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Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work

It can be a traumatic experience when your key fob malfunctions. The majority of fob issues can be solved at home with an auto locksmith or aren't important.

The first step is to examine the fob that you use to check whether it is suffering from physical damage or an inoperative battery. You can then reset the fob according to the instructions provided in your owner's manual.

Dead Key Fob Batteries

A key fob lets you to unlock and even start your vehicle without having to mess around using your keys. A lot of models unlock doors, trunks, and hatchbacks with pressing the button. A dead key fob is not as difficult to fix as it might appear. You can take your car key repairs to an auto repair shop or dealership for assistance. But did you know that you could also fix your fob yourself?

First, you'll need a brand new CR2032. Most hardware stores carry batteries in multipacks. Make use of a flathead screwdriver or a watch to open the case open. There's usually a slot or notch to start, and once you've created the first gap you can wedge your pry tool like you peeling an orange or apple to open the case further. It's best to be gentle, as you don't want breaking the fob's case or the circuit board inside.

Once you've got your case open, place the new battery under the tabs highlighted by yellow arrows in this image. Make sure it goes in between the two smaller tabs pointed to by the green arrows. Once the new battery is installed, close your key fob and try it. If the key fob still doesn't function, you may require the assistance of a professional for a more detailed troubleshooting.

In rare cases replacing the battery on the fob's key can result in a non-functional device. If this happens, it's likely that something else is wrong with the fob or the vehicle itself. Keep a spare keyfob on hand to ensure you're ready in case the battery dies or if a problem occurs.

You may also ask a professional to perform other key fob repair procedures. They can look for damaged buttons, contacts, and other components. They can also do the reprogramming process or synchronization if your vehicle is having trouble communicating with your key fob.

Damaged Key Fob Battery

The majority of key fobs utilize a small battery to power their internal components, which include buttons that activate the chip and antenna to release the radio frequency. The battery also powers the plastic casing that protects these components. Your key fob won't work if the battery is dead. The solution is easy and cheap simply replacing it. A lot of manufacturers provide instructions in their user's manuals on how to replace the battery on the key fob. It can be a little tricky but it's not difficult to accomplish and you'll probably save money by doing it yourself, rather than taking the fob to an auto shop or dealership.

There could be a second issue if the key fob doesn't work after replacing the batteries. Inspect the key fob for indications of physical damage, for example cracks or scratches. You can also look inside the case to check the circuit board for corrosion or other issues. If you feel at ease, you can employ a cotton ball coated with rubbing alcohol to clean contact points on the circuit board of the key fob. This will remove the corrosion without causing any damage to the fob.

Key fobs also need to be programmed to connect to the vehicle's receiver. This is done to ensure that only persons with keys for the same vehicle can unlock the car and keep other key fobs out of trying to access vehicles they are not intended for. If you've recently had a key fob repaired or replaced, or when it hasn't used for some time the receiver and transmitter could have been disconnected.

You can test this using a spare remote control that you have. This will let you know if the problem is with the key fob, or the electrical system in your vehicle. A mechanic in your car will be able to connect any wires that have been disconnected and assist you in resolving the issue. You can also try connecting the key fob with a different receiver and check if that fixes the issue. If you're unable to accomplish this, you may need to take your key fob to an auto dealer or repair shop for more extensive repairs.

Key Fob Transmitter Damaged

It can be a big hassle when your car's key fob stops working. Thankfully, most car key repair cost key fobs can be fixed with a few simple steps. First, look over the fob for physical damage and make sure it's not simply dead. A new battery could be all that's needed, but if it doesn't fix the issue, there could be a more serious issue with the fob's transmitter.

Car key fobs are made up of lots of moving parts, which is why it's normal to expect them to suffer wear and tear over time. A damaged transmitter can stop you from starting your car or unlocking its doors. A damaged transmitter can also affect radio signals transmitted from your key fob to the receiver inside your car. If you suspect that your key fob's transmitter has been damaged, take it to a local mechanic for inspection and repair.

One of the most common reasons why a key fob stops functioning is because the batteries are dying. Key fob batteries last between three and 5 years. It is best to replace them regularly.

Replacing a key fob's battery is a relatively simple process that most people can do at home. All you require is a flat-head screwdriver to break open the case, and then replace the battery with a brand new one. Most key fobs use 3V button cell batteries that are readily available at many auto parts stores.

A defective receiver could also be the reason behind your key fob not responding. This could be a problem that is frustrating, because it is most likely to occur when you're driving. If your key fob doesn't appear to be receiving a signal, try placing it inside the driver's side door lock.

A damaged receiver could cause your keyfob to act in a strange manner. For instance it might shut off or lock the vehicle if you press one of its buttons. If you have a spare key fob, you can try using it to see if it is able to respond to the vehicle's commands. If you don't have a spare key fob, call your dealer to request service. In some instances the new-car dealership might be able to provide a replacement for free if the current fob is in warranty.

Key fob receiver damaged

Key fobs are great devices that allow us to lock or unlock our vehicles, they can be susceptible to a variety of issues. If your remote key fob for your car isn't working properly it's time to contact an auto locksmith or locksmith dealer for help. Fortunately, most common key fob issues are easily fixed without needing to spend money on a costly replacement. Here are five of the most frequent reasons your key fob may not be functioning:

Key Fob Needs Re-Programming

As time passes the transmitter and receiver of a car key fob could become out-of-synchrony. To correct this issue you'll need to sync your key fob and receiver by following the reprogramming directions for your car. You can find these instructions in the owner's manual or contact your dealer in person for assistance.

If the re-programming of your key fob fails to solve the issue, there could be a different cause of damage or interference to your key fob, or its receiver. It's usually simple to fix if you take off your key fob and take a close look inside. Find signs of damage like cracks in the circuit board, teeny electronic components that aren't fully attached to the circuit board or bent or damaged battery contacts. You can repair the key fob in the event that you discover any of the above.

Whether you need to repair or replace your key fob, the ideal solution depends on the cause of the issue and the amount you value convenience and the cost. However, if your mobile key fob repair fob was damaged or dropped, or has been subjected to various physical harms, it may be easier and more affordable to have it replaced by a professional. In any event, take good care of your key fob to ensure that it continues to perform smoothly for a long time. You can prolong its lifespan by cleaning it regularly and avoid extreme temperatures or electromagnetic fields. Furthermore, by selecting a professional with plenty of experience with your specific car's model and make and model, you can be confident that your key fob will always function exactly as it was intended to.