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Fiat 500 Replacement Key Fob
It may be time to replace the battery if the 500 remote key fob isn't working. If you replace the battery and it doesn't work it could be a problem somewhere else.
At United Locksmith, we specialize in the creation of new keys for old cars. We have the tools and spare parts needed for this job.
Dead Coin Battery
The most common reason your Fiat 500 key fob will not lock or unlock the doors is a dead battery. The battery inside the key fob will drain quickly if you don't use it frequently enough. If your remote began to show signs of weakness such as a loss of range and then completely stopped working it is likely that the battery is dead.
Metal clips hold the battery securely within the key fob. If the clips are loose, they can cause contact issues, which could prevent your remote from receiving power. With a small flathead screwdriver, push the retaining clip open to take out the battery and replace it with a new one. Make sure to use a battery with the same voltage, size and specifications as the original.
Water exposure can cause the key fob to become corroded or damaged. Even a quick bath in soapy water may harm the electronic chip in. It is best to keep your key fob in a dry place.
Water Damage
If your key fob doesn't work correctly, it could be caused by water damage. Key fobs have rubber seals that protect them from being damaged by light rain or splashes of water. However, it is essential to keep your car keys from being tossed into the pool, ocean and the washing machine!
The key fob has an electronic chip in it that sends a signal to your car's immobilizer system. This is what allows your 500 to lock or start, but in the event that the chip becomes wet, it can no longer function.
If you're interested in checking if your key fob is functioning You can clean the internal electronics using isopropyl or an electronic cleaner. However, it's best to get a replacement from a dealer instead of trying to fix the key fob that has been submerged in salt water.
While a replacement fob might cost a little money, it's far less expensive than paying for your Fiat 500 to be towed to the dealership and repaired! You can also make it yourself by following a few simple steps. Just ensure you have the correct type of battery before you attempt to open your key fob. This is a job that's much simpler than it appears and there are step-by-step instructions online for almost any key fob for your car.
Faulty Chip
The chip in the key fob communicates to your car's immobiliser unit to make sure the vehicle is only capable of starting when the correct key is used. If the chip is damaged or corrupted the car won't start no matter what you do.
Water damage or a dead cell battery are the most common causes of defective chips. Regardless of the reason, it is recommended to delegate this task to a locksmith as they will be able to replace the chip fast and at a reasonable cost.
If your key fob will not work after being exposed to clean tap or rain water, remove the battery. Wipe down the electronic component with an old towel. If the key fob will not work, there's a chance that it has an issue with the component and requires to be replaced.

Some people will go to their dealer when in need of a new Fiat key fob, but this could be a costly option. If you are looking for a low-cost solution to have your Fiat key fob fixed make sure you contact United Locksmith. We have the tools and expertise to fix your Fiat fob in a professional and timely manner.
Faulty Receiver Module
Fiat key fobs transmit a signal to the vehicle that 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 could cause the fob to cease functioning. It could be due to a dead battery damaged by water buttons, worn ones, a receiver module issue and signal interference or an electronic chip malfunctioning.
If the fob is in the pocket that has been subject to severe trauma (such as being dropped on the floor or washed in a washing machine) the fob may not be in a position to communicate with the Body Control Module (BCM) of the vehicle. new key for fiat 500 is a security system which will only accept signals from genuine original keys.
You will need to replace the fob if this happens. A professional locksmith can take care of all aspects of the key replacement procedure as well as programming a new one for the 500. They can even provide an clone fob that performs the same as the original (and costs a fraction of the price).