Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it simple to open doors and start your vehicle. There are many reasons the fob won't work. This includes a dead battery or water damage, issues with the receiver module, and interference.

This listing is for a NEW Replacement Key For Fiat 500 fiat keys replacement Flip Key Remote - an exact replica of the Ilco brand that needs to be programmed professionally by a local automotive locksmith (click here for Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob doesn't work is a dead battery. Modern key fobs have a very limited operating range and should be within some feet of the vehicle in order to function. If you're far away from your vehicle when you press the key fob button the car will not respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this occurs If this happens, replace the battery in the coin-cell (Part Number CR2032) by a new one of a trusted brand such as Panasonic Duracell or Energizer. You can typically find them in your local hardware store or on the internet.

You can test the coin-cell battery by pressing the buttons while standing near your Fiat 500. The car will flash its parking lights and the key fob should be able to operate the lock and unlock buttons.

If your fob's key doesn't work even after replacing the battery, there may be water damage which has prevented it from communicating with the module in your vehicle. Water damage can occur in many ways, such as an easy splash or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, you can place it in a bag of rice to draw out the moisture. If that doesn't work, the fob might require reprogramming by a professional locksmith or dealer.

Water Damage

While the fob comes with rubber seals to keep water from the electronic chip inside the device, submerging it into 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. It's not a good idea to soak the fob in water however, but don't give it up in the event that you accidentally drop it in the water or don't take it out of your pants pocket.

First remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or similar products. Then check the fob to verify if it is working. If the fob doesn't function, it may need to be reset. This is usually done by an auto locksmith or dealer.

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 straightforward process that can be completed by a professional automotive locksmith. The locksmith will require the key to be cut to match the car's ignition. They will also need to reprogram the fob in your vehicle's system. This is an affordable and fast process that can be completed within the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob won't be functioning is because it's out of range. The remote typically has a range of 30 feet or less, and if it's too far away from your car it will not respond to your commands. You can remedy this by moving your remote closer to your car until it responds.

If you've replaced the battery on your coin (commonly known as"button" or "button" or "watch") and your fob doesn't function It could be because of an internal circuit board issue. Reprogramming your fob can resolve the issue. You can find instructions on how to do this for the majority of vehicles by searching YouTube or looking through the owner's manual.

It is possible to replace the clips made of metal that hold the coin batteries in place. If they loose tension, it could hinder the coin battery from sitting properly, and this will cause your remote to malfunction.

In rare instances the fob could be desync'd with your vehicle due to software problems or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances it is possible that the software will need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit a signal. This is possible when the key fob is in proximity to an electronic radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob may not function because of a weak connection with the buttons or water damage, or damage to the internal chips.

If your key fob suddenly stopped working, or if you've tried everything at home to fix it (e.g. It could be a defective 500 receiver module if you've tried replacing the battery, reprogramming, and using a spare key fob. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a quick and easy way to reset the 500's on-board system including the keyfob. Disconnect the battery of 12 volts for approximately 15 minutes by taking off the negative cable first then the positive cable. Reconnect the battery. This will remove any remaining electricity and restart the car's computers. This could allow you to get your key fob working again. If the problem persists you should seek out an experienced technician. They will be able to determine the root cause of any issues.