Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
A key fob that breaks down can be an inconvenient situation. Most fob problems can be fixed at home by an auto locksmith or aren't serious.
The first step is to check the fob for physical damage and dead batteries. Then, you can reset the fob by following the instructions in your owner’s manual.
Dead Key Fob Batteries
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. repair car keys lost key fob isn't as difficult to fix as it might seem. You can take your vehicle to an repair shop or a dealership for help. But did you know that you can also fix your fob yourself?
You'll first require a brand-new CR2032. Most hardware stores sell batteries in multipacks. Make use of a flathead screwdriver, or a watch to pry the case open. Once you have opened the first gap and you're ready to use your pry tool to open the case. It is recommended to be gentle as you don't want to break the case of the fob or the circuit board that is inside.

Place the new battery in the tabs marked with yellow arrows on this image. Make sure to place the battery over the two smaller tabs indicated by the green Arrows. Close your key fob after you have installed the new battery and then test it. If it doesn't work then it's time to call an expert for more detailed troubleshooting.
In rare instances, replacing a battery in a keyfob may result in a malfunctioning device. In this instance there's probably a problem with the device or vehicle. Keep a spare keyfob handy to ensure you're ready in case the battery dies, or if another problem occurs.
You can also request a professional to carry out other key fob repair procedures. They can check for damage to buttons and contacts, as well as other parts and also perform reprogramming and synchronization if the vehicle is having a hard communicating with your key fob.
Damaged Key Fob Battery
The majority of key fobs are powered by a tiny battery that powers their internal components. This includes the buttons that trigger the antenna and chip for releasing the radio frequency. The battery also powers the plastic casing which protects these components. Your key fob will not work if the battery is dead. Fortunately, the solution is easy and cheap: just replace it. In their owner's manual most manufacturers will provide you with instructions on how to replace key fob batteries. It's not a difficult task and you can save money by doing it yourself instead of taking the fob to a dealer or auto shop.
You may have a different problem if your key fob doesn't work after replacing the batteries. Check the key fob for signs of physical damage, like cracks or dents. You can also open the case and inspect the circuit board for signs of corrosion or other issues. If you're comfortable doing this, you can use a cotton swab dipped in rubbing alcohol to clean the contact points on the key fob's circuit board. This will eliminate the corrosion, but not damage to your fob.
The key fobs also need to be programmed to connect to the vehicle receiver. This is done to ensure that only those with keys for the same vehicle can unlock the car, and to stop other key fobs from trying to gain access to vehicles they are not intended for. If you've recently had your key fob repaired or replaced or if it hasn't been used for a while the transmitter and receiver may have been disconnected.
You can test this using a spare remote control that you own. This will help you determine whether the issue is related to the keyfob or with the vehicle's electrical systems. A mechanic can help resolve the issue by reconnecting any disconnected wires. You can also try connecting the key fob with a different receiver and see if this fixes the problem. If you're unable to accomplish this, you may need to bring your key fob to a car dealer or auto repair shop for more extensive repairs.
Key Fob Transmitter Damaged
It's a huge inconvenience when your car key fob stops working. Fortunately, the majority of key fobs for cars can be repaired with just a few steps. First, examine the fob for physical damage, and ensure that it's not just dead. A new battery may be all you need, but if it doesn't fix the problem, there could be a more serious issue with the fob transmitter.
It's not a surprise that key fobs for cars wear out with time. They're made of a variety of moving parts. A damaged transmitter could stop you from opening your car or locking the doors. key repair service damaged transmitter could also interfere with radio signals that are sent from your key fob to the receiver in the car. If you suspect that your key fob transmitter is damaged, bring it to a local mechanic for inspection and repair.
One of the most common reasons why a key fob stops working is because its batteries are dying. Key fob batteries typically last between three and five years, so it's a good idea to buy new batteries regularly.
Replacing the battery of a key fob is a relatively simple process that most people can do at home. All you need is a flat head screwdriver to break open the case, and then replace the old battery with a new one. The majority of key fobs utilize 3V button cells that are readily available at many auto parts stores.
Another reason why your key fob may not be responding is because of a defective receiver. This is a frustrating problem that usually happens while you are driving. If your key fob isn't appearing to be receiving any signals try putting it inside the driver's side door lock.
A damaged receiver could cause your keyfob to act erratically. For instance it may shut off or lock the vehicle if you press one of its buttons. If you have an extra key fob, test it to see if it is able to respond to the vehicle's commands. If you don't have an additional key fob, you can call your dealer for service. In some cases, a new-car dealership may be able to offer the replacement at no cost if your current fob is under warranty.
Key fob receiver damaged
Key fobs are great convenience tools that let us lock, unlock, and start our vehicles, they can be vulnerable to a myriad of problems. If your remote fob in your car isn't working properly, it may be time to call an auto locksmith or locksmith dealer for assistance. Many common key fob problems can be easily fixed without the need for an expensive replacement. Here are the five most common reasons your key fob may not be responding
Key Fob Needs Re-Programming
As time passes the receiver and transmitter of a key fob for your car may become out of sync. To resolve this issue, you'll need to re-sync the key fob and its receiver by following reprogramming instructions for your vehicle. These instructions can be found in the owner's manual or you can ask the dealer near you to assist you.
If reprogramming your keyfob does not solve the issue, there might be a problem or an interference with your receiver or keyfob. It's usually simple to fix if you take off your key fob and take a closer look inside. Check for indications of damage, such as cracks in the circuit board, tiny electronic components that aren't attached to the circuit board, or bent or damaged battery contacts. If you spot any of these, you can repair your key fob by replacing damaged parts.
The best option for you is based on your budget and the convenience. If your key fob is damaged or dropped, it might be more economical to replace it professionally. In any event, take good care of your key fob so that it can work smoothly for many years. By regularly cleaning it and avoiding exposing it extreme magnetic fields or temperatures, you can ensure that it will last for as long as possible. In addition, by choosing an expert with a lot of experience working with your particular car's model and make and model, you can be confident that your key fob will always work exactly as intended.