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Reasons Your fiat 500x key 500 Key Fob Won't Work

A key fob for the Fiat abarth Key 500 allows you to easily open doors and start your car. However, there are a variety of reasons the fob could stop working. This could be due to a dead coin battery or damage to the receiver module, problems, and interference.

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

Dead Coin Battery

The most frequent reason that your 500 key fob won't function is the battery is dead. Modern key fobs only 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 far from your vehicle, and you press the key fob button the car won't respond and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery in the coin cell (Part number CR2032) with a new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available in your local hardware store, or online.

After you've replaced the coin cell battery It is possible to test it by standing close to your fiat 500 key fob not working 500 and pressing the buttons. The car will blink its parking lights, and the key fob should work the lock and unlock switches.

If the fob's remote doesn't function after replacing the battery, it may be damaged by water, which prevents it from connecting to the receiver module in your car. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob into saltwater at the beach. If you suspect that your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this fails, you'll need to have your fob changed by an auto locksmith or a dealer.

Water Damage

The fob does have rubber seals that keep water from the electronic chip inside the device, submerging it into the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and then fail. It's not good to let the fob get wet, but don't give it up even if you accidentally drop the fob in water or forget to take it out of your pants pocket.

Remove the battery first. Before replacing the battery clean the electronic chip with isopropyl or similar products. Check the fob to verify if it's working. If the key isn't working, it may need to be reprogrammed. This is typically handled by a professional or dealer auto locksmith.

If your key is a bit older and not programmed to work with your vehicle then you'll need to replace it completely. This is a simple process that can be completed by a professional locksmith for automotive use. The locksmith needs to cut the key to match the ignition of your car. They'll also need to reprogram the fob for the car's system. This is a simple and cost-effective process that is usually completed the same day.

Receiver Module Issues

One of the main reasons your 500 key fob could stop functioning is because it's out of range. The remote usually has a range of 30 feet or less and if it's far from your car, it will not respond to your commands. It is possible to solve this issue by moving the remote closer to your vehicle until it responds.

If you've replaced the battery on your coin (commonly known as a "button" or "watch") and the fob won't work, it could have an internal circuit board issue. Reprogramming the fob usually resolves the issue. You can find the instructions on how to open fiat 500 without key to do this for all automobiles by searching YouTube or checking out the owner's manual.

You may need to replace the metal retaining clips that keep the coin battery. If they lose tension, it could prevent the coin battery from being seated properly and can cause the remote to malfunction.

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 problem, but you can usually resolve this issue by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In some instances, they may need to reinstall the software in your body control module, too.

Interference

In addition to a dead coin battery The key fob might not be receiving or transmitting signals due to interference. This could happen if the key fob is located near radio transmitters (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons the key fob might not function include a weak connection to the buttons and internal chip or water damage.

If the key fob has suddenly stopped working, without notice or after trying every option at home to resolve it e.g. You could have a malfunctioning 500 receiver module If you've tried replacing it with a battery, reprogramming it, or using an alternative key fob. 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 interpreted by the vehicle.

There's a quick and easy way to reset the 500's internal 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 remove any remaining electrical charge, and then restart the computer in your car. This will help you get your key fob working again. If the issue persists, you should consult an experienced technician. They will be able diagnose the root of any issues.