consult an auto-locksmith professional. They can identify the issue and suggest the best course of actions.

Physical Damage

Key fobs can be troublesome at times. Fortunately, most of these problems are not serious or complex and can be resolved with a few easy steps. It's also a good idea to have spare batteries or another fob available in case one of your keys fails to work.



A dead battery is the most common cause of a car keyfob not working. These small devices rely on tiny lithium-ion coin or button cell batteries to function. They are easy to replace and are available at most pharmacies, grocery stores and places that sell electronics. You can open your fob's case using a screwdriver with a flat head and gently pry out the battery. Make sure it's not damaged or loose and then put in a new battery. Most fobs require batteries with CR2032 capacity. However, yours might require a different type.

When your fob loses its pairing, it can stop responding to buttons. This could be due to a variety of factors including changing the batteries. However it is possible to fix the issue with an auto Locksmith or a local dealer will usually be able to repair the issue.

If none of the methods above work, you can try this method: disconnect the battery from the car and fob for a few minutes and then connect them in a reverse order. This could trigger a restart within the system and in some cases this will fix the issue without having to do any of the other steps.

Keep  fob repair near me  out of water or other sources of harm while you're experimenting. A fob is durable but you need to take care of it to ensure that it lasts as long as it can.

If all of the above troubleshooting tips do not help, it may be time to replace your key fob. If it's been dropped, trampled on or exposed to extreme environmental conditions, it could not be able to be repaired and will require a replacement. If this is the case, make sure to shop around for a deal prior to making your final choice.

Lost Fob

Even with the best care keys for cars, they will occasionally stop working. It's costly to replace yours if you lose it, especially if you do not have an extra. "You could end up paying $50 - $100 for a replacement, and getting it programmed by the dealer, and a mechanical backup that will cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.

One of the most frequent reasons for a key fob to stop working is a simple problem, such as an insufficient battery. If you are familiar with how to change the battery, or if your owner's manual contains instructions, you can attempt it yourself. If this doesn't resolve the problem, it's time to contact an expert.

A locksmith will be in a position to assist you in finding your lost fob, or get it replaced. They'll also probably have a good idea of the reason why your fob stopped working in the first instance. If your car is older and doesn't have smart technology built in, you can still save money by recording the number plate of your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. This will make it easier for the locksmith to reprogram a brand new key fob to your car in the event that you require it.

If your current key fob is a smart key of the present it will require an auto dealer or locksmith to deprogram it before getting an entirely new one, which can be more expensive than simply replacing it. This is because modern key fobs employ rolling-code encryption to stop thieves from gaining access to the car. And that means the locksmith must have an exclusive programming tool that only the vehicle manufacturer has, which increases the overall expense.

In the majority of instances, you'll have to pay for the entire service at once, which includes any charges to reprogram the new key fob. Based on the car it could cost anywhere from a mere $20 at some shops to $200 or more at a dealership for cars.