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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob allows you to easily open doors and start your car. However, there are a variety of reasons why the fob may stop functioning. This could be due to a dead battery or water damage, issues with the receiver module, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote - similar to the Ilco brand that must be programmed professionally by a local automotive locksmith (click here to search for a Locksmith Search). This remote includes trunk, lock and unlock buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob will not function is the battery is dead. fiat 500 replacement key have limited operating range and must be within a few inches of the vehicle to function. If you are far from your car and push the keyfob button 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 new one of a reputable brand such as Panasonic Duracell or Energizer. You can usually find them in your local hardware store or on the internet.

After you've replaced the battery of your coin cell It is possible to test it by standing next to your Fiat 500 and pressing the buttons. The parking lights should flash and the key fob should operate the lock and unlock switch.

If the fob's key doesn't function after replacing the battery, it could be damaged by water that blocks it from communicating with the receiver module in your car. 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, try placing it in a dry rice bag to draw the moisture back out. If this doesn't work, your fob is likely to require reprogramming by a professional locksmith or dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob in the ocean, or wash it in a washer. Saltwater can cause the circuit board to become shorted and eventually fail. The fob getting wet is not an ideal choice however, if you drop it in a cup of water or do not remember to remove it from your pants pocket before running the washer do not give up hope.

First take the battery off the fob. Clean the electronic chip with isopropyl alcohol or a similar product and then dry it thoroughly before replacing the battery. Then try the fob and check if it functions. If the key still doesn't work, it may need to be changed. This is usually handled by an auto locksmith or dealer.

If your key is old and is not programmed to work with your vehicle then you'll need to replace it completely. A professional locksmith for automotive can complete this simple process. The locksmith must cut the key to match the ignition of your car. They'll also have to reprogram the fob for the system of your car. This is a quick and affordable process that can be completed the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob might stop functioning is because it's out of range. The remote usually has a range of 30 feet or less, and if it's too far from your car, it won't respond to your commands. You can easily solve this problem by moving the remote closer to your vehicle until it responds.

If you've replaced the coin battery (commonly called a "button" or "watch") and your fob still won't work It could be because of an internal circuit board issue. In the majority of cases, reprogramming your fob can resolve the problem. You can find directions on how to do this for the majority of automobiles by searching YouTube or reading the owner's manual.

It may be necessary to replace the clips made of metal that hold the coin batteries in their place. If they lose tension, it could prevent the battery from being properly seated and cause the remote to malfunction.

In rare cases the fob could be disconnected from your vehicle due to software problems or hardware issues. You can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases it is possible that the software will need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob to not be able to receive or transmit an signal. This could happen if the key fob is close to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob might not work could be due to a weak connection to the buttons, damage to the internal chip, or water damage.





If the key fob has been unable to function for a while in the middle of the night or even after trying everything you can do at home to solve it e.g. You may have a faulty 500 receiver module after you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module, which is located beneath the dashboard, receives radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated 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 by taking off first the negative cable, then the positive cable. Then, reconnect the battery. This will erase any remaining electricity, and allow you to restart the computer in your car. This can help you get your key fob to function again. If the problem persists you should seek the advice of an expert technician. They will be able to diagnose the exact cause of your issue.