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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. Luckily, most fob problems aren't serious or complicated and can be solved at home or with an auto locksmith near you.
First, examine the fob that you use to check if it has any physical damage or an inoperative battery. Then, try resetting the fob according to instructions from your owner's manual.
Dead Key Fob Batteries
With a key fob, you can start and unlock your vehicle without having to fumble around with your keys. Many models unlock doors, trunks, and hatchbacks with pressing the button. Although a dead key fob battery might seem like a major issue, it's actually just one of the easiest issues to resolve. Many car owners know that they can visit a dealership or repair shop for help, but did you realize that you could also attempt to fix your own key fob at home?
The first thing you'll need is a brand new, fresh CR2032 battery. Most hardware stores carry batteries in multipacks. Then you can use an flathead screwdriver or watch to pry open the fob case. There's typically an opening or slot to start and after you've created the first gap, you can use your tool as you peeling an orange or apple to open the case more. It is recommended to be gentle, as you don't want to damage the fob's case or the circuit board inside.
When you've got the case open, insert the new battery underneath the tabs highlighted by yellow arrows in this image. Make sure that it is between the two smaller tabs highlighted by the green arrows. Close your key fob after installing the new battery and test it. If the key fob does not work, you may require contacting a professional for a more thorough troubleshooting.
In rare cases, replacing the battery in a key fob can still leave you with a nonfunctional device. In this instance there's probably a problem with the device or vehicle. Keep a spare keyfob handy to be prepared in the event that your battery dies, or if another problem arises.
In addition to battery replacement, you may also request a professional to inspect and make other repairs to your key fob. They can inspect for damaged buttons as well as contacts and other components. They can also do the reprogramming or synchronization process if your vehicle is having issues communicating with your key fob.
Damaged Key Fob Battery
The majority of key fobs are powered by a small battery that powers their internal components. This includes the buttons that turn on the antenna and chip to release a radio frequency. The battery also powers the plastic casing which protects these components. Your key fob will not function if the battery is dead. The solution is easy and affordable: replace the battery. In the owner's manual of their product the majority of manufacturers offer instructions on how to replace key fob's battery. It's not difficult and you'll save money by doing it on your own instead of taking the fob to a dealer or auto shop.
There could be a second issue if the key fob does not work after replacing the batteries. Examine the key fob for indications of physical damage, like cracks or scratches. You can also examine the circuit board by opening the case. If you are at ease, you can use a cotton ball dipped into alcohol to clean the contact points on the circuit board of the key fob. This will eliminate corrosion without causing damage to the fob.
The key fobs also need to be programmed so that they can connect to the vehicle receiver. This is to ensure that only persons who have keys for the same vehicle are able to unlock the car and to keep other key fobs out of attempting to access vehicles that they weren't designed for. If you've recently had your key fob repaired or replaced or it has been in use for a while, the transmitter and receive could have become disconnected.
You can test this using a spare remote control that you have. This will help you determine whether the issue is with the keyfob, or the electrical systems of your vehicle. A mechanic can help you solve the issue by reconnecting any wires that are disconnected. You can also try connecting the key fob to an alternative receiver in your car and see if that resolves the problem. If you are unable to connect your key fob to an alternative receiver in your vehicle, you might have to take it to a car dealership or auto repair shop to get more specific repairs.
Key Fob Transmitter Damaged
If your car's key fob isn't working, it could be a major issue. Thankfully, most car key fobs can be fixed with just a few steps. Examine the fob to determine whether it's got any physical damage, and ensure that it is not just dead. A new battery might be all that's needed, but if it doesn't solve the issue, it could be a more serious issue with the fob transmitter.
Car key fobs have a lot of moving parts, so it's normal for them to undergo wear and tear over the course of time. A damaged fob transmitter can prevent your vehicle from starting or from unlocking the doors. Furthermore, a damaged transmitter can interfere with the radio signals transmitted between your key fob and the receiver inside the vehicle. Bring your key fob to a technician to be repaired and inspected if you think that the transmitter may be damaged.
One of the most common reasons a key fob stops working is that its batteries are dying. Key fob batteries typically last between three and five years, which is why it's a good idea to purchase fresh batteries regularly.
Replacing a key fob's battery is a simple task that most people can do at home. All you require is a flat head screwdriver to pry open the case, and then you can replace the old battery with a new one. Most key fobs use 3V button cell batteries that are sold at most auto parts stores.
Another reason your key fob may not be responding is because of an ineffective receiver. This is a frustrating issue, as it usually occurs while you are driving. If you find that your key fob doesn't receive any signal from the vehicle, try putting it in the door of the driver's lock.
A damaged receiver could cause your key fob to act in a strange manner, for example, shutting off or locking the vehicle whenever you press one of its buttons. Try using an alternate keyfob to determine if the vehicle will respond. Call your dealer if you don't own an extra keyfob. If your current key fob is in warranty, a few dealerships selling new cars may be able to provide a free replacement.
Keys damaged Fob Receiver
Key fobs can be prone to a number of problems. They're useful devices that let us lock, unlock and start our vehicles. If your remote key fob for your car isn't working correctly it's likely that you need to contact a locksmith or auto dealer. Many common key fob problems are easily fixable without the need to purchase an expensive replacement. Here are the five most common reasons your key fob may not be working:
Key Fob Needs Re-Programming
Over time, the key fob transmitter and receiver may be out of sync with one the other. To fix this problem, you'll need to re-sync your key fob and receiver by following the reprogramming guidelines for your vehicle. These instructions are available in your owner's guide or ask your local dealer for assistance.
If you are unable to solve the issue, there could be a different cause of damage or interference to your key fob or its receiver. Fortunately, this is usually simple to fix by opening the key fob to take a closer look at the interior. Look for indications of damage, such as cracks in the circuit board, teeny electronic components that aren't fully attached to the circuit board or bent or damaged battery contacts. If broken car key repair find any of these, you can fix your key fob by replacing damaged components.
The best solution for you depends on your budget and the convenience. However, if your key fob has been damaged by a fall or other physical damages, it may be easier and less expensive to replace it by a professional. In any case, be sure to take care of your key fob so that it will continue to provide you with years of smooth operation. By regularly cleaning it and avoiding exposing it extreme temperatures or electromagnetic fields you can ensure it will last for the longest time possible. Furthermore, by selecting an expert with a lot of experience in your particular car's model and make, you can rest assured that your key fob will always function exactly as it was intended to.