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Fiat 500 Replacement Key Fob

It might be time to replace the battery if the 500 remote key fob isn't working. However, if you replace the battery but it doesn't work the issue could be elsewhere.

At United Locksmith, we specialize in making new keys for old automobiles. We have all of the tools and accessories needed 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 battery of the coin cell inside the key fob is likely to drain quickly when you don't use it often enough. If your remote began to show signs of weakening like a loss of range and then completely stopped working, the battery is probably dead.

The battery in the key fob is secured by metal retaining clips. If the clips are loose it can cause contact issues which will prevent your remote from receiving power. Use a flathead screwdriver open the retaining clips and remove the old battery. Be sure to use an identical replacement battery kind of voltage, the same size and specifications as the original battery.

Exposure to water can cause the key fob to become corroded or damaged. Even a quick shower in soapy water can cause damage to the electronic chip inside. Make sure your key fob is dry.

Water Damage

Water damage could be the reason behind your key fob not working properly. The rubber seals on key fobs protect them from getting damaged by a light drizzle or splash of water. However, it is important to keep the keys from the washing machine, the ocean, and pool.

The key fob contains an electronic chip inside that sends a signal car's immobilizer system. This is what allows your 500 to start or lock, however when the chip becomes wet, it's unable to longer function.

If you're trying to determine whether your key fob functional you can clean the internal electronics using isopropyl or an electronic cleaner. It is best to replace a key fob in the event that it has been submerged into salt water instead of trying to fix it yourself.

A replacement fob might cost you some money, but it's a lot less expensive than paying to have your Fiat 500 towed to a dealership and repaired there! You can also do it yourself in the simplest of steps. Make sure you have the correct type of battery before you attempt to open your keyfob. You can find step-bystep instructions for every car keyfob online.

Faulty Chip





The chip in the key fob communicates with your car's immobiliser unit to ensure the vehicle is able to start when the correct key is used. If the chip is damaged or corrupted in any way it will not start.

A chip that is damaged can happen due to many reasons, but most often it is due to water damage or a dead battery. Regardless of the reason, it is an ideal idea to hand this work to a locksmith as they will be able to repair the chip for you quickly and at a reasonable cost.

If G28 Car Keys working after exposure to clean water from the tap or rain, take out the battery and clean the electronic component with a tissue to ensure it's completely dry before putting it back in. If the key fob does not work it's most likely to be a damaged chip and will require replacement.

Some people will turn to their dealer when in need of an entirely new Fiat key fob, but this could be a expensive alternative. United Locksmith is the best place to go if you need your Fiat keyfob repaired at a reasonable price. We have the tools and experience necessary to repair your Fiat key fob in a timely and professional way.

Faulty Receiver Module

Fiat key fobs send a signal up 50 feet away to the vehicle, which can unlock and lock the doors (and start the vehicle if it has automatic transmissions). There are many reasons why the fob could not function. This could be due to a dead coin battery, water damage or worn buttons, a receiver module issue and signal interference, or an electronic chip that is malfunctioning.

If the fob was located in an area that has experienced extreme trauma (such as being dropped on the floor or washed in the washer), it may not be able to connect with the Body Control Module (BCM) of the vehicle. This is because the BCM is a secure system that will only accept a signal from a genuine key, and not from any other.

You will need to replace the fob in case this happens. A professional locksmith can handle all aspects of the key replacement process and even program a new one for the 500. They can even provide a clone fob that works exactly like the original (and costs only a fraction of the price).