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Why We Why We Fiat 500 Replacement Key Cost (And You Should, Too!)
Fiat 500 Replacement Key Fob

It could be time to change the battery if your 500 remote key fob isn't working. If you do replace the battery but it doesn't work then the issue is likely to be elsewhere.

At United Locksmith, we specialize in making new keys for classic cars. We have the tools and components required for this service.

Dead Coin Battery

A dead battery is the main reason for 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 utilize frequently enough. If fiat car key to show signs of loss in range or stopped working, then the battery may be dead.

Metal clips keep the battery securely on the key fob. If the clips aren't secure, it can cause contact issues which will prevent your remote from receiving power. Use a flathead screwdriver open the retaining clips and remove the battery. Use a battery that has the same size, voltage and specifications as the original.

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

Water Damage

Damage to your water supply could be the reason for your key fob not functioning properly. The rubber seals on key fobs keep them from getting damaged by a tiny splash or drizzle of water. However, it is crucial to keep the car keys away from the washing machine, ocean, and the pool.

The key fob is equipped with an electronic chip that transmits a signal to your car's immobilizer system. The chip allows the 500 to start and lock. If it gets wet it won't function.

Try cleaning the inside electronics of your keyfob with isopropyl alcohol or an electronic cleaner to see whether they're still in good condition. It is recommended to replace a key fob if it's submerged into salt water instead of trying to fix it yourself.

While a replacement fob might cost a bit of money, it is far less expensive than paying for your Fiat 500 to be towed to a dealership and fixed! You could also do it yourself by following only a few steps. Just ensure you have the right battery type before you attempt to open your key fob. There are step-by-step directions for every car keyfob online.

Faulty Chip

The chip inside the key fob communicates with the vehicle's immobiliser to ensure that the vehicle is able to start when the correct key is used. If the chip is damaged or destroyed it won't allow your car to start regardless of what you do.

Damage to the water or a dead battery are the most common reasons for the chip being damaged. It is recommended to leave the repair to a professional locksmith who can replace the chip quickly and at an affordable cost.

If your key fob fails to function after exposure to clean water from the tap or rain, take out the battery and clean the electronic component using a paper towel to ensure it is fully dry before putting it back into. If the key fob does not work, it is likely a fried chip and must be replaced.


A few people turn to their dealer when in need of an entirely new Fiat key fob, but it can be a expensive option. If you are seeking a cost-effective method to get your Fiat key fob fixed Look no further than United Locksmith. We have the tools and knowledge required to fix your Fiat fob quickly and professionally. way.

Faulty Receiver Module

Fiat key fobs transmit a signal up to 50 feet to the vehicle, which will open and close the doors (and start the vehicle in case of automatic transmissions). However there are a few factors that could cause the fob to cease working. This can be caused by a dead coin-battery or water damage, worn out buttons an issue with the receiver, signal interference or an issue with the chip.

If the fob was placed in a pocket which has suffered extreme trauma (such as being dropped onto the floor, or washed in the washer) it might not be able to connect with the Body Control Module (BCM) of the car. This is because the BCM is a secure system that can only accept a signal from a genuine key, and not from any other.

You'll need to replace the fob in case this happens. A locksmith professional can handle every aspect of the key replacement process as well as programming a new one for the 500. In fact, they'll offer you a clone key that functions exactly like your original fob (and costs only a fraction of the price).

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