Reasons Your Fiat 500 Key Fob Won't Work
A key fob for the Fiat 500 is a convenient way to unlock the doors and get started the car. However, there are a variety of reasons why the key fob might stop functioning. This could be due to a dead battery, water damage, 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 has to be professionally programmed (click here to find local locksmiths for automotive locksmiths). This remote includes trunk, lock and unlock buttons.
Dead Coin Battery
The most common reason your 500 key fob doesn't work is the battery is dead. Modern key fobs operate with a limited operating range and must be within some feet of the vehicle to operate. If you are far from your vehicle when you press the key fob button the car will not respond, and will display the "Key Fob Not Detected" message in the instrument cluster.
If this happens, replace the coin-cell battery (Part Number CR2032) with a new battery of a reliable brand, like Panasonic Duracell or Energizer. They can be found in your local hardware store, or on the internet.
After you've replaced the coin cell battery It is possible to test it by standing close to your Fiat 500 and pressing the buttons. The parking lights should blink and the key fob should operate the lock and unlock switch.
If your key fob still does not work after replacing the battery, there could be water damage that is preventing it from interacting with the module inside your vehicle. Water damage can happen in a variety of ways, such as simply splashing or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to draw the moisture back out. If this fails, you'll need to have your fob changed by an auto locksmith or dealer.
Water Damage
While the fob has some rubber seals that keep water from the electronic chip inside it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the circuit board of the fob and can cause it to short out and eventually die. 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 water, or fail to take it out of your pants pocket.
Take the battery off first. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Test the fob next to see if it is working. If the key isn't working, it may have to be reset. This is usually handled by an auto locksmith or dealer.
If the key is older and has not been programmed to your vehicle It will most likely need to be replaced completely. A professional locksmith for automotive will be able to complete this process. The locksmith needs to cut the key to match the ignition in your vehicle. The locksmith will also need to reprogram the fob into the car's system. It's a simple and affordable process that can usually be completed within the next day.
Receiver Module Issues
One of the simplest reasons why your 500 key fob might stop functioning is because it's out of range. The remote typically has an operating range of 30 feet or less and if it's far from your vehicle, it will not respond to your commands. You can solve this issue by moving the remote closer to your car until it responds.
If your fob doesn't work after you replace the battery in the coin, also called a "button", "watch" or "button" it could be a problem with the circuit board inside. In the majority of cases, reprogramming your fob will resolve this problem. You can find the instructions for most vehicles on YouTube or in the owner's manual.
It may be necessary to replace the metal clips that hold the coin batteries in the correct position. If fiat key replacement near me lose tension, it can stop your coin battery from being properly seated and cause your remote to malfunction.
In rare cases the fob can become out of the vehicle's sync because due to hardware or software issues. You can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances it is possible that the software will require reinstallation in your body control modules.
Interference
Interference can also cause the key fob not to receive or transmit an signal. This can happen when the key fob is close to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob might not function because of a weak connection to the buttons, water damage or damage to the internal chips.
If the key fob suddenly stopped working, without notice or after trying every option at home to solve it e.g. battery replacement, reprogramming and using the spare key fob, you may have a damaged receiver module on your 500. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It transforms the signals into electronic commands which are then read by the vehicle.
There is a straightforward method to reset the 500's in-board system, including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will remove any residual electricity and restart the car's computers. This could allow you to the key fob to function again. If the issue persists, you should consult an expert technician. They can diagnose the exact cause of your issues.