Reasons Your Fiat 500 Key Fob Won't Work

A key fob for Fiat 500 makes it easy to open doors and start your vehicle. There are a variety of reasons why the fob could stop working. This could be due to a dead coin-battery and water damage, as well as issues with the receiver module, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths for your vehicle). Includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common reason for your 500 key fob not working. Modern key fobs come with a limited range of operation, and should be within only a few feet from the vehicle in order to function. If you're not close to your vehicle and 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 occurs, replace the coin-cell battery (Part Number CR2032) by a new one of a reputable brand such as Panasonic Duracell or Energizer. They are typically available at your local hardware store or online.

After you've changed the battery on the coin cell You can test it by standing near your fiat ducato key replacement 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, there may be water damage that prevents it from interacting with the module inside your vehicle. Water damage can occur in a number of ways, from a light splash to submerging the fob in salt water at the beach. If you suspect your fob was exposed to water, you can try placing it in a dry rice bag to pull the moisture out. If this isn't working, you'll need to have the fob reprogrammed either by an auto locksmith or dealer.

Water Damage

While the fob comes with rubber seals to keep water from the chip's electronic circuit, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater poses a particular risk to the fob's circuit board, causing it to short out and eventually die. It's not good to let the fob get wet however, but don't give it up when you accidentally drop it in the water or don't take it out of your pants pocket.

Remove the battery first. Clean the electronic chip using isopropyl ethanol or a similar product and then dry it completely before replacing the battery. Test the fob next to determine if it's functioning. If the key doesn't function, it may need to be changed. This is typically done by a dealer or professional auto locksmith.

If your key is older and has not been programmed to work with your vehicle then you'll need to replace it completely. A professional locksmith in the automotive industry can do this job. The locksmith will need to cut the key to match the ignition in your vehicle. They'll also need to reprogram the fob for the system of your car. This is a fast and inexpensive process that is usually completed in the same day.

Receiver Module Issues

Your 500 key fob might stop working because it is out of range. The remote usually has an area of 30 feet or less and if it's far from your vehicle, it will not respond to your commands. It can be solved by moving closer to your vehicle until it starts responding.

If your fob does not work after you replace the battery for the coin, also known as a "button", "watch" or "button" It may be due to a malfunction on the internal circuit board. In most cases, reprogramming the fob will fix the issue. You can find the instructions on how to get a new fiat 500 key to do this for all automobiles by searching YouTube or checking out the owner's manual.

You may have to replace the metal retaining clips that keep the coin battery. If they lose tension it can prevent the battery from being seated properly and can result in the malfunction of your remote.

In rare cases, the fob may become desync'd with your vehicle because of software or hardware issues. This can be a major headache, but you can often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob. In some cases it may be necessary to install the software again in your body control module as well.

Interference

Interference can also cause the key fob to be unable to receive or transmit signals. This could occur if the keyfob is located in close proximity to a radio transmitter, such as a cell phone or radar detector. The key fob might not function because of a weak connection with the buttons water damage or damage to the internal chips.

If your key fob suddenly stopped working, or if you have tried everything at home to fix it (e.g. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming it, or using an alternative key fob. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

There is a simple way to reset the 500's on-board system including the keyfob. Disconnect the 12 volt battery for approximately 15 minutes by removing the negative cable and How To Get A New Fiat 500 Key then the positive cable. Reconnect the battery. This will remove any remaining electricity and restart the car's computers. This can help you the key fob to function again. If the problem persists you should speak with an expert technician. They will be able to determine the exact cause of any issues.