Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 is a great way to open the doors and start the car. However, there are a variety of reasons the fob could stop working. These include a dead coin battery, damage to the receiver module, issues, and interfering.
This listing is for a NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. fiat 500x key fob needs to be professionally programmed (click here to search for 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 have a very restricted operating range, and must be within just a few feet of the vehicle to function. If you are not within your car and press the keyfob button it will not respond, and display the message "Key Fob Not Detected".
If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) by a new one from a reputable brand such as Panasonic Duracell or Energizer. You can find them at your 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 should flash and the key fob should operate the lock and unlock switches.
If the fob's remote doesn't work after replacing the battery, it might be damaged by water that blocks it from communicating with the receiver module in your car. Water damage can occur in a variety of ways, such as a simple splash or submerging your key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a bag of rice to draw out the moisture. If that doesn't work, your fob may need to be reprogrammed by an experienced auto locksmith or the dealer.
Water Damage
While the fob has some rubber seals to keep water out of the chip's electronic circuit, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can be particularly harmful to the fob's circuit board, causing it to short out and eventually end up dying. If you get the fob wet, it's not an ideal idea but if you accidentally drop it into a cup of water or fail to remove it from your pants pocket prior to running the washing machine do not give up hope.
First, remove the battery. Before replacing the battery clean the electronic chip with isopropyl or another similar product. Then try the fob and verify if it is working. If the key still doesn't function, it may need to be programmed again. This is typically done by a dealer or professional auto locksmith.
If your key is older and is not programmed to work with your vehicle, you will need to replace it completely. A professional locksmith for cars can carry out this simple task. The locksmith must cut the key to match the ignition of your car. They'll also need to reprogram the fob in your vehicle's system. This is an affordable and quick process that can be completed the same day.
Receiver Module Issues
The 500 key fob could be inoperable because it's out of range. The remote's range is of 30 feet, which means when you're too far away from your vehicle it won't be able to respond to your commands. This can easily be resolved by moving closer to your vehicle until it begins responding.
If you've replaced your coin battery (commonly known as"button" or "button" or "watch") and your fob still won't work, it could have an internal circuit board issue. Reprogramming the fob usually resolves this issue. You can find the procedure for most vehicles on YouTube or in the owner's guide.
You may need to replace the metal retaining clips that keep the coin battery in place. If they lose tension they could stop the battery from being properly seated and can result in the malfunction of your remote.
In rare cases it is possible that the fob will become desync'd with your vehicle due to software issues or hardware issues. This could cause a significant headache, but you can usually fix it by visiting an auto locksmith to have them reprogram your fob. In some instances they might need to install the software again in your body control module too.
Interference
In addition to a dead battery on a coin the key fob could not be able to transmit or receive an signal due to interference. This can happen when the key fob is close to an electronic radio transmitter (cell phones or radar detectors) or any other source of electromagnetic radiation. Other reasons why the key fob could not function include a poor connection to the buttons or damage to the internal chip, or water damage.
If the key fob failed to work one day in the middle of the night or even after trying everything you can at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, you might have a defective receiver module on your 500. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It converts the signals into electronic commands that are then processed by the vehicle.
There is a straightforward method to reset the 500's internal system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Then reconnect the battery. This will erase any remaining electrical charge, and then restart the computer of your car. This will help you get your key fob to work again. If the issue continues it is recommended that you consult an expert technician. They'll be able to diagnose the exact cause of your problem.