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Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 makes it simple to open doors and start your vehicle. There are a myriad of reasons the key fob might stop working. These include a dead coin battery, water damage, receiver module issues, and interference.
This listing is for an NEW replacement Fiat Flip Key Remote - like the Ilco brand that must be professionally programmed by a local locksmith (click here to search for a Locksmith Search). It includes lock, unlock, and trunk buttons.
Dead Coin Battery
A dead battery is the main cause of your 500 key fob not working. Key fobs of today have limited operating range and must be within just a few inches of the vehicle to work. If you are further away from your car and hit the keyfob, it won't respond and display the message "Key Fob Not Detected".
If this happens, simply replace the battery of your coin cell (Part number CR2032) with a fresh 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 in the coin-cell by pressing the buttons while you're standing close to your Fiat 500. The car will blink its parking lights, and the key fob will operate the lock and unlock switches.
If the key fob won't function after replacing the battery, it could have water damage that stops it from communicating with the receiver module inside your vehicle. Water damage can occur through a variety of methods, including simply splashing or submerging the key fob in saltwater at the beach. If you believe your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If this does not work, you'll require your fob to be reset by an auto locksmith or dealer.
Water Damage
While the fob has some rubber seals that keep water out of the electronic chip inside, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to become shorted and eventually cease to function. It's not a good idea to let the fob get wet however, but don't give it up if you accidentally drop it in water, or fail to take it out of your pants pocket.
First, remove the battery from the fob. Clean the electronic chip with isopropyl alcohol or a similar product and dry it thoroughly before replacing the battery. Then test the fob to test if it works. If the key does not work, it may need to be programmed again. This is usually handled by a dealer or professional auto locksmith.
If the key you have is older and is not programmed to work with your vehicle then you'll need to replace it completely. This is an easy process that can be carried out by a professional locksmith for automotive use. The locksmith will require the key cut to match the car's ignition. They will also need to reprogram the fob in your car's system. This is a quick and cost-effective procedure which can be completed the same day.
fiat 500 key fob replacement of the simplest reasons your 500 key fob won't be working is because it's out of range. The remote usually has an operating range of 30 feet or less, and if it's too far away from your car it will not respond to your commands. It is possible to solve this problem by moving the remote closer to your vehicle until it responds.
If your fob isn't working after replacing the battery in the coin, also called a "button", "watch" or "button" it could be due to a problem with the internal circuit board. In most cases, reprogramming the fob will fix the problem. You can find the instructions for most vehicles on YouTube or in the owner's manual.
It may be necessary to replace the clips made of metal that hold the coin batteries in their place. If they lose tension it may prevent your battery from being properly seated and cause your remote to malfunction.
In rare cases the fob could be desync'd with your vehicle due to software problems or hardware issues. This can cause a major issue, but you are able to often fix this by visiting an auto locksmith to have them reprogram your fob for you. In some cases, they may need to reinstall the program in your body control module, as well.
Interference
Interference can also cause the key fob to be unable to receive or transmit an signal. This is possible when the key fob is near an electronic radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob might not function may be a lack of connection to the buttons or the internal chip or water damage.
If the key fob has suddenly stopped working, without notice or even after trying every option at home to solve it e.g. It could be a defective 500 receiver module after you've tried replacing the battery, reprogramming, or using a spare key fob. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.
There's a simple method to reset the 500's onboard 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 erase any remaining electricity, and allow you to restart the computer of your car. This can help you get your key fob working again. If the problem persists, you should consult an expert certified technician. They'll be able diagnose the exact cause of your problems.