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Fiat 500 Replacement Key Fob

If your remote key fob has stopped working, it may be time to replace the battery. If you do replace the battery and it continues to stop working it is probably elsewhere.

United Locksmith specializes in the creation of new keys for classic vehicles. We have all the tools and accessories needed to perform this service.

Dead Coin Battery

A dead battery is the primary cause of your Fiat 500 keyfob not locking or unlocking the doors. The key fob is equipped with an in-built battery which will quickly drain when it isn't being frequently used. If your remote began to show signs of weakness like a loss of range and stopped working completely The battery is probably dead.

The battery in the key fob is secured by metal retaining clips. If the clips aren't tight enough, it could lead to problems with contact, which can prevent your remote from receiving power. Make use of a flathead screwdriver to remove the retaining clip and remove the battery. Be G28 to use a replacement battery with the same kind of voltage, size and specifications as the original battery.

The exposure to water can cause the key fob to corrode or become damaged. Even a quick bath in warm, soapy water could damage the chip. It's best to keep your key fob in a dry place.

Water Damage

If your key fob isn't functioning correctly, it could be due to water damage. Key fobs have rubber seals to protect them from being damaged by rain or splashes of water, however it is essential to keep your keys away from the pool, ocean, and washing machine!





The key fob contains an electronic chip which sends an alert to the immobilizer system of your vehicle. This is what allows your 500 to lock or start, but should the chip become wet, it will no longer function.

You can try cleaning the inside electronics of your keyfob with isopropyl alcohol or an electronic cleaner to see if they are still good. It is best to replace the key fob if it has been submerged into salt water rather than try to repair it yourself.

While a replacement fob could cost you a bit of money, it is far less expensive than paying for your Fiat 500 to be towed to the dealer and repaired! In addition, you can make it yourself in just several easy steps. Just make sure you have the right battery type before you attempt to open your key fob. This is a job that's far simpler than it appears and you can find step-by-step directions online for nearly every key fob in your car.

Faulty Chip

The chip in the key fob communicates with the immobiliser on your car to ensure that your vehicle will start only when the correct keys are used. If the chip is damaged or destroyed the car will not start no matter what you do.

Water damage or a dead phone battery are the most common reasons for the chip being damaged. Whatever the reason, it's an ideal idea to hand the job to a locksmith who will be able to replace the chip for you quickly and at a low cost.

If your key fob stops working after exposure to clean tap water or rain, take off the battery and wipe down the electronic component with a tissue to ensure it's completely dry before putting it back into. If the key fob does not work, there's a chance that it has a fried component and needs to be replaced.

A few people will visit their dealer in order to get an entirely new Fiat fob. However, this could be costly. United Locksmith is the best option for you if would like to have your Fiat key fob repaired at a reasonable cost. We have the equipment and know-how to repair your Fiat fob in a timely and professional way.

Faulty Receiver Module

Fiat key fobs transmit an electrical signal to the vehicle, which will unlock and lock doors (and start the car for vehicles with an automatic transmission) up to 50 feet. However there are several things that could cause the fob to stop working. This could be due to a dead coin battery or water damage, worn buttons as well as a receiver module problem and signal interference or an electronic chip that has failed.

If the fob was in a pocket which has suffered severe trauma (such as being dropped onto a hard floor or being washed in the washer) it might not be able to communicate with the Body Control Module (BCM) of the vehicle. The BCM is a security system that will only accept signals from genuine keys.

If this is the case, then you will need to replace your fob. A professional locksmith will take care of the entire key replacement process including programming a brand new key for your 500. In fact, they can offer you a clone key that works just the same way as your original fob (and costs only a fraction of the cost).