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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 makes it simple to open doors and start your vehicle. There are many reasons the fob could stop working. This could be due to a dead coin battery water damage, receiver module issues, or interference.

This listing is for an NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths for automotive locksmiths). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob won't function is due to an inactive battery. Key fobs of today have an operating range that is limited and must be within just a few inches of the vehicle in order to function. If you are further away from your vehicle and hit the keyfob, it will not respond, and display the message "Key Fob Not Detected".

If this happens, simply replace the battery of your coin cell (Part number CR2032) with a brand new one from a reputable brand such as Panasonic, Duracell, or Energizer. You can usually find them in your local hardware store or online.

You can test the coin-cell battery by pressing the buttons while standing near your Fiat 500. The parking lights should light up and the key fob should operate the lock and unlock switches.

If your key fob does not work after replacing the battery, there might be water damage that has prevented it from connecting to the module inside your vehicle. Water damage can happen in a variety of ways, ranging from an accidental splash to submerging your fob in salt water at the beach. If you suspect your fob was exposed to water, you can try placing it in a dry rice bag to pull the moisture out. If this does not work, you'll need to have your fob changed by an auto locksmith or dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean or wash it in a washing machine. Saltwater is particularly dangerous to the fob's circuit board and can cause it to short out and eventually end up dying. In the event that you let your fob get wet, it's not an ideal choice, but if you drop it into a cup of water or fail to remove it from your pants pocket before running the washing machine do not give up hope.

Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl or another similar product. Then test the fob to check if it functions. If the key does not work, it may need to be reset. This is usually handled by an auto locksmith or dealer.

If the key is newer and has never been programmed to your vehicle It is likely that it needs to be replaced completely. A professional locksmith in the automotive industry can carry out this simple task. The locksmith will require the key to be cut to match the car's ignition. The locksmith will also need to reprogram the fob into the vehicle's system. This is a low-cost and fast process that can be completed the same day.

Receiver Module Issues

The 500 key fob could be inoperable because it's out of range. fiat ducato key has a maximum range of 30 feet. Therefore, when you're too far away from your vehicle, it won't respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.





If your fob won't work after you replace the battery for the coin, also called a "button", "watch" or "button" it could be due to an issue with the circuit board inside. Reprogramming your fob can resolve the issue. You can find instructions on how to do this for most automobiles by searching YouTube or consulting the owner's manual.

It's possible that you need to replace the metal retaining clips that keep the coin battery. If they loose tension, it could prevent your coin battery from being properly seated, causing your remote to malfunction.

In rare instances, the fob could be out of connection with your vehicle as a result of software or hardware problems. You can fix this problem by visiting your local auto-locksmith or dealer to reprogram your key fob. In some cases they might need to reinstall the program in your body control module, as well.

Interference

Interference can also cause the key fob to not be able to receive or transmit signals. This could happen if the key fob is in proximity to radio transmitters (cell phones and radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob could not function include a poor connection to the buttons, damage to the internal chip or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to fix it (e.g. You might have a damaged 500 receiver module in the event that you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module, which is located under the dashboard, receives radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated by the vehicle.

Luckily, there is an easy method of resetting all of the on-board systems in your 500 keys, including the key fob. Disconnect the battery of 12 volts for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will clear any residual electric current, and also restart the computer in your car. This will help you get your key fob to work again. If the issue continues, you should consult an expert technician. They will be able diagnose the exact cause of any issues.