Key Fob Replacement and Repair

Key fobs on modern cars do a lot of work and are subject to a lot of abuse. Many times, a simple repair or replacement is all it takes to get them back in working good working order.

Most fobs are powered by flat watch-style battery, which is easily found in auto parts and hardware stores. However, before calling an expert, try a few DIY fixes!

Dead Key Fob Battery

The key fob battery powers the remote function of your car and, with push-to-start vehicles it allows it to start your engine. It is therefore essential to maintain a functional and healthy battery. A dead key fob can be an issue for anyone in the middle of nowhere. A simple, inexpensive replacement can fix the issue quickly.

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

You will often find a new key fob repairs fob battery in the auto key fob repair parts section of a large box retailer or online. The majority of these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Consult your owner's guide before you shop for the right battery. Certain vehicles require a particular size or type of battery that isn't always available at big-box stores. Be sure to check before you buy.

Typically the battery is situated in the back of your key fob. It is removed by tearing the case open using the flat-blade screwdriver. It is usually shaped like a small coin and be labelled with the battery's size. Make sure to note the orientation of the plus and minus symbols so that you can place the new battery properly. After the battery has been replaced then gently snap the two pieces of the fob back together, and test the buttons.

If your key fob still isn't working after replacing the battery, it could be 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 in your key fob.

YourMechanic's experienced mechanics can repair your key fob in the event that it is damaged or if the battery has died. Schedule an appointment to see all the services we provide in your area.

Weak Signals

If your key fob isn't able to respond to the buttons on the remote, it could be a sign that the signaling isn't functioning correctly. Your car and key fob are dependent on radio signals to communicate, therefore weak or inconsistant signals can result in poor range and performance.

One of the first things you should examine is whether the battery of your fob is depleted because this could significantly impact signal sensitivity. Resetting the settings of the fob can aid in restoring a more constant response. The procedure varies from vehicle to vehicle, so your owner's manual or a call to the help line of the manufacturer is likely to be the best resource here.

Other factors, like interference from other devices operating on the same frequency, can also affect weak signals. Power lines and other key fobs wireless communication devices, and even cellular networks can interfere with 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 also affect the transmission of an RF signal, resulting in low performance and a limited range. A blown fuse, a broken or cracked button or a bent case of the fob may all affect the signal transmission and Fob Key repair cause the remote to not to respond.

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

Lastly, don't forget that if you have an extra key fob that is included with your vehicle, it can be used instead of the primary remote in the event that it starts to fail. You should try this solution first to determine if you can resolve the issue before purchasing a new remote. If not, this might be the best time to consult a professional auto locksmith. They'll be able to determine the cause and suggest the best method of action.

Physical Damage

Key fobs may have issues from time to time. Fortunately, most of these issues aren't serious or complex and can be fixed by following a few simple steps. It's a good idea also to keep spare batteries or another fob in case your key ceases to work.

The most frequent cause for the car key fob not working is an inactive battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. These are easily replaced and can be found at most pharmacies, grocery stores and shops which sell electronic items. The fob's case can be opened using a screwdriver with a flat head, and gently pry out your existing battery. Ensure that it is not loose or damaged and then insert the new battery. Most fobs require batteries with CR2032 capacity. However, yours might require a different kind.

Your fob might also stop responding to buttons after losing its pairing with the vehicle. This could be due to a variety of factors, such as changing the batteries, but it is typically a simple issue to get an auto Locksmith or your local dealer to fix.

If none of the solutions above work, you can try this trick: disconnect the battery from the car and the Fob Key Repair for a few minutes and then reconnect them in the opposite order. This could trigger a restart within the system and in some cases it will solve the issue without requiring any of the other steps.

Keep the fob away from water or other sources of damage while you are experimenting. The fob is quite robust, but it's crucial to take care with it when you want it to last as long as possible.

If the above troubleshooting tips aren't working, it could be time to think about replacing your key fob. If it has been dropped or trampled upon, or exposed to extreme environmental conditions, it could not be able to be repaired and may require an upgrade. If this is the case, make sure to shop around for a deal prior to making your final decision.

Lost Fob

Even with the best of care keys for cars, they will occasionally stop working. If you lose yours, it could be a huge expense to replace it, especially if you don't have a spare. "You might end up paying $50 or more to get an alternative from the dealer and have it programmed, as well as a new mechanical backup which could cost you at least another $100," says Mel Yu an automotive analyst with Consumer Reports.

A weak battery is one of the most common causes for a keyfob to stop working. If you are aware of how to change the battery, or if the owner's manual has instructions, you can attempt it yourself. If that doesn't work you'll need to contact an expert.

A locksmith can help you replace or find the lost key fob. A locksmith can probably tell you why your fob stopped functioning in the first place. If your car is old and does not include smart technology, you can still save money by recording the key number plate on your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. This will make it easier for a locksmith to reprogram the new key fob for your car in the event that you require it.

If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or dealer. This could cost more than simply replacing it. Modern key fobs are protected by rolling-code encryption that prevents thieves from getting access to the car. And that means the locksmith must have an exclusive programing tool that only the vehicle manufacturer has, which increases the overall expense.

In the majority of cases, the entire service will be billed at the same time. This includes any costs to reprogramme a new keyfob. This can range from $20 in some stores to over $200 at dealerships for cars, based on the vehicle.