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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 breaks down. Luckily, most fob problems aren't too serious or complex and can be solved at home or with an auto locksmith near you.
The first step is to examine the fob for physical damage and dead batteries. Then, try resetting the fob using instructions in the owner's manual.
Dead Key Fob Batteries
A key fob allows you to unlock and start your vehicle without having to mess around with your physical keys. Some models even unlock hatchbacks, doors and trunks at the touch of a button. While a dead key fob battery could be a huge issue, it's actually just one of the easiest problems to resolve. You can take your vehicle to an auto repair shop or dealership for assistance. But did you know that you can fix your fob on your own?
The first thing you'll need is a new, clean CR2032 battery. You can buy them in a multipack at many hardware stores. Then you can use an flathead screwdriver or watch to pry the case of the fob. There's usually an opening or slot to start after you've made the first gap you can push your tool in the same way as you peeling an apple or orange to open the case further. You should be gentle since you don't want to harm the fob or its circuit board.
The new battery should be placed under the tabs that are marked with yellow arrows on this image. Be sure to insert the battery past the tabs smaller than those highlighted by green arrows. After the new battery is in place, close up your key fob and test it. If it's still not working, it might be the right time to contact an expert for more detailed troubleshooting.
In rare instances replacement of a battery in a keyfob may result in a device that isn't functioning. In this case, there's probably something wrong with the vehicle or the fob. Keep a spare keyfob handy so that you're prepared in the event that the battery fails or if a problem arises.
You may also ask an expert to provide other repair services for your key fob. They can inspect for damaged buttons as well as contacts and other components. They can also carry out the reprogramming process or synchronization in the event that your vehicle is having trouble communicating with your key fob.
Damaged Key Fob Battery
Most key fobs rely on small 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 that protect these components. Your key fob will not function if the battery is dead. Fortunately, the solution is simple and inexpensive to replace it. Many manufacturers have directions in their owner's manual on how to replace the battery of the key fob. It can be a little tricky but it's not hard to do and you'll likely save money by doing it yourself instead of bringing the fob into an auto shop or dealership.
You could have a different issue if your key fob does not function after replacing the batteries. Check the key fob for indications of physical damage, such as cracks or dents. You can also look inside the case to check the circuit board for corrosion or other issues. If you are comfortable, you can employ a cotton ball dipped into rubbing alcohol to clean contact points on the circuit board of the key fob. This will eliminate the corrosion without damaging the fob.
The key fobs should also be programmed to connect to the vehicle receiver. This is to ensure that only those who have the keys to the same vehicle can unlock the vehicle and to make sure that key fobs not meant for that vehicle from attempting to open it. If you've recently had your key fob repaired or replaced or it's been unoccupied for a while, the transmitter and receive could have become disconnected.
One method to test this is by using an extra key fob you have. This will let you know if the issue is with the keyfob or with the electrical system of the vehicle. A car mechanic can help you reconnect any disconnected wires and help you solve the problem. You could also try connecting the key fob to an alternative receiver to check if that fixes the issue. If you're not able to do this, you might need to take your key fob into a car dealer or auto repair shop for more extensive repairs.
Damaged Key Fob Transmitter
If your car's key fob stops working, it can be a major inconvenience. Thankfully, most key fobs for cars can be repaired by following just a few steps. Examine the fob to determine if it has any physical damage, and ensure that it's not dead. A new battery may be all you need, but if it doesn't fix the issue, there may be a bigger issue with the fob transmitter.
It's not surprising that car key fobs wear down over time. They have many moving parts. A damaged transmitter can prevent you from starting your car or unlocking its doors. In addition the damaged transmitter could interfere with radio signals that are sent between your key fob's receiver and your key fob inside the vehicle. If you suspect that your key fob's transmitter has been damaged, take it to a local mechanic for an inspection and repair.
One of the main reasons that a key fob ceases working is that its batteries are depleted. Key fob batteries last between three and five years. It is recommended to replace them on a regular basis.
The replacement of a key fob's battery is a simple task that most people can do at home. You'll require an flat-head screwdriver to open the case open, and after that you'll be able to replace the old battery. Most key fobs use 3V button cells that are readily available at many auto parts stores.
A damaged receiver may be the cause of your key fob not responding. This can be a very frustrating issue, as it usually occurs when you're driving. If car key remote repair near me fob isn't appearing to be receiving any signals try putting it inside the driver's door lock.
A damaged receiver may cause your key fob to act uncontrollably, such as shutting off or locking the vehicle whenever you press one of its buttons. If you have an extra key fob, you can try using it to see if it can respond to the vehicle's commands. If you don't have a spare key fob, you can call your dealer for service. In some instances, a new-car dealership may be able to provide a replacement for free in the event that your current fob is under warranty.
Key fob receiver damaged
Key fobs are great convenience tools that let us lock and unlock our vehicles, they can be vulnerable to a myriad of problems. If your remote key fob for your vehicle isn't functioning properly it's possible to contact a locksmith an auto dealer. Most common problems with key fobs can be easily fixed without the need for an expensive replacement. Here are the five most common reasons why your key fob may not be working:
Key Fob Needs Re-Programming
Over time the receiver and transmitter of a key fob for your car may become out of sync. To fix this issue, you'll have to reconnect the key fob to its receiver following the reprogramming instructions for your vehicle. You can find these instructions in the owner's manual or contact your dealer in person for assistance.
If you are unable to resolve the problem, there could be other damage or interference to the key fob or its receiver. This is usually easy to fix if you open your key fob and take a closer look inside. Find indications of damage, such as cracks in the circuit board, teeny electronic components that aren't connected to the circuit board or bent or oxidized battery contacts. If you find any of these, you can repair your key fob by replacing damaged parts.
The best option for you will depend on your budget and ease of use. If your key fob is damaged or has been dropped, it might be more affordable to replace it by a professional. In any case, make sure to take good care of your key fob to ensure it can continue to give you years of uninterrupted operation. By cleaning it regularly and avoiding exposure to extreme temperatures or electromagnetic fields you can ensure it will last for as long as is possible. In addition, by choosing a professional with plenty of experience with your specific car's model and make you can be sure that your key fob will perform exactly as you intended it to.