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15 Surprising Facts About Fiat 500 Replacement Key Cost
Fiat 500 Replacement Key Fob

If your 500 remote key fob isn't working, it may be time to replace the battery. If you do replace the battery but it does not work then the issue is likely to be elsewhere.

At United Locksmith, we specialize in the creation of new keys for old automobiles. We have the tools and spare parts required for this type of service.

Dead Coin Battery

The most common reason why your Fiat 500 key fob will not unlock or lock the doors is due to a dead battery. The coin cell battery in the key fob will deplete quickly if you don't use it frequently enough. If your remote starts to show signs of a loss in range or stopped functioning and the battery is not working, it could be dead.

Metal clips keep the battery in place inside the key fob. If the clips are loose they can cause contact issues that will stop your remote from receiving power. Use a flathead screwdriver to open the retaining clips and remove the old battery. Be sure to choose an identical replacement battery type of voltage, dimensions, and specification as the original battery.

The key fob can also become corroded or damaged by water exposure. Even a quick bath in warm, soapy water could damage the chip. Make sure your key fob is dry.

Water Damage

Damage to your water supply could be the reason behind your key fob's inability to function properly. Key fobs are fitted with rubber seals that stop them from being damaged by rain or a splash of water, however it is vital to keep your car keys safe from the pool, ocean, and washing machine!

The key fob has an electronic chip inside it that sends a signal to your car's immobilizer system. The chip allows the 500 to be locked and started. If it gets wet, however, it will no longer function.

If you're interested in checking if your key fob is functioning You can clean the internal electronics with isopropyl or an electronic cleaner. It is best to replace the key fob when it has been submerged into salt water rather than try to repair it yourself.

While a replacement fob can cost a little money, it's a lot cheaper than paying for your Fiat 500 to be towed to the dealership and repaired! You can also fix it yourself by following a few simple steps. Make sure you have the correct type of battery before you attempt to open your key fob. This is a job that's more straightforward than it appears, and there are step-by-step instructions online for virtually any key fob in your car.

Faulty Chip


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

Damage to the water or a dead battery are the most common causes of a faulty chip. It is recommended to leave the job to a professional locksmith, who will be able to replace the chip in a short time and at a a reasonable price.

If fiat replacement key does not work after being exposed to clean tap or rain water take it off the battery. Wipe down the electronic component using an old towel. If the key fob will not function, there is an opportunity that it is an issue with the component and requires to be replaced.

A few people will visit their dealer if they require an entirely new Fiat fob. But, this can be a costly option. United Locksmith is the best option if you want your Fiat key fob replaced at a reasonable cost. We have the tools and experience necessary to repair your Fiat key fob in a quick and professional way.

Faulty Receiver Module

Fiat key fobs send an electrical signal to the vehicle which will unlock and lock doors (and start the car for those with an automatic transmission) up to 50 feet. However there are a few things that can cause the fob to stop working. This includes a dead battery, water damage, worn-out buttons, a receiver issue, signal interference or an issue with the chip.

If the fob was in a pocket which has suffered extreme trauma (such as being dropped on the floor or washed in the washer) the fob might not be in a position to connect with the Body Control Module (BCM) of the car. The BCM is a security system that will only accept signals from genuine keys.

If this is the case, then you will need to replace your fob. A professional locksmith will manage the entire replacement process including programming a new key to your 500. They can even provide the fob cloned to work the same as the original (and costs only a fraction of the cost).