Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
The loss of your key fob down is a frustrating situation. Luckily, most fob problems aren't serious or complicated and can be resolved at home or with an auto locksmith close to you.
The first step is to inspect the fob's keypad for physical damage as well as an unresponsive battery. You can then reset the fob according to the instructions provided in your owner's manual.
Dead Key Fob Battery
With a key fob you can unlock and start your vehicle without fumbling around with your keys. Many models unlock doors trunks, and hatchbacks by pressing the button. A dead key fob is not as difficult to fix as it might seem. Most car owners know that they can go to a dealership or repair shop to get help, but did you realize that you could also try to fix your own fob yourself at home?
You'll first require a brand-new CR2032. You can purchase them in a multipack at most hardware stores. Then you can use a watch or flathead screwdriver to open the fob case. There's usually a slot or notch to get started after you've made the first gap, you'll be able to push your tool in the same way as you would peel an apple or orange to open the case further. Be gentle as you don't want to damage the case of the fob or the circuit board that is inside.
Once you've got your case open, place the battery you just purchased under the tabs highlighted by yellow arrows in this photo. Be sure to insert the battery past the two tabs that are indicated by green arrows. After the new battery is in place, close up your key fob and test it. If it still doesn't work, it might be the right time to contact an expert for more thorough troubleshooting.
In rare instances replacement of a battery in a keyfob can still result in a device that isn't functioning. In this case, there's probably something wrong with the device or vehicle. It's a good idea to keep a spare key fob on the shelf so that you are ready if the original battery fails or a different issue occurs.
In addition to battery replacement, you can ask a professional to inspect and perform other key fob repairs. They can check for damaged buttons or contacts, as well as other parts. They can also perform the reprogramming or synchronization process in the event that your vehicle is having difficulties communicating with your key fob.
Damaged Key Fob Battery
Most key fobs rely on small batteries to power their internal components, which include buttons that trigger the chip and antenna to release radio frequencies. The battery also powers plastic casings that protect the components. If the battery dies, your key fob will not function. 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 replace the battery on the key fob. The process isn't easy however it's not difficult to accomplish 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 work after replacing the batteries. Check the key fob to check if there are any physical damage, like cracks or dent. You can also examine the circuit board by opening the case. If you feel confident doing this, you can make use of a cotton swab that has been coated with rubbing alcohol to clean the contact points on the key fob's circuit board. This will remove corrosion without damaging the fob.
Key fobs also need to be programmed to connect to the vehicle's receiver. This is done to ensure that only persons who have keys for the same vehicle can unlock the car, and to stop other key fobs from trying to access vehicles they are not intended for. If you've recently had a key fob replaced or repaired, or in the event that it hasn't been used for some time the transmitter and receiver may have been disconnected.
An effective way to test this is by using a spare key fob that you have. This will tell you whether the issue is related to the keyfob or with the electrical system of the vehicle. A mechanic in your car will be able to reconnect any disconnected wires and assist you in resolving the problem. You can also try to connect the key fob to another receiver in your vehicle and see if that resolves the problem. If you're unable to do this, you may need to bring your key fob to an auto repair shop or a dealer in your vehicle. repair shop for more in-depth repairs.
Damaged Key Fob Transmitter
It can be a major hassle when your car's key fob doesn't work. Most key fobs for cars can be repairable by following a few easy steps. Check the fob to determine if it has any physical damage and ensure that it is not just dead. A new battery could be all you need however, if it fails to fix the problem, there could be a larger issue with the fob transmitter.

It's not a surprise that car key fobs wear down over time. They have many moving parts. A damaged transmitter can stop you from starting your car or unlocking the doors. Additionally, a damaged transmitter can interfere with the radio signals transmitted between your key fob and the receiver inside the vehicle. If you suspect that your key fob's transmitter is damaged, bring it to a local mechanic for an inspection and repair.
One of the most common reasons why a key fob stops working is because its batteries are dead. Key fob batteries last between three and five years. It is recommended to replace them regularly.
remote key repairs of people can replace the battery inside the key fob at home. You'll need a flat-head screwdriver to pry the case open. Once you have it opened, you'll be able replace the old battery. Most key fobs use 3V button cell batteries that are sold at most auto parts stores.
Another reason your key fob won't respond is because it has an unreliable receiver. This is a frustrating issue and usually occurs when you're driving. If your key fob doesn't appear to be receiving any signals try putting it inside the driver's door lock.
A damaged receiver could cause your keyfob's to behave uncontrollably. For example it may shut off or lock the vehicle if you press one of its buttons. If you have an extra 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, you can call your dealer for service. In some cases, a new-car dealership may be able to offer an alternative for free when your current fob is under warranty.
Damaged Key Fob Receiver
While key fobs are great devices that allow us to lock, unlock, and start our automobiles, they are susceptible to a variety of problems. If your remote key fob for your car isn't functioning properly, it may be the right time to contact a locksmith or your auto dealer for help. Fortunately, most common problems with key fobs can be easily fixed without needing to pay for an expensive replacement. Here are the five most frequent reasons your key fob may not be working:
Key Fob Needs Re-Programming
As time passes, the transmitter and receiver of a key fob for your car can become out-of-sync. To fix this issue you'll need to sync your key fob and receiver by following the reprogramming guidelines for your vehicle. These instructions are available in your owner's manual or you can contact your dealer in your area to assist you.
If reprogramming the keyfob does not resolve the issue, there might be damage or interference with your keyfob or receiver. Fortunately, this is usually simple to fix by opening your key fob to take a closer inspection of the inside. Look for evidence of damage, such as cracks in the board, tiny electronic components that aren’t connected to the board, or damaged or bent battery contacts. If you spot any of these, you can fix your key fob by replacing the damaged parts.
The best option for you will depend on your budget and the convenience. If your key fob is damaged or has been dropped, it could be more affordable to replace it by a professional. In any case, you must take good care of your keyfob to ensure it continues to function smoothly for a long time. You can extend the life of your key fob by cleaning it regularly and avoiding extreme temperatures or electromagnetic fields. By choosing a professional who has experience with the model and make of your vehicle You can be assured that your key fob is working as intended.