Key Fob Repair Service - 5 Common Reasons Your Key Fob Won't Work
Having your key fob break down can be an inconvenient situation. Luckily, most fob problems aren't too serious or complex and can be fixed at home or by an auto locksmith near you.
First, examine the fob that you use to check if it has any physical damage or a dead battery. Then, you can reset the fob according to the instructions contained in your owner's manual.
Dead Key Fob Batteries
A key fob allows you to unlock and even start your vehicle without having to fiddle with your physical keys. Many models can even unlock doors, hatchbacks and trunks at the touch of the button. While a dead key fob battery could be a huge issue, it's actually just one of the easiest problems to resolve. Many car owners know that they can visit a dealership or repair shop to get help but did you know that you could also attempt to fix your own fob yourself at home?
You'll first require a brand-new CR2032. You can buy them in a multipack at most hardware stores. Make use of a flathead screwdriver or watch to push the case open. After you've widened the first gap then you can employ your pry tool to open the case. It's best to be gentle as you don't want to break the case of the fob, or the circuit board within.
Place the new battery in the tabs that are marked with yellow arrows on this image. Make sure to insert the battery past the tabs smaller than those highlighted by the green Arrows. Close your key fob after installing the new battery, and then test it. If the key fob isn't working, you might need to contact an expert for more thorough troubleshooting.
In rare cases replacing the battery on the key fob could result in a non-functional device. If this happens, it's likely that there's a problem with your device or the vehicle itself. It's a good idea to keep a spare key fob on the shelf so that you are ready if the original battery is dead or a problem occurs.
In addition to battery replacement, you can ask an expert to inspect and make other key fob repairs. They can look for damage to buttons, contacts and other parts and perform reprogramming and synchronization if the vehicle is having a hard communication with your key fob.
Key Fob Battery Damage
The majority of key fobs are powered by a tiny battery, which powers their internal components. This includes the buttons that turn on the antenna and chip for releasing a radio frequency. The battery also powers plastic casings that protect the components. If the battery dies the key fob will not function. The solution is simple and inexpensive to replace it. In the owner's manual of their product the majority of manufacturers offer instructions on how to replace key fob's batteries. It can be a little tricky, but it is not hard to do and you'll probably save money by doing it yourself instead of bringing the fob into an auto shop or dealership.
You could have a different problem if your key fob does not work after replacing the batteries. Examine the key fob for signs of physical damage, like cracks or scratches. broken car key repair can also look inside the case to check the circuit board for corrosion or other issues. If you're comfortable doing this, then you can make use of a cotton swab that has been coated with rubbing alcohol to clean the contact points on the key fob's circuit board. This will eliminate the corrosion, but not damage to the fob.
The key fobs also need to be programmed to connect to the vehicle receiver. This is done so that only those with the keys to the same vehicle can unlock the vehicle, and to stop key fobs that are not meant for that vehicle from trying to open it. If you have recently had your keyfob repaired or replaced, or if it's been unoccupied for a long time, the transmitter and receive may have been disconnected.
A good method to test this is by using a spare key fob you have. This will help you determine whether the issue is related to the keyfob, or the vehicle's electrical systems. A mechanic can help you resolve the issue by reconnecting any wires that are disconnected. Alternatively, you can try to connect the key fob to another receiver in your vehicle and see if that resolves the problem. If you are unable connect your key fob to another receiver in your vehicle, you could need to take it to a car dealership or auto repair shop to get more precise repairs.

Key Fob Transmitter Damaged
If your car's key fob isn't working, it could be a major hassle. The majority of car key fobs can be repairable by following a few simple instructions. First, look over the fob for physical damage, and make sure it's simply dead. A new battery may be all you need but if it's not enough to fix the issue, there could be a more serious problem with the fob transmitter.
Car key fobs contain lots of moving parts, which is why it's normal for them to undergo wear and tear with time. A damaged transmitter can prevent you from starting your car or unlocking the doors. A damaged transmitter may also affect radio signals transmitted from your key fob to the receiver inside your car. Bring your key fob to a technician to be repaired and inspected when you suspect that the transmitter is damaged.
Batteries are often the cause of a key fob not working. Key fob batteries last between three and 5 years. It is best to replace them regularly.
The majority of people can replace the battery on the key fob at home. You will need an flat-head screwdriver to open the case open. Once you have it opened, you'll be able to replace the old battery. The majority of key fobs are powered by 3V button cells which are available at most auto parts shops.
Another reason why your key fob might stop responding is due to an ineffective receiver. This is a frustrating issue and usually occurs when you're driving. If you find that your key fob isn't receiving a signal from the vehicle, try putting it in the driver's door lock.
A damaged receiver may also cause your keyfob's to behave uncontrollably. For instance it might close or shut off the vehicle when you push one of its buttons. Try using an alternate keyfob to determine whether the vehicle responds. Contact your dealer if don't own a spare keyfob. In certain cases an auto dealership may be able to provide the replacement at no cost if the current fob is in warranty.
Damaged key fob receiver
Key fobs may have several issues. They are useful tools that allow us to lock or unlock, as well as start our cars. If your remote key fob for your car isn't working correctly it's likely that you need to contact a locksmith or auto dealer. Fortunately, most common key fob issues are easily fixed without needing to pay for an expensive replacement. Here are five of the most frequent reasons your key fob may not be functioning:
Key Fob Needs Re-Programming
In time the receiver and transmitter of a car key fob may become out of sync. To fix this problem, you'll need to re-sync your key fob and receiver by following the reprogramming guidelines for your vehicle. These instructions can be found in your owner's manual or you can consult the dealer near you to assist you.
If reprogramming the keyfob does not resolve the issue, there could be damage or a problem with your keyfob or receiver. It's usually simple to fix if you open your key fob and take an in-depth look inside. Find evidence of damage, like cracks in the board tiny electronic components that aren’t connected to the board or damaged or bent battery contacts. Repairing the key fob if you find any of the above.
The best option for you will depend on your budget and convenience. If your key fob is damaged or has been dropped, it may be more cost-effective to replace it professionally. In any event, take good care of your keyfob to ensure it continues to function smoothly for a long time. By regularly cleaning it and avoiding exposing it to extreme temperatures or electromagnetic fields, you can ensure it will last for the longest time possible. Additionally, by selecting a professional with plenty of experience with your specific vehicle's make and model, you can rest assured that your key fob will always work exactly as intended.