Reasons Your Fiat 500 Key Fob Won't Work

A key fob for Fiat 500 makes it easy to open doors and start your car. There are a variety of reasons why the fob won't work. This could be due to a dead coin battery damaged receiver module, water damage issues, or interference.

This listing is for an NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to find local locksmiths for your vehicle). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob doesn't function is a dead battery. Modern key fobs have a limited operating range and should be within just a few feet of the car to operate. If you are not within your vehicle, and you press the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens, simply replace the coin cell battery (Part number CR2032) with a brand new one from a reputable brand such as Panasonic, Duracell, or Energizer. They are available at the local hardware store or on the internet.

You can test the battery in the coin-cell by pressing the buttons while you're standing close to your Fiat 500. The parking lights will flash and the key fob will operate the lock and unlock switches.

If the key fob won't work after replacing the battery, it might have water damage that prevents it from connecting to the receiver module inside your car. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob saltwater at the beach. If you think your fob was exposed to water, you can place it in a bag of rice to draw out the moisture. If that doesn't work, the fob might require reprogramming by an experienced locksmith or dealer.

Water Damage

The fob does have rubber seals to keep water out of the electronic chip inside, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to become shorted and eventually cease to function. If you get the fob wet, it's not an option, but if you drop it into a cup of water or fail to remove it from your pocket before you run the washing machine and you don't have a chance, don't give in.

First take the battery off the fob. Before replacing the battery clean the electronic chip using isopropyl or a similar product. Check the fob again to check if it's functioning. If the fob doesn't work it could need to be programmed again. This is usually handled by an auto locksmith or dealer.

If the key is a newer model and hasn't been programmed to your car It will most likely need to be replaced completely. This is an easy process that can be carried out by a professional locksmith for automotive use. The locksmith will need the key cut to match the car's ignition. They will also need to reprogram the fob to the system of your car. It's a simple and inexpensive process which can be completed on the same day.

Receiver Module Issues

Your 500 key fob might not function because it's out of range. The remote's range is of 30 feet, so in the event that you are far from your vehicle it will not respond to your commands. You can easily solve this issue by moving the remote closer to your vehicle until it responds.

If you've replaced the battery on your coin (commonly called a "button" or "watch") and the fob isn't working, it could have an internal circuit board issue. In most cases, reprogramming the fob will solve the issue. You can find the steps for most vehicles on YouTube or in the owner's manual.

It is possible to replace the metal clips that keep the battery of your coin in place. If they loose tension, it may prevent your battery from being properly seated and cause your remote to malfunction.

In rare cases the fob might become disconnected from your vehicle due to software problems or hardware issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations they may have to reinstall the program in your body control module as well.

Interference

In addition to a dead coin battery the key fob could not be receiving or transmitting an signal due to interference. This could happen if the key for fiat 500 key replacement 500 (www.plantsg.com.sg) fob is in proximity to a radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob might not function may be a lack of connection to the buttons or damage to the internal chip, or water damage.

If the key fob has stopped working one day suddenly and you've tried every option at home to resolve it e.g. replacing the battery, reprogramming, and using the spare key fob, you could have a damaged receiver module on your 500. The receiver module, which is located beneath the dashboard, picks up radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's in-board system, including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electrical charge, and then restart the computer of your car. This can help you get your key fob to function again. If the issue persists, you should consult an expert technician. They will be able to diagnose the exact cause of your problem.