Reasons Your Fiat 500 Key Fob Won't Work
A key fob for Fiat 500 makes it simple to open doors and start your car. There are many reasons why the fob won't work. 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 - like the Ilco brand that must be professionally programmed by a local locksmith (click here for Locksmith Search). Includes lock, unlock, and trunk buttons.
Dead Coin Battery
A dead battery is probably the most common cause of your 500 key fob not functioning. Modern key fobs come with a restricted operating range, and should be within only a few feet from the car to operate. If you're not close to your vehicle when 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 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. You can usually find them at your local hardware store or online.
You can test the battery on your coin-cell by pressing the buttons while standing near your Fiat 500. The car will blink its parking lights and the key fob should be able to operate the lock and unlock switches.
If your key fob still isn't working after replacing the battery, it could be water damage that is preventing it from interacting with the module in your vehicle. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to draw the moisture out. If this doesn't work, your fob will probably require reprogramming by an experienced auto locksmith or the dealer.
Water Damage
Water damage can occur when you immerse the fob into the ocean or wash it in a washer. Saltwater can be particularly harmful to the fob's circuit board and can cause it to short out and eventually die. It's not a good idea to let the fob get wet however, don't give it up even if you accidentally drop the fob in water, or fail to remove it from your pants pocket.
First, remove fiat key fob replacement . Clean the electronic chip with isopropyl alcohol or a similar product and dry it thoroughly before replacing the battery. Test the fob next to see if it is working. If the fob doesn't work, it might need to be programmed again. This is usually done by a dealer or professional auto locksmith.
If your key is old and has not been programmed for your car it is necessary to replace it completely. A professional locksmith for automotive can do this job. The locksmith must cut the key to match the ignition of your car. They'll also need to reprogram the fob to your vehicle's system. This is a low-cost and quick procedure that can be completed the same day.
Receiver Module Issues
The 500 key fob could not work because it's out of range. The remote usually has an operating range of 30 feet or less, and if it's too far from your vehicle, it won't respond to your commands. You can easily remedy this by moving your remote closer to your vehicle until it responds.
If you've replaced your coin battery (commonly called a "button" or "watch") and your fob doesn't function It could be because of an internal circuit board problem. In most cases, reprogramming the fob will solve the problem. You can find the instructions for most vehicles on YouTube or in the owner's guide.
You may have to replace the metal clips that hold the battery of your coin in place. If they lose tension, it can stop your coin battery from being properly seated and cause your remote to malfunction.
In rare cases the fob could be out of connection with your vehicle as a result of software or hardware problems. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations, they may need to install the software again in your body control module, as well.
Interference
In addition to a dead coin battery the key fob could not be able to receive or transmit signals due to interference. This can happen when the key fob is near radio transmitters (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob might not function due to a bad connection to the buttons water damage or damage to the internal chips.
If the key fob failed to work one day in the middle of the night, or after trying everything you can do at home to fix 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, which is located beneath the dashboard, receives radio frequency signals from your key fob. It transforms the signals into electronic commands which are then read by the vehicle.
There's a simple method to reset the 500's onboard system including the keyfob. Disconnect the battery of 12 volts for about 15 minutes, by removing the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electric current, and also restart the computer in your car. This could help you get your key fob to function again. If the issue continues, you should seek the advice of an expert technician. They will be able to identify the exact cause of any problems.