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

A key fob that breaks down is a frustrating situation. Luckily, most fob problems aren't major or difficult and can be fixed at your home or by an auto locksmith near you.

The first step is to examine the fob of your key to determine if it has any physical damage or a dead battery. Then, try resetting the fob using instructions in the owner's manual.

Dead Key Fob Battery

With a key fob you can start and unlock your vehicle without fumbling around with your keys. Many models can even unlock hatchbacks, doors and trunks with the touch of one button. A broken key fob is not as difficult to fix as it might seem. The majority of car owners know they can visit a dealer or repair shop to get help but did you know that you can also try to fix your own key fob at home?

The first thing you'll need is a fresh, new CR2032 battery. You can buy them in a multipack at most hardware stores. Make use of a flathead screwdriver or a watch to open the case open. There's typically an opening or notch to start, and once you've created the first gap, you'll be able to push your tool in the same way as you peeling an orange or apple to open the case more. Be gentle as you don't want to break the fob's case or the circuit board within.

Once you've got your case open, put the new battery under the tabs that are highlighted by yellow arrows in this photo. Make sure that it is over the two tabs pointed to by green arrows. Once the new battery is installed, close your key fob, and then test it. If the key fob does not work, you may need to contact an expert for more thorough troubleshooting.

In rare instances replacement of a battery in the keyfob could result in a non-functional device. In this instance, there's probably something wrong with the vehicle or the fob. Keep a spare keyfob on hand to ensure you're ready in case the battery dies, or if another problem occurs.

In addition to battery replacement, you can ask an expert to inspect and make any other key fob repairs. They can check for damage to buttons, contacts and other parts, as well as do reprogramming and synchronization if your vehicle is having a difficult communication with your key fob.

Key Fob Battery Damage

The majority of key fobs are powered by a small battery that powers their internal components. This includes the buttons that activate the antenna and chip to release a radio frequency. The battery also powers plastic casings to protect these components. If the battery fails the key fob won't work. Fortunately, the solution is easy and cheap to replace it. In the owner's manual of their product most manufacturers will provide you with instructions on how to replace key fob batteries. It's not difficult to do and you'll save money by doing it yourself instead of taking the fob to a dealer or auto shop.

If your key fob is still not working after replacing the battery, you may have a different problem. Examine the key fob to check whether there are any physical damages, such as 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 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 remove the corrosion, but not damage to the fob.

Key fobs should also be programmed to connect to the vehicle's receiver. This is done to ensure that only persons with keys for the same vehicle can unlock the car keys repair near me and to keep other key fobs out of trying to gain access to vehicles they were not designed for. 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.

You can test this using a spare remote control that you own. This will tell you whether the issue is with the key fob or the electrical system of your vehicle. A car mechanic will be able to reconnect any wires that are disconnected and help you resolve the problem. Alternately, you could try to connect the key fob to an alternative receiver in your car and see if this resolves the problem. If you are unable connect your key fob to a different receiver in your vehicle, you could need to bring it to a car dealership or auto repair shop for more specific repairs.

Damaged Key Fob Transmitter

It can be a big problem when your car's key fob fails to work. Most car key fobs are repairable by following a few easy guidelines. Check the fob to see if it has any physical damage, and ensure that it is not just dead. A new battery may be all that's needed however, if it fails to solve the issue, it may be a bigger problem with the fob transmitter.

Car key fobs are made up of many moving parts, which is why it's not unusual for them to experience some wear and tear with time. A damaged fob transmitter can stop your mobile car key repair near me from starting or unlocking the doors. A damaged transmitter may also interfere with radio signals sent from your key fob to the receiver inside the car. Bring your key fob to a professional to be repaired and inspected if you suspect that the transmitter is damaged.

One of the most frequent reasons that a key fob ceases working is that its batteries are dying. Key fob batteries last between three and five years. It is best to replace them regularly.

The majority of people can change the battery in the case of a key fob in their home. You'll need a flat-head screwdriver in order to pry the case open, and after that you'll be able replace the old battery. The majority of key fobs are powered by 3V button cells that are sold in most auto parts stores.

Another reason your key fob might stop responding is due to an unreliable receiver. This is a frustrating problem that usually happens while you are driving. If your key fob doesn't appear to be receiving any signals try putting it in the driver's side of the door lock.

A damaged receiver may also cause your key fob to behave uncontrollably. For instance it may lock or turn off the vehicle if you press one of its buttons. If you have a spare key fob, test it to see if it can respond to the vehicle's commands. If you don't have an extra key fob, you can call your dealer to request service. If your current key fob is in warranty, a few dealerships selling new cars may be able to provide a free replacement.

Damaged key fob receiver

Key fobs can be prone to several issues. They're useful devices that let us lock or unlock, as well as start our vehicles. If your car's remote key repairs key fob isn't working as it should, it may be the right time to contact a locksmith or an auto dealer for help. Fortunately, a lot of common problems with key fobs can be easily resolved without having to spend money on a costly replacement. Here are five of the most frequent reasons why your key fob may not be working:

Key Fob Needs Re-Programming

Over time, a car's key fob transmitter and receiver may become out of sync with one other. In order to resolve this issue, you'll have to reconnect the key fob to its receiver following the instructions for reprogramming your car. These instructions can be found in your owner's manual or you can consult your local dealer to help you.

If reprogramming your keyfob does not solve the issue, there may be a problem or an interference with your keyfob or receiver. This is usually easy to fix if you open your key fob and take a close look inside. Check 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. Repair the key fob if you spot any of the above.

If you have to replace or repair your key fob, the ideal solution depends on the cause of the issue and the amount you value convenience and price. If your key fob is damaged or has been dropped, it may be more affordable to replace it by a professional. In any case, take good care of your key fob so that it can function smoothly for a long time. You can prolong its lifespan by cleaning it regularly and staying clear of extreme temperatures or electromagnetic fields. If you choose an expert who is familiar with the model and make of your vehicle, you can be sure that your key fob is functioning as it should be.