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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 fails. Fortunately, most fob issues aren't major or difficult and can be fixed at your home or by an auto locksmith close to you.

First, examine the key fob to see whether it has physical damage or a dead battery. Then, you can reset the fob by following the instructions contained in your owner's manual.

Dead Key Fob Battery

A key fob lets you to unlock and even start your vehicle without having to fiddle using your keys. Many models can even unlock hatchbacks, doors and trunks at the touch of the button. A lost key fob is not as difficult to fix as it may seem. The majority of car owners know they can visit a dealership or repair shop for help, but did you realize that you can also try to fix your own fob yourself at home?

The first thing you'll need is a fresh, new CR2032 battery. They are available in a multipack at many hardware stores. Make use of a flathead screwdriver, or a watch to open the case open. After you've widened the first gap and you're ready to employ your pry tool to open the case. You should be gentle since you don't want to harm the fob or its circuit board.

Once you've got your case open, place the new battery under the tabs that are highlighted by yellow arrows in the photo. Be sure to place the battery over the two smaller tabs indicated by green arrows. Close your key fob after you have installed the new battery and test it. If it's still not working, it might be the time to speak with a professional for more in-depth troubleshooting.

In rare instances, replacing a battery in the keyfob could result in a non-functional device. If this happens, it's a sign that something is wrong with the fob or the vehicle itself. Keep a spare keyfob in your car to ensure you're ready in case the battery dies, or if another problem arises.

You may also ask a professional to carry out other key fob repair services. They can check for damaged buttons or contacts, as well as other parts. They can also carry out the reprogramming or synchronization process if your vehicle is having issues communicating with your keyfob.

Damaged Key Fob Battery

Most key fobs use batteries to power their internal components, such as buttons that trigger the antenna and chip to release a radio frequency. The battery also powers the plastic casings to protect these components. If the battery dies and your key fob stops working, it won't work. The solution is easy and inexpensive: simply replace the battery. There are many manufacturers that have instructions in their user's manuals on how to repair car key fob to replace the key fob battery. The procedure isn't easy but it's easy to complete and you'll probably save money by doing it yourself instead of bringing the fob into the auto shop or dealership.

If your key fob is not working after replacing the battery, you may be experiencing another issue. Check the key fob to see whether there are any physical damages, such as cracks or dent. You can also look inside the case to check the circuit board for signs of corrosion or other issues. If you are at ease, you can use a cotton ball coated with rubbing alcohol to clean contact points on the circuit board of the key fob. This will eliminate the corrosion, but not damage to the fob.

The key fobs must also be programmed so that they can connect to the vehicle receiver. This is done to ensure that only people who have keys for the same vehicle are able to unlock the car and to keep other key fobs out of trying to access vehicles they weren't designed for. If you recently had your key fob repaired or replaced, or when it hasn't used for some time the receiver and transmitter could have become disconnected.

You can test this using a spare remote that you have. This will let you know whether the issue is related to the key fob, or the electrical system of your vehicle. A car mechanic can help you reconnect any disconnected wires and help you solve the issue. You can also try connecting the key fob to a different receiver in your car and see if that solves the issue. If you're unable to connect your key fob to a different receiver in your vehicle, you could have to bring it to a car dealership or auto repair shop for more specific repairs.

Damaged Key Fob Transmitter

It can be a big problem when your car's key fob fails to work. Thankfully, most car key fobs can be repaired with a few simple steps. First, examine the fob for physical damages, and make sure it's not simply dead. A new battery may be all you need, but if it doesn't fix the problem, there could be a more serious issue with the fob transmitter.

It's not a surprise that car key repairs key fobs wear down over time. They have many moving parts. A damaged transmitter for your key fob could hinder your vehicle from starting or from unlocking the doors. Additionally a damaged transmitter may interfere with radio signals transmitted between your mobile key repair fob and receiver inside the vehicle. If you suspect your key fob transmitter is damaged, bring it to an expert mechanic in your area for inspection and repair.

One of the most common reasons that a key fob ceases functioning is because the batteries are dead. Key fob batteries typically last between three and five years, so it's recommended to purchase fresh batteries on a regular basis.

Replacing the battery of a key fob is a relatively simple process that anyone can complete at home. You'll need a flat-head screwdriver to pry the case open. Once you have it opened, you'll be able to replace the old battery. The majority of key fobs utilize 3V button cells that are readily available at many auto parts stores.

A malfunctioning receiver could be the reason behind your key fob not responding. This can be a very frustrating issue that usually happens when you're driving. If your key fob doesn't appear to be receiving a signal, try placing it inside the driver's door lock.

A damaged receiver may also cause your key fob to behave in a strange manner. For example, it could lock or turn off the vehicle when you press one of its buttons. If you have an extra key fob, test 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 for assistance. If your current key fob is in warranty, a few new-car dealers may be able provide a free replacement.

Damaged key fob receiver

Key fobs are fantastic devices that allow us to lock or unlock our vehicles, they are susceptible to a variety of issues. If the remote key fob in your car isn't functioning properly it's possible to call a locksmith or an auto dealer. Fortunately, many common key fob issues are easily fixed without needing to shell out for a costly replacement. Here are five of the most commonly-cited reasons why your key fob might not be working:

Key Fob Needs Re-Programming

As time passes the transmitter and receiver of a key fob for your car may become out of sync. To fix this issue you'll need to sync your key fob and receiver following the reprogramming directions for your vehicle. These instructions are available in the owner's manual or ask your dealer in person for assistance.

If you are unable to solve the issue, there may be other issues or interference to your key fob, or its receiver. Luckily, this is often simple to fix by opening the key fob to take a closer inspection of the inside. Look for evidence of damage, for example cracks on the board, tiny electronic components that aren’t connected to the board, or bent or damaged battery contacts. You can repair the key fob if you spot any of the above.

If you're looking to replace or repair your key fob, the best solution will depend on the source of the problem and the amount you value convenience and cost. If your key fob is damaged or dropped, it might be more affordable to replace it professionally. In any event, take good care of your keyfob so that it can work smoothly for many years. By cleaning it regularly and avoiding exposure to extreme temperatures or electromagnetic fields you can ensure that it will last as long as possible. Additionally, by selecting an expert with a lot of experience in your particular car's model and make and model, you can be confident that your key fob will perform exactly as you intended it to.