Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
Having your key fob break down is an unpleasant situation. Fortunately, most fob issues aren't serious or complicated and can be fixed at home or with an auto locksmith near you.
The first step is to inspect the key fob for physical damage and an unresponsive battery. Then, you can reset the fob according to the instructions provided in your owner's manual.
Dead Key Fob Battery
A key fob allows you to open and start your car without fumbling around with your physical keys. Many models unlock doors hatchbacks, and trunks by pressing the button. A lost key fob is not as difficult to fix as it may seem. You can take your vehicle to an repair shop or a dealership for help. But did you know that you could 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. Make use of a flathead screwdriver or a watch to open the case open. Once you have opened the first gap, you can use your pry tool to open the case. You should be gentle since you don't want to damage the fob or its circuit board.
The new battery should be placed under the tabs marked with yellow arrows on this photo. Make sure it goes in past the two smaller tabs highlighted by the green arrows. After the new battery is installed, close your key fob and try it. If the key fob still does not work, you may require the assistance of an expert for more detailed troubleshooting.
In rare cases replacing a battery on the keyfob could result in a malfunctioning device. If this happens, it's likely that there's a problem with your device or the vehicle itself. Keep a spare keyfob in your car to ensure you're ready in the event that your battery dies, or if another problem occurs.
You can also request a professional to perform other key fob repair procedures. They can inspect for damages to buttons and contacts, as well as other parts and also perform 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 small battery that powers the internal components. This includes the buttons that turn on the antenna and chip for releasing the radio frequency. The battery also powers plastic casings that protect these components. If the battery fails and your key fob stops working, it will not function. The solution is easy and inexpensive: simply replace the battery. Many manufacturers have directions in their owner's manual on how to replace the key fob battery. The procedure isn't easy however it's not hard to do and you'll likely save money by doing it yourself, rather than taking the fob to the auto shop or dealership.
There could be a second issue if your key fob still does not work after replacing the batteries. Check the key fob to check whether there are physical damages, such as cracks or dents. You can also look inside the case to check the circuit board for corrosion or other issues. If you're at ease, you can use a cotton ball that has been dipped in rubbing alcohol to clean contact points on the circuit board of the key fob. This will remove the corrosion without damaging the fob.
Key fobs must also be programmed to connect to the receiver in the vehicle. This is to ensure that only persons with keys for the same vehicle can unlock the car and keep other key fobs out of trying to access vehicles they were not designed for. If you have recently had your key fob repaired or replaced or it's been unused for a long time the transmitter and receive could have become disconnected.
You can test this by using a spare remote that you have. This will help you determine whether the issue is with the keyfob or with the vehicle's electrical systems. A mechanic in your car will be able to connect any wires that are disconnected and help you solve the problem. Alternately, you could try connecting the key fob to an alternative receiver in your vehicle and see if that solves the issue. If you are unable to connect your key fob to another receiver in your vehicle, you could need to bring it to a car dealership or auto repair shop to get more specific repairs.
Key Fob Transmitter Damaged
If your car key fob fails to function, it can be a major issue. Fortunately, most key fobs for cars can be fixed with a few simple steps. Examine the fob to determine whether it's got any physical damage and ensure that it's not dead. If a replacement battery doesn't solve the problem it could be a more serious issue.

Look At This are made up of many moving parts, so it's not unusual for them to experience some wear and tear over the course of time. A damaged transmitter for your key fob could hinder your vehicle from starting or opening the doors. A damaged transmitter could also affect radio signals sent from your key fob to the receiver in the car. Bring your key fob to a technician for repair and inspection when you suspect that the transmitter is damaged.
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 purchase fresh batteries regularly.
The majority of people can change the battery in the case of a key fob in their home. All you need is a flat-head screwdriver to pry open the case, and then replace the battery with a new one. The majority of key fobs utilize 3V button cells that are readily available at many auto parts stores.
A defective receiver could also be the reason for your key fob not responding. This is a frustrating problem, as it usually occurs while you are driving. If you find that your key fob isn't receiving any signal from the vehicle, try placing it in the door of the driver's lock.
A damaged receiver could cause your key fob to behave erratically. For instance it may close or shut off the vehicle when 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. Contact your dealer if don't own a spare keyfob. In some cases the new-car dealership might be able to provide an alternative for free if the current fob is in warranty.
Key fob receiver damaged
Key fobs are great convenience tools that let us lock or unlock our vehicles, they can be vulnerable to a myriad of issues. If your remote key fob in your car isn't functioning properly, you may need to call a locksmith or auto dealer. Fortunately, many common key fob issues are easily fixed without needing to shell out for a costly replacement. Here are the five most frequent reasons your key fob may not be responding
Key Fob Needs Re-Programming
In time the transmitter and receiver of a car key fob may become out of sync. In order to resolve this issue, you'll have to reconnect the key fob and its receiver by following the instructions for reprogramming your vehicle. You can find these instructions in the owner's manual or ask your local dealer for assistance.
If reprogramming your keyfob does not resolve the issue, there might be damage or a problem with your receiver or keyfob. Fortunately, this is usually simple to fix by opening the key fob for a better look at the interior. Find indications of damage, such as cracks in the circuit board, tiny electronic components that aren't fully attached to the circuit board or bent or oxidized battery contacts. Repair the key fob if you find any of the above.
Whether you need to replace or repair your key fob, the ideal solution will depend on the source of the problem and the amount you value convenience and cost. If your key fob is damaged or dropped, it could be more cost-effective to replace it by a professional. In any case, make sure to take care of your key fob so it can continue to provide you with years of smooth operation. You can extend its life by cleaning it regularly and avoiding extreme temperatures or electromagnetic fields. By selecting a professional who has experience with the model and make of your vehicle you can be certain that your key fob will always be working as intended.