Reasons Your
fiat key fobs 500 Key Fob Won't Work
A key fob with the fiat 500 number is a convenient method to unlock the doors and start the car. There are a myriad of reasons why the fob may stop functioning. It could be due to a dead battery water damage, receiver module issues, and interfering.
This listing is for an NEW replacement
fiat 500 car key Flip Key Remote that looks like the Ilco brand. It has to be professionally programmed (click here to search for local locksmiths for automotive locksmiths). This remote includes lock, unlock and trunk buttons.
Dead Coin Battery
A dead battery is the most common reason for your 500 key fob being inoperative. Modern key fobs have a very limited operating range and should be within a few feet 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 be able to respond, and will display an "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 brand
Key fiat 500 new one of a reputable brand such as Panasonic Duracell or Energizer. They are typically available in your local hardware store, or online.
You can test the coin-cell battery by pressing the buttons while you are standing close to your Fiat 500. The parking lights should light up and the
key Fiat 500 fob should operate the lock and unlock switch.
If your key fob isn't working after replacing the battery, there may be water damage which is preventing it from connecting to the module in your vehicle. Water damage can occur through a variety of methods, including a simple splash or submerging the key fob into saltwater at the beach. If you suspect that your fob has been exposed to water, try placing it in a dry rice bag to draw the moisture back out. If that doesn't work your fob will probably need to be reset by an experienced auto locksmith or dealer.
Water Damage
Although the fob is equipped with rubber seals that keep water from the chip's electronic circuit the device, submerging it into the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and eventually die. Getting the fob wet is not a good idea however, if you drop it into the water in a cup or don't remember to remove it from your pocket before you run the washer Don't give up hope.
First, remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl or similar products. Next check the fob to test if it works. If the key doesn't work, it may need to be reset. This is typically handled by a professional or dealer auto locksmith.
If your key is older and has not been programmed for your vehicle then you'll need to replace it completely. This is a simple process that can be carried out by a professional locksmith for automotive use. The locksmith must cut the key to match the ignition of your vehicle. They'll also need to reprogram the fob to the car's system. This is a quick and affordable process that is usually completed within the same day.
Receiver Module Issues
One of the most common reasons your 500 key fob could stop functioning is because it's out of range. The remote usually has 30 feet of range or less and if it's far from your car, it won't respond to your commands. You can solve this problem by moving the remote closer to your vehicle until it responds.
If you've replaced the battery on your coin (commonly called"button" or "button" or "watch") and your fob still won't work it could be due to an internal circuit board problem. Reprogramming your fob can resolve this problem. You can find instructions on how to do this for the majority of automobiles by searching YouTube or reading the owner's manual.
You may have to replace the metal clips that keep the coin battery in place. If they loose tension it could hinder the battery from being properly seated and can cause your remote to malfunction.
In rare instances, the fob can become out of alignment with your vehicle because of software or hardware problems. This can be a major trouble, but you could often fix this by visiting a local dealer or auto locksmith to reprogram your fob for you. In some cases they might need to install the software again in your body control module, too.
Interference
Interference can also cause the key fob to not receive or transmit an signal. This is possible when the key fob is located near radio transmitters (cell phones, radar detectors) or any other 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 have tried everything at home to resolve it (e.g. replacing the battery, reprogramming, and using the spare key fob, you may have a faulty receiver module on your 500. The receiver module is situated under the dash and receives the radio frequency signals from the key fob. It converts them to electronic commands that the vehicle interprets.
There's a simple method to reset the 500's in-board system, including the keyfob. Disconnect the 12 volt battery 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 restart the car's computers, which could help the key fob to function again. If the issue persists, you should consult an expert technician. They will be able diagnose the root cause of any problems.
