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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a handy way to open the doors and start the car. There are many reasons why the fob won't work. This could be due to a dead battery or water damage, issues with the receiver module, and interference.

This listing is for a NEW replacement fiat 500 key fiat ducato key fob programming Flip Key Remote - similar to the Ilco brand that needs to be professionally programmed by a local locksmith (click here for Locksmith Search). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is the most common cause of your 500 key fob being inoperative. Key fobs of today have only a limited range of operation and must be within only a few inches from the vehicle in order to function. If you are far from your vehicle when 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, replace the coin-cell battery (Part Number CR2032) by a brand new one of a trusted brand such as Panasonic Duracell or Energizer. You can typically find them at your local hardware store or on the internet.

After you've replaced the battery in the coin cell you can test it by standing close to your Fiat 500 and pressing the buttons. The parking lights will flash and the key fob should operate the lock and unlock switch.

If your key fob isn't working even after replacing the battery, it could be water damage that is preventing it from connecting to the module in your vehicle. Water damage can occur in many ways, such as simply splashing or submerging the key fob saltwater at the beach. If you suspect your fob has been exposed to water, you can try placing it in a dry rice bag to pull the moisture out. If this doesn't work, you will require your fob to be reprogrammed either by an auto locksmith or a dealer.

Water Damage

While the fob has some rubber seals that keep water out of the chip's electronic circuit and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually cease to function. Getting the fob wet is not an option but if you accidentally drop it in the water in a cup or do not remember to take it out of your pocket before you run the washer Don't give up hope.

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

If your key is a bit older and is not programmed for your vehicle, you will need to replace it completely. A professional locksmith for cars can complete this simple process. The locksmith will need to cut the key to match the ignition of your car. They'll also need to reprogram the fob to your car's system. This is a cheap and quick procedure that can be completed within the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob could stop functioning is that it's out of range. The remote's range is of 30 feet. So in the event that you are far away from your vehicle, it won't respond to your commands. It is possible to fix this by moving the remote closer to your car until it responds.

If your fob isn't working after you replace the battery for the coin, also known as a "button", "watch" or "button" it could be due to a problem with the internal circuit board. Reprogramming the fob is usually the solution to the issue. There are instructions on how to start a fiat 500x with key to do this for most automobiles by searching YouTube or checking out 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 coin battery from being properly seated and can result in the malfunction of your remote.

In rare cases the fob can become out of sync with your vehicle because of software or hardware problems. This could be a huge problem, but you can usually resolve this issue by visiting an auto locksmith to reprogram your fob for you. In certain instances, they may need to reinstall the software on your body control module, too.

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 near a radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob may not function include a weak connection to the buttons and internal chip, or water damage.

If your key fob suddenly stopped working, or you've tried everything at home to solve the issue (e.g. You may have a faulty 500 receiver module in the event that you've tried replacing the battery, reprogramming or using a spare key fob. The receiver module, which is located beneath the dashboard, detects radio frequency signals from your key fob. It converts the signals into electronic commands that are then read by the vehicle.

Luckily, there is an easy way to reset all on-board systems in your 500 device, including the key fob. Disconnect the battery of 12 volts for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will get rid of any remaining electricity and then restart the car's computer system, which can help you the key fob to function again. If the issue continues, you should seek the advice of an expert technician. They will be able to determine the exact cause of your problems.