Reasons Your Fiat 500 Key Fob Won’t Work

A key fob from Fiat 500 is a handy way to unlock the doors and start the car. However, there are numerous reasons why the key fob might stop functioning. These include a dead battery or damage to the receiver module, water problems, and interference.

This listing is for a NEW replacement fiat 500 key fiat key fob programming Flip Key Remote that is similar to the Ilco brand. It has to be professionally programmed (click here to find local locksmiths in the automotive industry). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the most common reason for your 500 key fob not working. Modern key fobs offer only a limited range of operation and must be within just a few inches of the vehicle in order to function. If you are further away from your car and press the keyfob button it will not respond, and display the message “Key Fob Not Detected”.

If this occurs, replace the coin-cell battery (Part Number CR2032) by a new one of a reliable brand, such as Panasonic Duracell or Energizer. You can find them in the local hardware store or on the internet.

After you’ve replaced the coin cell battery you can test it by standing near your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob will operate the lock and unlock switch.

If your key fob isn’t working after replacing the battery, there might be water damage that is preventing it from interacting with the module in your vehicle. Water damage can happen in many ways, including simply splashing or submerging the key fob into saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a rice bag to draw out the moisture. If that doesn’t work, the fob might need to be reprogrammed by an experienced auto locksmith or the dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water out of the chip’s electronic circuit it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short, and eventually end up dying. The fob getting wet is not an option but if you drop it into a glass of water or fail to remove it from your pants pocket before running the washer, don’t give up hope.

Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl or a similar product. Then, test the fob to see if it works. If the key isn’t working, it may need to be reset. This is typically done by a professional or dealer auto locksmith.

If your key is older and has not been programmed for your car You will need to replace it completely. This is a simple process that can be completed by a professional locksmith for automotive use. The locksmith will need to cut the key to match the ignition of your car. They will also need to reprogram the fob in the system of your car. This is a cost-effective and quick process that could be completed the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob could stop working is that it’s simply out of range. The remote typically has an operating range of 30 feet or less, and if it’s too far away from your car it won’t respond to your commands. This can be fixed by moving it closer to your vehicle until it begins responding.

If your fob doesn’t work after replacing the battery for the coin, also known as a “button”, “watch” or “button” It could be a problem with the circuit board inside. In the majority of cases, reprogramming your fob will solve the problem. You can find the procedure for the majority of vehicles on YouTube or in the owner’s manual.

It could be necessary to replace the metal clips that hold the coin batteries in place. If they become loose, it can prevent your coin battery from being properly seated and cause your remote to malfunction.

In rare cases the fob could be desync’d with your vehicle because of software or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances the software might require reinstallation to your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit an signal. This could occur if the key fob is near a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob may not function due to a poor connection to the buttons or water damage, or damage to the internal chips.

If your key fob suddenly stopped working, or you’ve tried everything at home to solve the issue (e.g. replacing the battery, reprogramming it and using the spare key fiat 500 key fob, you could have a faulty receiver module on your 500. The receiver module, located beneath the dashboard, receives radio frequency signals from your key fob. It converts the signals into electronic commands, which are then processed by the vehicle.

There’s a simple method to reset the 500’s onboard system including the keyfob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Then, reconnect the battery. This will remove any remaining electricity, and restart the computer of your car. This can help get your key fob to work again. If the problem persists you should seek the advice of an expert technician. They’ll be able to determine the exact cause of your issues.