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

A key fob for the Fiat 500 makes it easy to open doors and start your car. There are a myriad of reasons the fob won't work. It could be due to a dead battery or water damage, receiver module problems, and interference.

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

Dead Coin Battery

The most common reason your 500 key fob doesn't function is an inactive battery. Modern key fobs have a limited range of operation and must be within a few inches of the vehicle in order to work. If you're far from your car and press the keyfob button, it won't respond and display the message "Key Fob Not Detected".

If this happens you need to replace the battery of your coin-cell (Part Number CR2032) by a new one of a reliable brand, such as Panasonic Duracell or Energizer. They are typically available in your local hardware store or online.

After you've changed the battery on the coin cell You can test it by standing next to your fiat 500 spare key cost 500 and pressing the buttons. The car will flash its parking lights and the key fob will operate the lock and unlock buttons.

If your key fob doesn't work even after replacing the battery, it may be water damage that prevents it from communicating with the module inside your vehicle. Water damage can happen in a variety of ways, from an accidental splash to submerging the fob in salt water at the beach. If you think your fob was exposed to water, place it in a bag of rice to draw out the moisture. If this doesn't work, your fob may require reprogramming by a professional auto locksmith or by the dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to short and then cease to function. It's not the best idea to get the fob wet, but don't give it up when you accidentally drop it in water, or fail to take it out of your pants pocket.

First, remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl or Fiat Ducato key similar products. Check the fob to verify if it's working. If the key isn't working, it may have to be reprogrammed. This is typically done by a dealer or professional auto locksmith.

If the key is more recent and has not been programmed to your car it is likely to need to be replaced completely. This is an easy process that can be handled by a professional automotive locksmith. The locksmith will require the key cut to match your vehicle's ignition. They'll also have to reprogram the fob in your vehicle's system. This is an affordable and quick procedure that can be completed in the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob may stop working is that it's simply out of range. The remote usually has a range of 30 feet or less, and if it's too far from your vehicle, it won't respond to your commands. It is possible to solve this issue by moving the remote closer to your vehicle until it responds.

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

You may have to replace the metal clips that hold the coin battery. If they lose tension it could hinder the coin battery from sitting properly and cause your remote to malfunction.

In rare cases it is possible that the fob will become desync'd with your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances it may be necessary to reinstall the software on your body control module, as well.

Interference

Interference can also cause the key fob to not receive or transmit signals. This could happen if the key fob is in proximity to the radio transmitter (cell phones, radar detectors) or any other source of electromagnetic radiation. Other reasons why the key fob may not function include a poor connection to the buttons, damage to the internal chip, or water damage.

If the key fob stopped working one day out of the blue or even after trying everything you can do at home to resolve it e.g. battery replacement, reprogramming and using the spare key fob, you might have a damaged receiver module on your 500. The receiver module, which is located under the dashboard, receives radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

Fortunately, there's an easy method of resetting every single system on board in your 500 and include the key fob. Disconnect the 12 volt battery for about 15 minutes, by taking off the negative cable first then the positive cable. Then reconnect the battery. This will clear out any remaining electricity and restart the car's computers, which could help get your key fob working again. If the issue continues you should seek out an experienced technician. They will be able to determine the exact cause of your issues.