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Reasons Your Fiat 500 Key Fob Won't Work
A fiat 500 key fob is a handy way to unlock the doors and get started the car. There are a myriad of reasons why the fob may stop functioning. This includes a dead battery and water damage, as well as problems with receiver modules, as well as interference.
This listing is for an NEW replacement Fiat Flip Key Remote - like the Ilco brand that needs to be programmed professionally by a local locksmith (click here for Locksmith Search). It comes with trunk, lock and unlock buttons.
Dead Coin Battery
The most frequent reason that your 500 key fob won't function is the battery is dead. Key fobs of today have a limited range of operation and must be within a few inches of the vehicle to function. If you're far from your vehicle and you push the keyfob button it will not respond, and display the message "Key Fob Not Detected".
If special info happens, simply replace the battery in the coin cell (Part number CR2032) with a new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. You can find them in your local hardware store or online.
You can test the battery of your coin-cell by pressing the buttons while you're standing close to your Fiat 500. The parking lights will flash and the key fob will operate the lock and unlock switch.
If the key fob doesn't work after replacing the battery, it could have water damage that stops it from communicating with the receiver module inside your car. Water damage can happen in a variety of ways, ranging from small splashes to submerging the fob in salt water at the beach. If you suspect that your fob was exposed to water, try putting it in a dry rice bag to draw the moisture out. If this fails, you'll need to have your fob reset by an auto locksmith or a dealer.
Water Damage
Water damage can happen if you immerse the fob in the ocean, or wash it in a machine. Saltwater can cause the circuit board to short, and eventually die. The fob getting wet is not an ideal idea however, if you drop it into the water in a cup or fail to take it out of your pocket before you run the washing machine, don't give up hope.
First, remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or another similar product. Test the fob next to see if it is working. If the key does not work, it may need to be programmed again. This is usually done by a dealer or professional auto locksmith.
If the key is newer and hasn't been programmed to your car, it will likely need to be replaced completely. This is a simple process that can be carried out by a professional automotive locksmith. The locksmith will need to cut the key to match the ignition in your vehicle. They'll also have to reprogram the fob to the car's system. This is an affordable and quick process that could be completed within the same day.
Receiver Module Issues
One of the most common reasons your 500 key fob won't be working is that it's simply out of range. The remote's range is of 30 feet, which means should you be too far from your vehicle it won't be able to respond to your commands. This can easily be resolved by moving it closer to your vehicle until it begins responding.
If your fob does not work after you replace the battery for the coin, also called a "button", "watch" or "button" or "button", it could be due to an issue with the internal circuit board. Reprogramming the fob is usually the solution to this issue. You can find the procedure for most vehicles on YouTube or in the owner's manual.
It is possible to replace the metal retaining clips that keep the coin battery. If they become loose, it can stop your coin battery from being properly seated and cause your remote to malfunction.
In rare instances the fob could be desync'd with your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations they might need to reinstall the software in your body control module as well.
Interference
In addition to a dead battery on a coin The key fob may not be able to receive or transmit signals due to interference. This can occur when the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. The key fob might not function due to a poor connection with the buttons or water damage, or damage to the internal chips.
If the key fob suddenly stopped working, suddenly and you've tried everything you can do at home to resolve it e.g. replacing the battery, reprogramming it 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 converts the signals into electronic commands that are then processed by the vehicle.
There's a quick and easy way to reset the 500's in-board system, including the keyfob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Then, reconnect the battery. This will remove any remaining electricity and then restart the car's computers. This can help the key fob to function again. If the issue persists, you should consult an expert technician. They'll be able to diagnose the exact cause of your problems.