20 Resources To Make You Better At 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 replace the battery and it still doesn't work it could be a problem elsewhere.

United Locksmith specializes in the creation of new keys for classic cars. We have the tools and components needed for this job.

Dead Coin Battery

A dead battery is the main reason for your Fiat 500 keyfob not locking or unlocking the doors. The key fob contains the battery of a coin-cell which will quickly drain when it isn't frequently used. If your remote began to show signs of weakness like a loss of range and then completely stopped working the battery could be dead.

Metal clips keep the battery securely within the key fob. If the clips are loose, it can cause contact issues which will prevent your remote from receiving power. Use a flathead screwdriver to remove the retaining clip and then remove the old battery. Make sure that the battery you choose to use has the same voltage, size and specifications as the original.

The key fob may also become corroded or damaged by exposure to water. Even a brief shower in soapy water can damage the electronic chip inside. Keep your key fob dry.

Water Damage

If your key fob isn't functioning properly, it may be due to water damage. Key fobs have rubber seals that prevent them from being damaged by a light rain or splashes of water, however it is crucial to keep your keys out of the ocean, pool, and the washing machine!

The key fob is equipped with an electronic chip that sends an alert to the immobilizer system of your vehicle. This is what allows your 500 to start or lock, however if the chip gets wet, it will no longer work.

If you're interested in checking whether your key fob still functioning You can clean the internal electronics using isopropyl or an electronic cleaner. However, it is probably best to get a replacement from a dealership instead of trying to repair the key fob which has been submerged by salt water.

A replacement fob can cost you some money however it's much cheaper than having to have your Fiat 500 towed to a dealership and repaired there! In addition, you can do it yourself in only a few steps. Be sure to use the correct battery type before you attempt to open your key fob. This task is more straightforward than it appears and there are step-by-step instructions online for nearly every car key fob.

Faulty Chip

The chip in the key fob communicates directly with the immobiliser in your car to ensure that your vehicle will only start when the right keys are in place. If the chip is damaged, or damaged in any way your car will not start.

A faulty chip can occur due to a variety of reasons but the most common cause is water damage or a dead battery. Regardless of the reason, it is a good idea to leave this task to a locksmith as they will be able to replace the chip for you swiftly and at a cost-effective price.


If your key fob does not function after being exposed to clean rain or tap water take the battery off. Clean the electronic component with a paper towel. If the key fob will not work, there's the possibility that it's malfunctioning components and need to be replaced.

G28 Car Keys will visit their dealer if they need a new Fiat fob. But, this can be expensive. If you're looking for a cost-effective way to have your Fiat key fob repaired Look no further than United Locksmith. We have all the tools and knowledge required to fix your Fiat fob in a timely and professional manner.

Faulty Receiver Module

Fiat key fobs send an electrical signal to the vehicle which will unlock and lock doors (and start the car if it has an automatic transmission) up to 50 feet. However, there are a few things that can cause the fob to cease functioning. This could be due to a dead battery water damage, worn out buttons an issue with the receiver, signal interference, or an issue with the chip.

If the fob was located in the pocket of someone who has suffered extreme trauma (such as being dropped onto a hard floor or being washed in the washing machine) the fob might not be able to connect with the Body Control Module (BCM) of the vehicle. This is because the BCM is a secure system that will only accept a signal from a genuine original key and not accept any other.

If this is the case, you have to replace your fob. A professional locksmith can handle the entire replacement process including programming a new key for your 500. In fact, they'll provide you with a duplicate key that functions exactly the same way as your original fob (and costs only a fraction of the price).

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