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

A fiat 500 key fob is a convenient method to unlock the doors and start the car. There are many reasons why the fob may stop working. This could be due to a dead coin battery damage to the receiver module, water issues, and interference.

This listing is for an NEW replacement fiat replacement key Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to find local locksmiths for automotive locksmiths). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob won't work is the battery is dead. Modern key fobs have a very limited range of operation, and must be within only a few feet from the vehicle to function. If you're far from your vehicle when you press the key fob button the car won't respond and fiat 500 key fob will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery in the coin cell (Part number CR2032) by a new one from a reliable brand like Panasonic, Duracell, or Energizer. They are usually available at your local hardware store, or online.

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

If the fob's remote doesn't work after replacing the battery, it might have water damage that prevents it from communicating with the receiver module inside your vehicle. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob salt water at the beach. If you suspect your fob was exposed to water, put it in a dry rice bag to draw the moisture back out. If that doesn't work your fob may need to be reset by an experienced locksmith or dealer.

Water Damage

Water damage can occur when you submerge the fob in the ocean, or wash it in a machine. Saltwater can cause the circuit board to short and eventually cease to function. Getting the fob wet is not an ideal idea, but if you drop it in a glass of water or fail to remove it from your pocket before you run the washing machine do not give up hope.

Remove the battery first. Clean the electronic chip with isopropyl or a similar product and dry it thoroughly before replacing the battery. Test the fob next to verify if it's working. If the key doesn't function, it may need to be changed. This is usually handled by an auto locksmith or dealer.

If the key is a newer model and was not programmed to your car, it will likely need to be replaced completely. This is a simple process which can be accomplished by a professional automotive locksmith. The locksmith will have to cut the key to match the ignition on your vehicle. The locksmith will also have to reprogram your fob into the car's system. This is an affordable and quick procedure that can be completed in the same day.

Receiver Module Issues

Your 500 key fob might be inoperable because it's out of range. The remote typically has 30 feet of range or less and if it's far from your car, it won't respond to your commands. It is possible to remedy this by moving your remote closer to your car until it responds.

If your fob isn't working after replacing the coin battery, also called a "button", "watch" or "button", it could be due to an issue with the circuit board inside. Reprogramming your fob can resolve this issue. There are instructions on how to do this for all automobiles by searching YouTube or reading the owner's manual.

It is sometimes necessary to replace the metal clips that hold the coin batteries in their place. If they loose tension, it can prevent the battery from being properly seated and cause your remote to malfunction.

In rare instances the fob could be disconnected from your vehicle due to software problems or hardware issues. This could cause a significant problem, but you can often fix this by visiting a local dealer or auto locksmith to reprogram your fob for you. In certain situations, they may 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 could happen when the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons the key fob might not work include a poor connection to the buttons, damage to the internal chip or water damage.

If your key fob suddenly stopped working, or you have tried everything at home to resolve it (e.g. battery replacement, reprogramming and using the spare key fob, you could have a damaged receiver module on your 500. The receiver module is located under the dash and picks up the radio frequency signals from the key fob. It converts them to electronic commands that the vehicle interprets.

There is a simple way to reset the 500's onboard 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 remove any remaining electrical charge, and then restart the computer in your car. This can help you get your key fob to work again. If the problem persists you should speak with an expert technician. They will be able to identify the exact cause of issues.