Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work

A key fob that breaks down is an unpleasant situation. Fortunately, most fob issues aren't serious or complicated and can be solved at home or by an auto locksmith near you.

The first step is to check the fob's keypad for physical damage as well as an unresponsive battery. Then, you can reset the fob following the instructions in your owner’s manual.

Dead Key Fob Battery

A key fob allows you to open and start your vehicle without having to fiddle using your keys. A lot of models unlock doors, hatchbacks, and trunks by pressing the button. While the battery for your key fob has died may seem like a huge issue, it's actually just one of the easiest problems to resolve. You can take your vehicle to a repair shop or dealership for help. But did you know that you can fix your fob on your own?

You'll first need a brand new CR2032. You can purchase them in a multipack at many hardware stores. 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 make use of your tool to open the case. Be gentle as you don't want to damage the case of the fob or the circuit board that is inside.

When you've got the case open, place the battery you just purchased under the tabs that are highlighted by yellow arrows in the photo. Be sure to insert the battery past the two tabs that are indicated by the green arrows. Close your key fob after you have installed the new battery and test it. If it still doesn't work it could be time to call an expert for more thorough troubleshooting.

In rare cases replacing a battery on a keyfob may result in a malfunctioning device. In this instance there's probably a problem with the vehicle or the fob. Keep a spare keyfob on hand to be prepared in the event that your battery dies, or if another problem occurs.

In addition to battery replacement, you can also ask an expert to inspect and make any other key fob repairs. They can check for damaged buttons as well as contacts and other parts. They can also do the reprogramming or synchronization process in the event that your vehicle is having difficulties communicating with your keyfob.

Damaged Key Fob Battery

Most key fobs use small batteries to power their internal components, which include buttons that trigger the antenna and chip to release the radio frequency. The battery also powers plastic casings to protect the components. Your key fob won't work if the battery is dead. The solution is simple and inexpensive: simply replace the battery. There are many manufacturers that have instructions in their user's manuals on how to change the battery on the key fob. The process isn't easy however it's easy to complete and you'll likely save money by doing it yourself instead of bringing the fob into a dealership or auto shop.

There could be a second problem if your key fob doesn't function after replacing the batteries. Check the key fob to determine whether there are physical damage, like cracks or dents. You can also inspect the circuit board by opening the case. If you are confident doing this, you can make use of a cotton swab that has been 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.

Key fobs should also be programmed to connect to the receiver of the vehicle. This is done to ensure that only those who have keys to the same car are able to unlock the vehicle, and to make sure that key fobs not designed for the vehicle from trying to open it. If you've recently had your key fob repaired or replaced or if it's been unused for a long time the transmitter and receive could have become disconnected.

A good method to test this is by using a spare key fob you have. This will tell you if the issue is with the keyfob, or the electrical system of the vehicle. A mechanic can help resolve the issue by reconnecting any wires that have been disconnected. You could also try connecting the key fob with another receiver and see if this fixes the issue. If you're not able to do this, you may need to take your key fob to an auto dealer or repair shop for more extensive repairs.

Damaged Key Fob Transmitter

It's a huge inconvenience when your car key fob fails to work. Most key fobs for cars can be repairable by following a few easy steps. First, examine the fob for physical damage and ensure that it's not simply dead. If a new battery does not solve the issue there could be a more serious issue.

Car key fobs contain many moving parts, which is why it's normal for them to experience some wear and tear with time. A damaged transmitter for your key fob could stop your vehicle from starting or opening the doors. A damaged transmitter can also affect radio signals sent from your key fob to the receiver in the car. If you suspect your key fob's transmitter has been damaged, take it to a local mechanic for inspection and repair.

Batteries are usually the reason of a key fob that isn't working. Key fob batteries generally last between three and five years, so it's a good idea purchase fresh ones on a regular basis.

The majority of people can replace the battery on a key fob at home. You'll need a flat-head screwdriver in order to pry the case open. Once you have it opened, you'll be able replace the old battery. Most key fobs use 3V button cell batteries that are readily available at many 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 doesn't appear to be receiving any signals try putting it inside the driver's side door lock.

A damaged receiver could cause your key fob to act erratically, such as by turning off or locking the vehicle when 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 to request service. If your current key fob is under warranty, some new-car remote key repair shop near me dealers might be able to provide a replacement at no cost.

Damaged Key Fob Receiver

Key fobs may have many issues. They're useful devices that allow us to lock, unlock and start our cars. If the remote key fob for your vehicle isn't functioning properly it's likely that you need to contact a locksmith an auto dealer. A lot of common issues with keys can be fixed without the need for an expensive replacement. Here are the five most commonly-cited reasons why your key fob might not be responding

Key Fob Needs Re-Programming

Over time the receiver and transmitter of a key fob for your car key fob repair near me can become out-of-sync. To fix this problem, you'll need to re-sync your key fob and receiver following the reprogramming guidelines for your car key immobiliser repair. These instructions are available in your owner's guide or ask your local dealer for assistance.

If you are unable to solve the issue, there could be a different cause of damage or interference to the key fob or its receiver. It's usually simple to fix if you open your key fob and take a closer look inside. Check for indications of damage, like cracks in the board, tiny electronic components that aren’t connected to the board, or bent or damaged battery contacts. Repairing the key fob if you find any of the above.

The best solution for you will depend on your budget and convenience. If your key fob has been dropped or subjected to other physical damages it might be simpler and more affordable to have it replaced by a professional. In any event, make certain to take care of your key fob so that it will continue to give you years of smooth operation. By cleaning it regularly and avoiding exposing it to extreme temperatures or electromagnetic fields, you can ensure that it will last for as long as is possible. If you choose an expert who is familiar with the make and model of your vehicle, you can be sure that your key fob is working as intended.