Reasons Your fiat 500 spare key cut 500 Key Fob Won't Work

A key fob for Fiat 500 makes it easy to open doors and start your vehicle. There are a variety of reasons why the fob may stop working. These include a dead battery, damaged receiver module, water damage issues, and interference.

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Dead Coin Battery

A dead battery is the most frequent reason for your 500 key fob that isn't working. Modern key fobs have a limited range of operation, and must be within just a few feet of the vehicle to operate. If you're far from your vehicle and you hit the keyfob, it won't respond and display the message "Key Fob Not Detected".

If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) by a fresh one of a reliable brand, like Panasonic Duracell or Energizer. You can find them at your local hardware store, or on the internet.

After you've changed the battery on the coin cell It is possible to test it by standing next to your Fiat 500 and pressing the buttons. The car will flash its parking lights and the key fob should work the lock and unlock switches.

If the fob's key doesn't work after replacing the battery, it may be damaged by water, which prevents it from communicating with the receiver module in your car. Water damage can occur in a number of ways, from small splashes to submerging the fob salt water at the beach. If you suspect your fob was exposed to water, try placing it in a dry rice bag to draw the moisture back out. If this doesn't work, you will need to have the fob replaced by an auto locksmith or a dealer.

Water Damage

While the fob comes with rubber seals to keep water out of the chip's electronic circuit it, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater is particularly dangerous to the fob's circuit board, causing it to short out and eventually die. If you get the fob wet, it's not an ideal choice but if you drop it into a glass of water or don't remember to remove it from your pants pocket before running the washing machine do not give up hope.

First, remove the battery from the fob. Before replacing the battery, clean the electronic chip using isopropyl or similar products. Check the fob again to determine if it's functioning. If the fob doesn't work, it may have to be changed. This is usually handled by a professional or dealer auto locksmith.

If the key is more recent and hasn't been programmed to your vehicle, it will likely need to be replaced completely. A professional locksmith for automotive will be able to complete this process. The locksmith will need to cut the key to match the ignition on your vehicle. The locksmith will also have to reprogram the fob into the car's system. This is an affordable and quick process that can be completed within the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob could stop working is because it's out of range. The remote's range is of 30 feet. So when you're too far away from your vehicle it will not respond to your commands. It's easy to solve this issue by moving the remote closer to your car until it responds.

If your fob does not work after replacing the battery inside the coin, which is also called a "button", "watch" or "button" It may be due to a malfunction on the circuit board inside. Reprogramming the fob is usually the solution to this problem. You can find the procedure for the majority of vehicles on YouTube or in the owner's manual.

You may have to replace the metal retaining clips that keep the battery of your coin in place. If they lose tension it can prevent the coin battery from being seated properly and could result in the malfunction of your remote.

In rare instances, the fob could be out of sync with your vehicle because of software or hardware problems. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations they might need to install the software again in your body control module, as well.

Interference

In addition to a dead battery on a coin the key fob could not be able to transmit or receive signals due to interference. This can happen when the key fob is close to an electronic radio transmitter (cell phones, radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob might not work include a weak connection to the buttons or the internal chip or water damage.

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

There's a simple method to reset the 500's internal system including the keyfob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computers, which can help you the key fob to function again. If the issue persists you should seek out an experienced technician. They will be able to determine the exact cause of issues.