Reasons Your fiat 500 key fob reset 500 Key Fob Won't Work

A key fob for the fiat keys 500 is a great way to unlock the doors and start the car. There are many reasons why the key fob might stop working. It could be due to a dead battery, damage to the receiver module, water issues, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to search for local locksmiths in the automotive industry). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most common reason your 500 key fob won't work is an inactive battery. Key fobs of today have limited operating range and must be within just a few inches of the vehicle in order to function. If you are far from your vehicle, and you press the key fob button, the car won't respond, and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. They are available at 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 key 500 and pressing the buttons. The parking lights will flash and the key fob should operate the lock and unlock switches.

If the fob's key doesn't work after replacing the battery, it could be damaged by water that blocks it from communicating with the receiver module in your car. Water damage can occur in many ways, including a simple splash or submerging your key fob in 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 draw the moisture out. If this does not work, you'll have to get your fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

The fob does have rubber seals that keep water out of the chip's electronic circuit it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually end up dying. If you get the fob wet, it's not an option however, if you drop it in a cup of water or forget to take it out of your pocket before you run the washer, don't give up hope.

Take the battery off first. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Next, test the fob to verify if it is working. If the key still doesn't work, it may have to be changed. This is typically handled by a professional or dealer auto locksmith.

If your key is older and not programmed to work with your vehicle, you will need to replace it completely. A professional locksmith for cars will be able to complete this process. The locksmith will require the key cut to match the car's ignition. They'll also need to program the fob into the car's system. This is a quick and affordable process which can be completed in the same day.

Receiver Module Issues

The 500 key fob you have may not work because it's out of range. The remote's range is of 30 feet. So if you are too far from your vehicle it will not respond to your commands. This can be easily fixed by moving it closer to your vehicle until it begins responding.

If your fob isn't working after replacing the coin battery, also known as a "button", "watch" or "button" it could be a problem with the circuit board inside. In most cases, reprogramming the fob can resolve the problem. You can find instructions on how to do this for the majority of vehicles by searching YouTube or reading the owner's manual.

It is sometimes necessary to replace the clips made of metal that hold the coin batteries in their place. If they loose tension they could stop the coin battery from being seated properly, and this will result in the malfunction of your remote.

In rare cases the fob can become out of connection with your vehicle as a result of software or hardware problems. This can cause a major issue, but you are able to usually fix it by visiting an auto locksmith to reprogram your fob for you. In some cases, the software may also require reinstallation into your body control modules.

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 another source of electromagnetic radiation. The key fob could not function due to a bad connection to the buttons or water damage, or damage to the internal chips.

If the key fob has been unable to function for a while out of the blue and you've tried every option at home to solve it e.g. You may have a faulty 500 receiver module If you've tried replacing it with a battery, reprogramming, and using a spare key fob. The receiver module, which is located beneath the dashboard, is able to pick up radio frequency signals from your key fiat fob. It converts them to 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 12 volt for about 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computers, which can help you get your key fob working again. If the issue continues, you should consult an expert technician. They can identify the root cause of any problems.