Reasons Your fiat replacement key 500 Key Fob Won’t Work
A key fob for Fiat 500 makes it easy to open doors and start your car. There are a myriad of reasons why the fob won’t be functioning. This includes a dead battery or water damage, receiver modules issues, and interference.
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Dead Coin Battery
A dead battery is the main reason for your 500 key fob being inoperative. Modern key fobs have a limited operating range, and must be within just a few feet of the car key cover fiat 500 to operate. If you are further away from your vehicle and push the keyfob button it won’t respond and display the message “Key Fob Not Detected”.
If this happens, simply replace the coin cell battery (Part number CR2032) with a fresh one from a reputable brand like Panasonic, Duracell, or Energizer. You can find them at your local hardware store, or online.
You can test the battery of your coin-cell by pressing the buttons while standing near your fiat 500 remote key 500. The parking lights will flash and the key fob will operate the lock and unlock switches.
If the key fob won’t work after replacing the battery, it could be damaged by water, which prevents it from connecting to the receiver module in your vehicle. Water damage can happen 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, you can try placing it in a dry rice bag to pull the moisture back out. If this isn’t working, you’ll need to have your fob reprogrammed either by an auto locksmith or dealer.
Water Damage
While the fob has some rubber seals to keep water out of the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the circuit board of the fob that can cause it to short out and eventually end up dying. The fob getting wet is not an ideal idea however, if you drop it into a glass of water or forget to remove it from your pocket before you run the washer do not give up hope.
First, remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or another similar product. Test the fob next to verify if it’s functioning. If the key isn’t working, it may have to be reset. This is typically handled by a dealer or professional auto locksmith.
If the key is a newer model and has never been programmed to your vehicle It is likely that it needs to be replaced completely. A professional locksmith for automotive will be able to complete this process. The locksmith will need to cut the key to match the ignition on your vehicle. The locksmith will also have to reprogram your fob into the car’s system. This is a simple and inexpensive process that can usually be completed the same day.
Receiver Module Issues
One of the simplest reasons why your 500 key fob could stop working is that it’s simply out of range. The remote has a maximum range of 30 feet, which means if you are too far away from your vehicle it won’t be able to respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.
If you’ve replaced your coin battery (commonly known as a “button” or “watch”) and your fob doesn’t function, it could have an internal circuit board issue. Reprogramming your fob can resolve the issue. There are instructions on how to unlock fiat 500 boot without key to do this on the majority of automobiles by searching YouTube or looking through the owner’s manual.
It is possible to replace the clips made of metal that hold the coin batteries in the correct position. If they lose tension, it can prevent the coin battery from being properly seated, and this will result in the malfunction of your remote.
In rare instances, the fob may be out of connection with your vehicle as a result of hardware or software problems. This can cause a major trouble, but you could frequently fix this issue by visiting an auto locksmith to have them reprogram your fob. In certain situations they may have to reinstall the program in your body control module, as well.
Interference
Interference can also cause the key fob not to receive or transmit signals. This could happen if the key fob is in proximity to radio transmitters (cell phones, radar detectors) or any other source of electromagnetic radiation. The key fob could not function because of a weak connection to the buttons water damage or damage to the internal chips.
If the key fob been unable to function for a while suddenly or after trying every option at home to resolve it e.g. battery replacement, reprogramming and using the spare key fob, you could have a damaged receiver module on your 500. The receiver module, which is located under the dashboard, is able to pick up radio frequency signals from your key fob. It converts the signals into electronic commands that are then read by the vehicle.
Fortunately, there’s an easy way to reset all on-board systems in your 500, including the key fob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable first then the positive cable. Reconnect the battery. This will clear out any residual electricity and restart the car’s computers. This can help you the key fob to function again. If the issue continues, you should speak with an expert technician. They’ll be able determine the exact cause of your problems.