Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
It can be a frustrating experience when your key fob fails. Most fob problems can be fixed at home by an auto locksmith, or aren't serious.
The first step is to examine the fob that you use to check whether it is suffering from physical damage or a dead battery. Then, you can reset the fob by following the instructions contained in your owner's manual.
Dead Key Fob Batteries
With a key fob you can start and unlock your vehicle without fumbling around with your keys. Many models unlock doors, trunks, and hatchbacks by pressing a button. A lost key fob is not as difficult to fix as it might seem. Many car owners know that they can visit a dealer or repair shop for help but did you know that you can also try to fix your own fob at home?
The first thing you'll need is a fresh, new CR2032 battery. Most hardware stores sell batteries in multipacks. Then, use the flathead screwdriver or watch to pry the case of the fob. There's typically a slot or notch to begin, and once you've created the first gap, you'll be able to use your tool as you would peel an orange or apple to open the case more. It is recommended to be gentle, as you don't want to damage the case of the fob or the circuit board inside.
Once you've got the case open, place the new battery underneath the tabs highlighted by yellow arrows in this photo. Be sure to insert the battery past the two tabs that are indicated by green arrows. Close your key fob after installing the new battery and then test it. If it still doesn't work it could be the right time to contact an expert for more detailed troubleshooting.
In rare instances replacement of the battery in a key fob can still result in a malfunctioning device. In this case, there's probably something wrong with the device or vehicle. Keep a spare keyfob in your car to be prepared in the event that your battery dies, or if another problem arises.
You may also ask a professional to perform other key fob repair procedures. They can look for damaged buttons, contacts, and other components. They can also do the reprogramming or synchronization process when your vehicle is experiencing issues communicating with your keyfob.
Key Fob Battery Damage
The majority of key fobs are powered by a tiny 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 plastic casings to protect these components. Your key fob will not function if the battery is dead. The solution is simple and cost-effective: replace the battery. Many manufacturers have directions in their user's manuals on how to change the battery on the key fob. The procedure may be a bit difficult however it's not difficult to accomplish and you'll likely save money by doing it yourself, rather than bringing the fob into the auto shop or dealership.
There could be a second issue if your key fob does not work after replacing the batteries. Check the key fob for signs of physical damage, such as cracks or scratches. You can also open the case to inspect the circuit board for signs of corrosion or other issues. If you're at ease, make use of a cotton ball that has been coated with alcohol to clean the contact points on the circuit board of the key fob. This will remove the corrosion without damaging your fob.
Key fobs must also be programmed to connect to the receiver in the vehicle. This is done to ensure that only persons who have keys for the same vehicle are able to unlock the car, and to keep other key fobs out of attempting to access vehicles that they were not designed for. If you've recently had your key fob repaired or replaced or if it has been in use for a while the transmitter and receive may have been disconnected.
An effective way to test this is by using a spare key fob that you have. This will let you know whether the issue is with the key fob or with the electrical system of your vehicle. A car mechanic will be able to reconnect any wires that are disconnected and assist you in resolving the issue. Alternatively, you can try connecting the key fob to an alternative receiver in your car and see if that solves the issue. If you are unable to connect your key fob to an alternative receiver in your vehicle, you may have to bring it to a car dealership or auto repair shop for more specific repairs.
Key Fob Transmitter Damaged
If your car's key fob stops working, it can be a major hassle. Most car key fobs are repairable by following a few simple instructions. Check the fob to see if it has any physical damage and make sure that it is not just dead. If a new battery doesn't solve the issue, it could be a more serious issue.
Car key fobs have a lot of moving parts, and it's normal for them to experience some wear and tear over time. A damaged fob transmitter can prevent your vehicle from starting or opening the doors. A damaged transmitter can also affect radio signals that are sent from your key fob to the receiver inside your car. Bring your key fob to a mechanic to be repaired and inspected if you believe that the transmitter is damaged.
One of the most common reasons a key fob stops functioning is because the batteries are dying. Key fob batteries usually last between three and five years, which is why it's recommended to buy new ones on a regular basis.
The replacement of a key fob's battery is a fairly simple procedure that can be done by most people at home. You'll require an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the battery. Most key fobs are powered by 3V button cells, which can be found in most auto parts stores.
Another reason that your key fob won't respond is because of an unreliable receiver. This can be a frustrating issue, because it usually happens when you're driving. If your key fob isn't appearing to be receiving a signal try putting it in the driver's side of the door lock.
A damaged receiver could cause your key fob to act erratically, such as by switching off or locking the vehicle whenever you press one of its buttons. Try using a spare keyfob to see whether the vehicle responds. Contact your dealer if don't own a spare keyfob. If your current key fob is in warranty, a few new-car dealers might be able to offer a replacement for free.
Key fob receiver damaged
While key fobs are great devices that allow us to lock and unlock our vehicles, they are vulnerable to a myriad of problems. If your remote fob in your car isn't working as it should, it may be time to call a locksmith or an auto dealer for assistance. Fortunately, most common problems with key fobs can be easily solved without having to pay for an expensive 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 key fob for your car may become out of sync. To fix this problem, you will have to reconnect the key fob with its receiver following the instructions for reprogramming your car. These instructions are available in your owner's guide or ask your local dealer for assistance.
If reprogramming understanding does not resolve the issue, there may be damage or interference with your receiver or keyfob. It's usually simple to fix if you open your key fob and take an in-depth look inside. Look for indications of damage, for example cracks in the board tiny electronic components that aren’t attached to the board, or bent or damaged battery contacts. Repairing the key fob if you spot any of the above.
If you're looking to repair or replace your key fob, the best solution will depend on the source of the problem and how much you value convenience and price. However, if your key fob was dropped or subjected to various physical harms it might be simpler and less expensive to have it replaced by a professional. In any case, make sure to take care of your key fob to ensure it can continue to give you years of trouble-free operation. By regularly cleaning it and avoiding exposing it to extreme temperatures or electromagnetic fields you can ensure that it will last as long as possible. By choosing an expert who is familiar with the make and model of your vehicle, you can be sure that your key fob is always functioning as it should be.