Welcome to Q2A, where you can ask questions and receive answers from other members of the community.
0 votes
Fiat 500 Replacement Key Fob

If your 500 remote key fob isn't functioning, it could be time to replace the battery. If you replace the battery and it doesn't work it could be a problem somewhere else.

imageAt United Locksmith, we specialize in making new keys for classic automobiles. We have all the tools and accessories needed to provide this service.

Dead Coin Battery

A dead battery is the main reason for your Fiat 500 keyfob not locking or unlocking the doors. The key fob comes with an internal battery called a coin cell that will drain quickly in the event that it is not frequently used. If your remote started to show signs of weakness like a loss of range, and then stopped working completely it is likely that the battery is dead.

The battery in the key fob is held in place by metal clips that retain it. If the clips are loose, they could cause contact issues which will prevent the remote from receiving power. With a small flathead screwdriver, pry the retaining clip to remove 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 exposure to water can cause the key fob to corrode or become damaged. Even a small bath in soapy water can damage the electronic chip inside. It is best to keep your key fob in a dry place.

Water Damage

Damage to your water supply could be the cause of your key fob's inability to function properly. The rubber seals on key fobs keep them from being damaged by a small splash or drizzle of water. However, it is crucial to keep your keys of your car away from the washing machine, the ocean, and pool.

The key fob comes with an electronic chip in it that transmits a signal to your car's immobilizer system. The chip allows the 500 to be locked and started. If it gets wet it will cease to work.

You can try cleaning the internal electronics of your key fob with isopropyl Alcohol or an electronic cleaner to see if they are still good. It is recommended to replace the key fob if it's submerged into salt water instead of trying to fix it yourself.

Although a replacement fob may cost you a bit of money, it's much cheaper than having to pay for your Fiat 500 to be towed to the dealership and repaired! You can also do it yourself with several easy steps. Make sure you have the correct type of battery before you attempt to open your key fob. You can find step-bystep instructions for any car keyfob online.

Faulty Chip

The chip inside the key fob connects directly with the immobiliser on your car to ensure that your vehicle will only start when correct keys are used. If the chip is damaged or corrupted the car won't start, no matter what you do.

Water damage or a dead battery are the most common causes of a faulty chip. Whatever the reason, it's best to delegate the job to a locksmith as they will be able to repair the chip for Fiat 500 Replacement Key Fob you swiftly and at a low cost.

If your key fob does not work after being exposed to clean water from a tap or rain take it off the battery. Wipe down the electronic component using a paper towel. If the key fob does not function, there's a chance that it has an issue with the component and requires to be replaced.

Some people will turn to their dealer when in need of a new fiat punto locked keys in car key fob, however this is a expensive alternative. If you are seeking a cost-effective method to have your Fiat key fob repaired, look no further than United Locksmith. We have the tools and experience needed to repair your Fiat fob in a timely and professional manner.

Faulty Receiver Module

Fiat key fobs transmit signals of up to 50 feet to the vehicle, which can unlock and lock the doors (and start the vehicle for those with automatic transmissions). There are several reasons why a fob could not function. This can be caused by a dead coin-battery, water damage, worn-out buttons, a receiver issue, signal interference or a malfunctioning chip.

If the fob has been in a pocket which has been subject to extreme trauma, such as being dropped on hard floor or being washed in a washer or dishwasher, it might not be able to communicate with the car's Body Control Module (BCM). The BCM is a security device which will only accept signals from genuine original keys.

If this is the case, you will need to replace your fob. A professional locksmith will manage the entire replacement process including programming a new one for your 500. They can even offer an identical fob that functions exactly like the original (and costs less than the cost).
by (160 points)

Please log in or register to answer this question.

...