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Fiat 500 Replacement Key Fob

If your 500 remote key fob has stopped working, it might be time to replace the battery. If you do replace the battery and it continues to stop working then the issue could be elsewhere.

At United Locksmith, we specialize in the creation of new keys for classic automobiles. We have all of the tools and accessories needed for this service.

Dead Coin Battery

The most common reason your Fiat 500 key fob will not unlock or lock the doors is due to a dead battery. The key fob has an internal battery called a coin cell that will drain quickly when it isn't utilized frequently enough. If your remote started to show signs of weakness like a loss of range and stopped working completely it is likely that the battery is dead.

Metal clips keep the battery securely on the key fob. If the clips are not tight, they can create contact issues that prevent your remote to receive power. Utilizing a small screwdriver, pull the retaining clip open to remove the battery and then insert a fresh one. Make sure you use a replacement with the same kind of voltage, size and specifications as the original battery.

Water exposure can also cause the key fob to corrode, or even become damaged. Even a quick bath in soapy, warm water could cause damage to the chip. Keep your key fob dry.

fiat key replacement to your water supply could be the reason for your key fob not working properly. The rubber seals on key fobs protect them from being damaged by a slight splash or drizzle of water. However, it's important to keep the car keys away from the washing machine, the ocean and pool.





The key fob comes with an electronic chip inside it that sends a signal car's immobilizer system. The chip is what allows the 500 to lock and start. If it gets wet, it will no longer work.

If you're interested in checking whether your key fob still working, you can clean the internal electronics using isopropyl or electronic cleaner. It is best to replace the key fob when it's submerged into salt water, rather than trying to fix it yourself.

Although a replacement fob may cost you a little bit of money, it's much less expensive than paying for your Fiat 500 to be towed to the dealer for repair! In addition, you can make it yourself in just 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 directions for every car keyfob online.

Faulty Chip

The chip that is contained in the key fob communicates with your car's immobiliser unit to ensure the vehicle is capable of starting when the correct key is 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 a variety of reasons but most often it is due to water damage or an unresponsive battery. Whatever the reason, it is an ideal idea to hand the job to a locksmith who can replace the chip quickly and at a low cost.

If your key fob fails to function after exposure to clean tap water or rain, unplug 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 still fails to work it's most likely an issue with the chip and must be replaced.

A few people turn to their dealer when they are in need of an entirely new Fiat key fob, but it can be a expensive option. United Locksmith is the best option for you if want your Fiat key fob repaired at a reasonable cost. We have the tools and knowledge required to repair your Fiat key fob in a timely and professional way.

Faulty Receiver Module

Fiat key fobs transmit an alert up 50 feet to the vehicle, which allows it to unlock and lock the doors (and start the vehicle for those with automatic transmissions). However there are several things that can cause the fob to cease functioning. This could be due to a dead battery water damage, worn-out buttons, a receiver issue, signal interference or an issue with the chip.

If the fob was placed in a pocket that suffered a severe trauma, such as being dropped on a hard floor or being washed in a washer or dishwasher, it might not be capable of communicating with the car's Body Control Module (BCM). This is because the BCM is an extremely secure system that will only accept signals from a genuine original key and not another.

If this is the case, then you will require replacing your fob. A professional locksmith can handle all aspects of the replacement process and even program a new one for your 500. They can even offer a clone fob that works just like the original (and costs a fraction of the price).