Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
A key fob that breaks down is an unpleasant situation. The majority of fob issues can be fixed at home by an auto locksmith, or aren't important.
The first step is to inspect the key fob for physical damage as well as dead batteries. Then, try resetting the fob using instructions in your owner's manual.
Dead Key Fob Battery
With a key fob, you can unlock and start your vehicle without having to fiddle around with your keys. Many models unlock doors, hatchbacks, and trunks by pressing a button. Although the battery for your key fob has died may seem like a huge issue, it's actually just one of the most simple issues to resolve. You can take your car to an auto repair shop or dealership for help. But did you know that you could fix your fob on your own?
You'll need a brand new CR2032. You can buy them in a multipack at most hardware stores. Make use of a flathead screwdriver or a watch to pry the case open. Once you've opened the first gap then you can use your pry tool to further open the case. Be gentle in order not to damage the fob or its circuit board.
Once you've got your case open, place the new battery underneath the tabs that are highlighted by yellow arrows in this photo. Make sure to place the battery over 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 still doesn't work, it might be the right time to contact an expert for more detailed troubleshooting.
In rare instances replacement of the battery in the key fob could result in a malfunctioning device. In this situation there's probably a problem with the device or vehicle. It's a good idea to keep an extra key fob on hand so you can be prepared when the original battery fails or a different issue occurs.
In addition to battery replacement, you can also ask a professional to inspect and make other repairs to your key fob. They can check for damaged buttons as well as contacts and other parts. They can also perform the reprogramming or synchronization process if your vehicle is having issues communicating with your keyfob.
Key Fob Battery Damage
The majority of key fobs are powered by a small battery that powers the internal components. This includes the buttons that turn on the chip and antenna for releasing a radio frequency. The battery also powers the plastic casing which protects these components. these details will not function if the battery is dead. The solution is easy and affordable: replace the battery. There are many manufacturers that have instructions in their user's manuals on how to change the key fob battery. The process isn't easy but it's not difficult to accomplish and you'll probably save money by doing it yourself rather than bringing the fob into a dealership or auto shop.
If your key fob is still not working after replacing the battery, you may be experiencing another issue. Examine the key fob for signs of physical damage, such as cracks or dents. You can also check the circuit board by opening the case. If you're 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 remove corrosion without causing any damage to the fob.
The key fobs should also be programmed so that they can connect to the vehicle receiver. This is done so that only those who have the keys to the same car can unlock the vehicle and to make sure that key fobs not designed for the vehicle from attempting to open it. 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 been disconnected.
You can test this by using a spare remote that you own. This will let you know whether the issue is with the keyfob, or the vehicle's electrical systems. A mechanic can help you resolve the issue by reconnecting any wires that are disconnected. You can also try to connect the key fob to an alternative receiver in your car and see if that solves the issue. If you're unable to accomplish this, you may need to bring your key fob into an auto dealer or repair shop for more thorough repairs.
Key Fob Transmitter Damaged

It can be a big hassle when your car's key fob doesn't work. Most key fobs for cars can be repairable by following a few simple guidelines. First, examine the fob for physical damages, and make sure it's simply dead. If a new battery does not solve the issue, it could be a more serious issue.
Car key fobs have lots of moving parts, so it's normal for them to undergo wear and tear with time. A damaged fob transmitter can prevent your vehicle from starting or opening the doors. Furthermore, a damaged transmitter can affect the radio signals sent between your key fob and the receiver inside the vehicle. Bring your key fob to a professional for repair and inspection in the event that you think that the transmitter may be damaged.
Batteries are usually the reason of a key fob not working. Key fob batteries last between three and five years. It is best to replace them on a regular basis.
Replacing a key fob's battery is a fairly simple procedure that anyone can complete at home. You will need a flat-head screwdriver to pry the case open, and after that you'll be able replace the battery. The majority of key fobs are powered by 3V button cells, which can be found in most auto parts stores.
A malfunctioning receiver could be the reason behind your key fob not responding. This is a frustrating problem that usually happens when you're driving. If your key fob isn't appearing to be receiving a signal, try placing it inside the driver's side door lock.
A damaged receiver may also cause your keyfob's to behave uncontrollably. For instance it might shut off or lock the vehicle when you push one of its buttons. Try using a spare keyfob to see whether the vehicle responds. If you don't have an additional key fob, contact your dealer for assistance. In some cases, a new-car dealership may be able to provide a replacement for free if the current fob is in warranty.
Keys damaged Fob Receiver
While key fobs are great devices that allow us to lock or unlock our vehicles, they can be vulnerable to a myriad of problems. If your remote key fob in your car isn't working correctly it's possible to call a locksmith or auto dealer. Most common problems with key fobs can be easily fixed without the need to purchase an expensive replacement. Here are the five most commonly-cited reasons why your key fob might not be responding:
Key Fob Needs Re-Programming
Over time, the key fob transmitter and receiver can get out of sync with one the other. To fix this issue you'll need to sync your key fob and receiver following the reprogramming instructions for your vehicle. These instructions are available in your owner's guide or contact your local dealer for assistance.
If you are unable to fix the issue, it could be other damage or interference to your key fob, or its receiver. Fortunately, this is usually easy to fix by opening your key fob to get a closer look at the interior. Find evidence of damage, like cracks on the board, tiny electronic components that aren't connected to the board or damaged or bent battery contacts. If you find any of these, you can fix your key fob by replacing the damaged components.
If you have to repair or replace your key fob, the most effective solution depends on the cause of the issue and how much you value convenience and cost. 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 event, make sure to take good care of your key fob so it will continue to give you years of uninterrupted operation. By cleaning it regularly and avoiding exposing it to extreme temperatures or electromagnetic fields you can ensure it will last as long as is possible. By choosing an expert who is familiar with the model and make of your vehicle, you can be sure that your key fob is working as intended.