Reasons Your
fiat 500x key 500 remote key programming (
www.stes.Tyc.edu.tw) 500 Key Fob Won't Work
A key fob from Fiat 500 is a convenient method to open the doors and begin the car. There are a myriad of reasons the fob could stop working. These include a dead battery or damaged receiver module, water damage problems, and interference.
This listing is for a
new fiat 500 key replacement fiat key fob Fiat Flip Key Remote - an exact replica of the Ilco brand that needs to be professionally programmed by a local locksmith (click here for Locksmith Search). It comes with lock, unlock and trunk buttons.
Dead Coin Battery
The most frequent reason why your 500 key fob doesn't work is a dead battery. Modern key fobs only have limited operating range and must be within a few inches of the vehicle in order to function. If you are further away from your car and hit the keyfob, it will not respond and display the message "Key Fob Not Detected".
If this happens, replace the coin cell battery (Part number CR2032) by a new one from a trusted brand such as Panasonic, Duracell, or Energizer. You can typically find them in your local hardware store or online.
After you've replaced the coin cell battery you can test it by standing next to your
fiat ducato remote key programming 500 and pressing the buttons. The parking lights will flash and the key fob will operate the lock and unlock switch.
If your key fob isn't working after replacing the battery, there could be water damage that prevents it from connecting to the module in your vehicle. Water damage can occur in a number of ways, from the slightest splash to submerging your fob in salt water 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 this doesn't work, you will need to have the fob reset by an auto locksmith or a dealer.
Water Damage
Although the fob is equipped with rubber seals that keep water out of the electronic chip inside, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the fob's circuit board and can cause it to short out and eventually die. It's not the best idea to let the fob get wet, but don't give it up even if you accidentally drop the fob in water or forget to remove it from your pants pocket.
Take the battery off first. Before replacing the battery clean the electronic chip with isopropyl, or a similar product. Check the fob to verify if it's working. If the key doesn't function, it may need to be programmed again. This is usually done by an auto locksmith or dealer.
If the key is older and hasn't been programmed to your vehicle, it will likely need to be replaced completely. A professional locksmith for cars will be able to complete this process. The locksmith will have to cut the key to match the ignition on your vehicle. The locksmith will also need to reprogram the fob into the car's system. This is a fast and cost-effective process that can usually be completed in the next day.
Receiver Module Issues
One of the most common reasons why your 500 key fob might stop working is because it's out of range. The remote's range is of 30 feet. Therefore, should you be too far from your car, it won't respond to your commands. It is possible to solve this issue by moving the remote closer to your vehicle until it responds.
If you've replaced the coin battery (commonly called a "button" or "watch") and the fob isn't working It could be because of an internal circuit board problem. In most cases, reprogramming the fob will resolve this problem. The instructions are available for most vehicles on YouTube or in the owner's manual.
It is possible to replace the metal clips that hold the coin battery in place. If they lose tension, it may prevent your battery from sitting properly and cause your remote to malfunction.
In rare cases it is possible that the fob will become desync'd with your vehicle due to software or hardware issues. This can cause a major headache, but you can often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In certain situations they might need to reinstall the software on your body control module, as well.

Interference
In addition to a dead coin battery the key fob could not be receiving or transmitting a signal due to interference. This is possible when the key fob is near an electronic radio transmitter (cell phones and 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 solve the issue (e.g. You could have a malfunctioning 500 receiver module If you've tried replacing it with a battery, reprogramming, and using a spare key fob. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a quick and easy way 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 first then the positive cable. Reconnect the battery. This will get rid of any remaining electricity and then restart the car's computer system, which could allow you to the key fob to function again. If the issue continues you should seek out an expert technician. They'll be able to determine the exact cause of your issues.