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

It can be a stressful experience when your key fob fails. Fortunately, most fob issues aren't major or difficult and can be solved at home or with an auto locksmith close to you.

The first step is to examine the fob for physical damage as well as an unresponsive battery. Then, try to reset the fob by following the instructions in the owner's manual.

Dead Key Fob Batteries

With a key fob, you can start and unlock your vehicle without fumbling around with your keys. A lot of models unlock doors, trunks, and hatchbacks by pressing a button. Although the battery for your key fob has died may seem like a huge inconvenience, it's actually one of the most simple issues to fix. Many car owners know that they can visit a dealer or repair shop for assistance, but did you realize that you can also try to fix your own key fob at home?

You'll first require a brand new CR2032. They are available in a multipack at many hardware stores. Then you can use the flathead screwdriver or watch to the case of the fob. There's typically an opening or notch to start and after you've created the first gap you can wedge your pry tool like you peeling an apple or orange to open the case further. It is recommended to be gentle as you don't want to break the case of the fob or the circuit board inside.

Once you've got the case open, put the new battery underneath the tabs that are highlighted by yellow arrows in this image. Make sure that it is over the two tabs indicated by the green arrows. Close your key fob after you have installed the new battery and then test it. If the key fob still isn't working, you might require contacting an expert for more thorough troubleshooting.

In rare instances, replacing a battery in a keyfob may result in a malfunctioning device. If this happens, it's a sign that something else is wrong with your fob or the vehicle itself. It's a good idea to keep an extra key fob in the shelf so that you are prepared when the original battery dies or another problem strikes.

You may also ask a professional to carry out other key fob repair services. They can inspect for damage to buttons, contacts and other parts, as well as perform reprogramming and synchronization in the event that the vehicle is having a difficult communication with your key fob.

Damaged Key Fob Battery

Most key fobs rely on a small battery to power their internal components, including buttons that activate the chip and antenna to emit the radio frequency. The battery also powers the plastic casings that protect the components. The key fob you have will not work if the battery is dead. Fortunately, the solution is simple and affordable: just replace it. In the owner's manual of their product most manufacturers will provide you with instructions on how to replace the key fob's battery. It isn't easy, but it is not hard to do and you'll likely save money by doing it yourself rather than taking the fob to the auto shop or dealership.

There could be a second issue if your key fob still does not work after replacing the batteries. Inspect the key fob for indications of physical damage, for example cracks or scratches. You can also open the case and inspect the circuit board for corrosion or other issues. If you feel confident doing this, you can make use of a cotton swab that has been dipped in rubbing alcohol to clean the contact points on the circuit board. This will eliminate the corrosion without damaging your fob.

Key fobs should also be programmed to connect to the vehicle's receiver. This is done to ensure that only persons who have keys for the same vehicle are able to unlock the car, and to stop other key fobs from trying to gain access to vehicles they weren't designed for. If you've recently had a key fob replaced or repaired, or in the event that it hasn't been used for a while, the receiver and transmitter could have become disconnected.

One method to test this is by using a spare key fob that you have. This will tell you whether the issue is with the key fob, or your vehicle's electrical system. A mechanic at your vehicle will be able to connect any wires that have been disconnected and help you resolve the issue. Try connecting the key fob to another receiver and see if this fixes the issue. If you are unable to connect your key fob to another receiver in your vehicle, you could be required to bring it to a car dealership or auto repair shop to get more detailed repairs.

Key Fob Transmitter Damaged

It can be a big problem when your car key remote repair's key fob fails to work. Fortunately, most key fobs for cars can be repaired with only a few steps. Examine the fob to determine if it has any physical damage, and ensure that it is not just dead. A new battery might be all you need however, if it fails to fix the problem, there could be a more serious problem with the fob transmitter.

It's not surprising that car key fobs wear out over time. They have many moving parts. A damaged transmitter can prevent you from starting your car key repairs or unlocking its doors. A damaged transmitter may also affect radio signals transmitted from your key fob to the receiver inside your remote car key repair. If you suspect your key fob's transmitter is damaged, take it to an expert mechanic in your area for inspection and repair.

Batteries are usually the reason of a key fob that isn't working. Key fob batteries last between three and five years. It is recommended to replace them regularly.

Replacing a key fob's battery is a relatively simple process that can be done by most people at home. All you require is a flat-head screwdriver to pry open the case, then replace the old battery with a brand new one. The majority of key fobs utilize 3V button cells that are sold at most auto parts stores.

Another reason that your key fob may not be responding is due to an ineffective receiver. This is a frustrating issue that usually happens while you are driving. If your key fob isn't appearing to be receiving a signal try putting it inside the driver's side door lock.

A damaged receiver may also cause your keyfob's to behave erratically. For example it might close or shut off the vehicle when you press one of its buttons. Try using a spare keyfob to see whether the vehicle responds. Contact your dealer if don't have an extra keyfob. If your current key fob is still in warranty, a few new-car dealers may be able provide a replacement at no cost.

Damaged key fob receiver

Key fobs can be prone to several issues. They are convenient tools that allow us to lock or unlock, as well as start our cars. If the remote key fob repairs key fob for your vehicle isn't functioning properly, you may need to call a locksmith or auto dealer. Fortunately, a lot of common key fob issues are easily resolved without having to pay for an expensive replacement. Here are five of the most commonly-cited reasons why your key fob may not be functioning:

Key Fob Needs Re-Programming

Over time, the key fob transmitter and receiver may become out of sync with one other. To fix this problem, you'll need to re-sync your key fob and receiver by following the reprogramming directions for your broken car key repair. These instructions can be found in your owner's manual or you can consult the dealer near you to assist you.

If the re-programming of your key fob fails to resolve the problem, there could be other damage or interference to your key fob, or its receiver. Luckily, this issue is easy to fix by opening the key fob to get a closer inspection of the inside. Find evidence of damage, like cracks on the board, tiny electronic components that aren't attached to the board, or damaged or bent battery contacts. Repair the key fob if you spot any of the above.

The best solution for you will depend on your budget and the convenience. If your key fob is damaged or dropped, it may be more economical to replace it by a professional. In any case, be sure to take good care of your key fob to ensure it will continue to provide you with years of uninterrupted operation. By cleaning it regularly and avoiding exposure to extreme magnetic fields or temperatures, you can ensure that it will last for as long as is possible. Furthermore, by selecting a professional with plenty of experience with your specific vehicle's make and model you can be sure that your key fob will always work exactly as intended.