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9 Signs You're A Fiat 500 Replacement Key Cost Expert
Fiat 500 Replacement Key Fob

If your remote key fob has stopped working, it's time to replace the battery. However, if you replace the battery and it is still not working it is probably elsewhere.

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

Dead Coin Battery

A dead battery is the most common reason for your Fiat 500 keyfob not locking or unlocking the doors. The key fob is equipped with a coin cell battery that is prone to draining quickly in the event that it is not frequented enough. If your remote began to show signs of weakening such as a loss in range and then completely stopped working it is likely that the battery is dead.

The battery inside the key fob is held in place by steel clips that hold it in place. If the clips aren't tight enough, it can cause contact issues, which could prevent your remote from receiving power. Using a small flathead screwdriver, pull the retaining clip to take out the battery and insert a new one. Make sure that the battery you choose to use has the same size, voltage and specification as the original.

The key fob can also become corroded or damaged through exposure to water. Even a brief bath in soapy water can damage the electronic chip inside. It's best to keep your key fob in a dry location.

Water Damage

Damage to your water supply could be the reason behind your key fob not functioning properly. Key fobs have rubber seals that stop them from being damaged by rain or a splash of water, however it is essential to keep your car keys away from the pool, ocean and washing machine!

The key fob contains an electronic chip in it that transmits a signal car's immobilizer system. The chip is what allows the 500 to lock and start. If it gets wet it will not function.

If you're looking to determine whether your key fob still functioning You can clean the internal electronics using isopropyl or electronic cleaner. However, it is probably better to purchase a new one from a dealer instead of trying to repair the key fob that is submerged in salt water.

While a replacement fob can cost you a bit of money, it is much less expensive than paying for your Fiat 500 to be towed to the dealer and repaired! You can also do it yourself with a few simple 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 the immobiliser in your vehicle to ensure that the vehicle will only start when correct keys are inserted. If the chip is damaged or corrupted it won't allow your car to start, no matter what you do.

A chip that is defective can happen due to several reasons, but most commonly due to water damage or an unresponsive battery. Whatever the reason, it's recommended to delegate this work to a locksmith who will be able to repair the chip quickly and at a low cost.

If fiat ducato key replacement does not function after exposure to clean water from a tap or rain then remove the battery. Clean the electronic component with a paper towel. If the key fob still does not work it's most likely to be a damaged chip and must be replaced.


Some people will go to their dealer when they are in need of a new Fiat key fob, but this could be a costly alternative. If you're looking for a cost-effective way to have your Fiat key fob repaired Look no further than United Locksmith. We have the equipment and know-how needed to repair your Fiat key fob in a timely and professional way.

Faulty Receiver Module

Fiat key fobs transmit an electrical signal to the vehicle that can unlock and close doors (and start the car for those with an automatic transmission) up to 50 feet. However, there are a few factors that could cause the fob to stop working. This could be due to a dead coin battery or water damage buttons, worn ones, a receiver module issue or signal interference, or an electronic chip malfunctioning.

If the fob was placed in a pocket which has suffered extreme trauma (such as being dropped onto the floor, or washed in a washing machine) the fob might not be able to communicate with the Body Control Module (BCM) of the car. The BCM is a security device that will only accept signals from genuine original keys.

It is necessary to replace the fob if this occurs. A professional locksmith can handle the entire replacement process including programming a brand new key for your 500. They can even provide you with an identical fob that functions the same as the original (and costs only less than the cost).

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