Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
It can be a stressful experience when your key fob malfunctions. Fortunately, most fob issues aren't serious or complicated and can be fixed at your home or by an auto locksmith near you.
First, check the fob that you use to check whether it has physical damage or a dead battery. Then, you can try resetting the fob by following the instructions in your owner's manual.
Dead Key Fob Batteries
With a key fob you can open and start your vehicle without fumbling around with your keys. A lot of models unlock doors, trunks, and hatchbacks by pressing the button. A broken key fob isn't as difficult to fix as it may appear. You can take your car to a repair shop or dealership for help. But did you know that you can also fix your fob yourself?
The first thing you'll require is a new, clean CR2032 battery. You can buy them in a multipack from most hardware stores. Use a flathead screwdriver or watch to push the case open. Once you have opened the first gap, you can make use of your tool to further open the case. You should be gentle in order not to damage the fob, or its circuit board.
The new battery should be placed under the tabs that are marked with yellow arrows on this photo. Be sure to place the battery over the two tabs that are indicated by the green Arrows. Once the new battery has been put in place, close up your key fob, and then test it. If it's still not working it could be time to call a professional for more in-depth troubleshooting.
In rare cases, replacing the battery in a key fob can still leave you with a nonfunctional device. If this happens, it's a sign that there's a problem with your fob or the vehicle itself. Keep a spare keyfob handy so that you're prepared in the event that the battery fails or if an issue arises.
In addition to battery replacement, you may also request a professional to inspect and make other key fob repairs. They can check for damage to buttons or contacts as well as other components, as well as do reprogramming and synchronization if the vehicle is having a difficult time communicating with your key fob.
Damaged Key Fob Battery
The majority of key fobs are powered by a tiny battery, which powers the internal components. This includes the buttons that trigger the chip and antenna for releasing a radio frequency. The battery also powers the plastic casings that protect these components. The key fob you have will not function if the battery is dead. The solution is simple and affordable: replace the battery. In the owner's manual of their product, many manufacturers provide instructions on how to replace key fob's batteries. The procedure may be a bit difficult but it's not difficult to accomplish and you'll likely save money by doing it yourself rather than taking the fob to the 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 scratches. You can also examine the circuit board by opening the case. If you feel at ease, use a cotton ball that has been dipped in alcohol to clean the contact points on the circuit board of the key fob. This will remove the corrosion without causing damage to the fob.
Key fobs must also be programmed to connect to the receiver in the vehicle. This is to ensure that only those with keys for the same vehicle can unlock the car and to prevent other key fobs from trying to gain access to vehicles they were not designed for. If you've recently had your keyfob repaired or replaced or if it has been in use for a while the transmitter and receive may have become disconnected.
You can test this using a spare remote control that you own. This will let you know whether the issue is related to the key fob, or the electrical system in your vehicle. A mechanic can help resolve the issue by reconnecting any wires that have been disconnected. Alternatively, you can try connecting the key fob to another receiver in your car and see if this resolves the problem. If you're unable to connect your key fob to a different receiver in your vehicle, you could be required to bring it to a car dealership or auto repair shop to get more detailed repairs.
Damaged Key Fob Transmitter
It can be a major hassle when your car's key fob stops working. Fortunately, the majority of car key fobs can be repaired by following just a few steps. Check the fob to determine if it has any physical damage and make sure that it's not dead. If remote car key repairs does not fix the issue, it could be something more serious.
Car key fobs have many moving parts, so it's normal for them to undergo wear and tear over time. A damaged transmitter for your key fob could prevent your car from starting or unlocking the doors. Furthermore, a damaged transmitter can interfere with radio signals sent between your key fob's receiver and your key fob inside the vehicle. If you suspect that your key fob's transmitter is damaged, bring it to a local mechanic for inspection and repair.
Batteries are often the cause of a key fob that isn't working. Key fob batteries usually last between three and five years, which is why it's a good idea to buy new ones on a regular basis.
The majority of people can change the battery on a key fob at home. You'll need a flat-head screwdriver to pry the case open, and after that you'll be able to replace the old battery. Most key fobs are powered by 3V button cells which can be found in most auto parts stores.

Another reason your key fob won't respond is because it has an unreliable receiver. This could be a frustrating issue, because it usually happens when you're driving. If your key fob isn't appearing to be receiving any signals, try placing it inside the driver's door lock.
A damaged receiver can also cause your key fob to act uncontrollably, such as turning off or locking the vehicle when you press one of its buttons. If you have a spare key fob, try using it to see if it will respond to the vehicle's commands. Call your dealer if you don't have an extra keyfob. In some instances the new-car dealership might be able to provide the replacement at no cost in the event that your current fob is covered by warranty.
Key fob receiver damaged
Key fobs are fantastic convenience tools that allow us to lock or unlock our vehicles, they can be vulnerable to a myriad of problems. If your remote fob in your car isn't functioning properly it's time to call a locksmith or an auto dealer for help. Many common key fob problems are easily fixable without the need for an expensive replacement. Here are the five most frequent reasons your key fob might not be responding:
Key Fob Needs Re-Programming
As time passes the receiver and transmitter of a key fob for your car could become out-of-synchrony. To fix this issue you'll need to sync your key fob and receiver following the reprogramming guidelines for your car. These instructions are available in your owner's guide or contact your local dealer for assistance.
If re-programming your key fob doesn't resolve the problem, there may be other issues or interference to the key fob or its receiver. Luckily, this issue is simple to fix by opening your key fob to get a closer look at the interior. Check for signs of damage, such as cracks in the board, tiny electronic components that aren't connected to the board or bent or damaged battery contacts. Repairing the key fob in the event that you discover any of the above.
Whether you need to replace or repair your key fob, the best solution will depend on the source of the problem and how much you value convenience and cost. If your key fob is damaged or dropped, it could be more economical to replace it by a professional. In any event, take good care of your keyfob to ensure it continues to perform smoothly for a long time. By cleaning it regularly and avoiding exposure to extreme magnetic fields or temperatures, you can ensure it will last for as long as is possible. If you choose a professional with experience with the model and make of your vehicle You can be assured that your key fob is functioning as it should be.