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Fiat 500 Replacement Key Fob

If your remote key fob isn't working, it might be time to replace the battery. If you replace the battery, but it doesn't work it could be a problem somewhere else.

United Locksmith specializes in the creation of new keys for classic automobiles. We have all the tools and parts necessary to provide this service.

Dead Coin Battery

A dead battery is the main cause of your Fiat 500 keyfob not locking or unlocking the doors. The key fob comes with a coin cell battery that can quickly deplete in the event that it is not frequented enough. If your remote started to show signs of weakening such as a loss of range or stopped working completely the battery could be dead.

The battery inside the key fob is held in place by steel clips that hold it in place. If the clips aren't secure, it can cause contact issues, which could prevent the remote from receiving power. Use a flathead screwdriver to pry open the retaining clip and remove the battery. Make sure to use a battery with the same voltage, size and specification as the original.

The key fob might also be damaged or corroded through exposure to water. Even a short bath in warm, soapy water could cause damage to the chip. It's best to keep your key fob in a dry area.

Water Damage

If your key fob doesn't work properly, it may be due to water damage. Key fobs come with rubber seals that stop them from being damaged by a light rain or splashes of water, however it is vital to keep your keys away from the pool, ocean and the washing machine!

The key fob comes with an electronic chip that sends an electronic message to the immobilizer system of your car. The chip allows the 500 to be locked and started. If it gets wet it will not work.

If G28CarKeys interested in checking if your key fob is still working it is possible to clean the internal electronics with isopropyl or an electronic cleaner. It is recommended to replace the key fob when it's submerged into salt water rather than try to repair it yourself.

While a replacement fob can cost a little money, it's much cheaper than having to pay for your Fiat 500 to be towed to the dealer and repaired! In addition, you can do it yourself with a few easy steps. Just ensure you have the right battery type before you attempt to open your key fob. You can find step-bystep instructions for any car keyfob on the internet.

Faulty Chip

The chip located within the key fob communicates with the car's immobiliser unit to ensure your car is only able to start when the correct key is used. If the chip is damaged, or corrupted it won't allow your car to start no matter what you do.

Water damage or a dead battery are the most common causes of the chip being damaged. It is best to leave the repair to a professional locksmith, who can repair the chip in a short time and at a a reasonable price.

If your key fob will not work after being exposed to clean water from a tap or rain then remove the battery. Clean the electronic component using an old towel. If the key fob does not work, there is a chance that it has a fried component and needs to be replaced.

Some people will visit their dealer in order to get a new Fiat fob. However, this could be an expensive option. United Locksmith is the best choice if you want your Fiat keyfob fixed at a reasonable price. We have the tools and expertise necessary to fix your Fiat key fob in a quick and professional manner.

Faulty Receiver Module

Fiat key fobs transmit a signal up 50 feet away to the vehicle, which allows it to unlock and lock the doors (and start the vehicle for vehicles with automatic transmissions). However, there are several things that can cause the fob to cease working. This can be caused by a dead coin-battery water damage, worn-out buttons an issue with the receiver, signal interference, or a malfunctioning chip.





If the fob is in the pocket of someone who has suffered extreme trauma (such as being dropped on a hard floor or being washed in the washing machine), it may not be able to connect with the Body Control Module (BCM) of the car. The BCM is a security system which will only accept signals from genuine original keys.

You'll have to replace the fob if this occurs. A professional locksmith can take care of all aspects of the key replacement process, including programming a new one for the 500. In fact, they can even provide you with a replica key that functions exactly the same way as the original fob (and costs less than the price).