Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
It can be a traumatic experience when your key fob malfunctions. Most fob problems can be resolved at home by an auto locksmith or are not serious.
The first step is to inspect the fob's keypad for physical damage and a dead battery. Then, try to reset the fob according to instructions from your owner's manual.
Dead Key Fob Batteries
Key fobs allow you to open and start your vehicle without having to mess around with your physical keys. A lot of models unlock doors, trunks, and hatchbacks by pressing the button. While the battery for your key fob has died might seem like a major inconvenience, it's actually one of the easiest issues to fix. Most car owners know that they can go to a dealership or repair shop for help, but did you realize that you could also try to fix your own fob at home?
The first thing you'll need is a fresh, new CR2032 battery. You can buy them in a multipack at many hardware stores. Use a flathead screwdriver or watch to push the case open. After you've widened the first gap then you can use your pry tool to open the case. Be gentle since you don't want to damage the fob or its circuit board.
Insert the new battery under the tabs that are marked with yellow arrows on this photo. Be sure to insert the battery past the two smaller tabs indicated by green arrows. Close your key fob after installing the new battery and test it. If it's still not working then it's the right time to contact an expert for more thorough troubleshooting.
In rare instances replacing a battery on a keyfob can still result in a malfunctioning device. In this situation, there's probably something wrong with the fob or vehicle. It's a good idea to keep an extra key fob on to be prepared if the battery of your original is dead or a problem occurs.
You may also ask a professional to perform other key fob repair procedures. They can check for damages to buttons or contacts as well as other components and also do reprogramming and synchronization if your vehicle is having a hard communication with your key fob.
Damaged Key Fob Battery
The majority of key fobs are powered by a small battery that powers the internal components. This includes the buttons that trigger the antenna and chip to release the radio frequency. The battery also powers the plastic casing which protects these components. If the battery dies and your key fob stops working, it will not work. Fortunately, the solution is simple and inexpensive simply replacing it. There are many manufacturers that have instructions in their user's manuals on how to change the key fob battery. It can be a little tricky but it's easy to complete and you'll probably save money by doing it yourself, rather than bringing the fob into the auto shop or dealership.
You could have a different problem if your key fob does not function after replacing the batteries. Examine the key fob for signs of physical damage, for example cracks or dents. You can also look inside the case to check the circuit board for signs of corrosion or other issues. If you are confident doing this, you can use a cotton swab that has been soaked in rubbing alcohol to clean the contact points on the key fob's circuit board. This will remove the corrosion without causing any damage to the fob.
Key fobs also need to be programmed to connect to the receiver in the vehicle. This is done so that only those who have keys to the same car can unlock the vehicle, and to stop key fobs that are not designed for the vehicle from attempting to open it. If you've recently had your key fob repaired or replaced or it's been unused for a long time the transmitter and receiver may have been disconnected.
You can test this using a spare remote that you have. This will let you know whether the issue is related to the keyfob or with the electrical systems of your vehicle. A mechanic can help fix the problem by reconnecting any wires that have been disconnected. Try connecting the key fob with another receiver and try to determine if this solves the issue. If you're unable to do this, you may need to bring your key fob to a car dealer or auto repair shop for more in-depth repairs.
Damaged Key Fob Transmitter
It can be a big problem when your car's key fob doesn't work. Fortunately, the majority of key fobs for cars can be repaired by following a few simple steps. Examine the fob to determine whether it's suffering from 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 could be a more serious issue with the fob's transmitter.
Car key fobs contain a lot of moving parts, so it's not unreasonable to expect them to suffer wear and tear over the course of time. A damaged fob transmitter can stop your car from starting or unlocking the doors. In addition a damaged transmitter may affect the radio signals sent between your key fob and receiver inside the vehicle. If you suspect your key fob's transmitter is damaged, bring it to a local mechanic for an inspection and repair.
Batteries are often the cause of a key fob not working. Key fob batteries last between three and five years. It is best to replace them regularly.
The majority of people can change the battery inside the key fob at home. You'll need an flat-head screwdriver to open the case open, and then you'll be able to replace the battery. Most key fobs use 3V button cell batteries, which are available at most auto parts stores.
Another reason your key fob may not be responding is because it has a defective receiver. This can be a problem that is frustrating, since it typically occurs when you're driving. If you find that your key fob doesn't receive a signal from the vehicle, try placing it in the driver's door lock.
A damaged receiver may cause your key fob to behave in a strange manner, for example, turning off or locking the vehicle whenever 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. Contact your dealer if do not have a spare keyfob. In some instances the new-car dealership might be able to provide the replacement at no cost if your current fob is under warranty.
Damaged Key Fob Receiver
While key fobs are great convenience tools that allow us to lock, unlock, and start our vehicles, they can be susceptible to a variety of issues. If your remote key fob for your vehicle isn't working correctly, you may need to call a locksmith or an auto dealer. Fortunately, many common problems with key fobs can be easily resolved without having to pay for an expensive replacement. Here are five of the most frequent reasons why your key fob might not be working:
Key Fob Needs Re-Programming
Over time, a car's key fob receiver and transmitter could get out of sync with one other. To fix this issue it is necessary to re-synchronize your key fob and receiver following the reprogramming guidelines for your vehicle. These instructions are available in the owner's manual or ask your dealer in person for assistance.
If reprogramming the keyfob does not solve the issue, there might be damage or a problem with your receiver or keyfob. key repair service 's usually simple to repair if you open your key fob and take a close look inside. Look for evidence of damage, like cracks on the board, tiny electronic components that aren't attached 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're looking to repair or replace your key fob, the best solution will depend on the source of the issue and how much you value convenience and cost. However, if your key fob was damaged or dropped, or has been subjected to other forms of physical damage it might be simpler and less expensive to have it replaced by a professional. In any case, you must take good care of your key fob to ensure that it continues to perform smoothly for a long time. You can prolong its lifespan by cleaning it regularly and avoiding extreme temperatures or electromagnetic fields. By choosing an expert who is familiar with the make and model of your vehicle You can be assured that your key fob is always functioning as it should be.