Reasons Your Fiat 500 Key Fob Won't Work
A key fob for Fiat 500 allows you to easily open doors and start your car. However, there are numerous reasons why the fob won't be functioning. It could be due to a dead battery or damage to the receiver module, water issues, and interference.
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Dead Coin Battery
A dead battery is probably the most common reason for your 500 key fob that isn't working. G28 Car Keys have an operating range that is limited and must be within only a few inches from the vehicle in order to function. If you're far away from your vehicle and 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, replace the coin-cell battery (Part Number CR2032) by a fresh one of a reputable brand such as Panasonic Duracell or Energizer. They can be found in your local hardware store or on the internet.
After you've changed the battery on the coin cell It is possible to test it by standing close to your Fiat 500 and pressing the buttons. The parking lights will flash and the key fob will operate the lock and unlock switches.
If the key fob won't function after replacing the battery, it might have water damage that prevents it from connecting to the receiver module in your vehicle. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob in saltwater at the beach. If you suspect your fob was exposed to water, you can try placing it in a dry rice bag to draw the moisture back out. If this does not work, you'll need to have your fob reset by an auto locksmith or dealer.
Water Damage
Water damage can occur when you immerse the fob into the ocean, or wash it in a machine. Saltwater can cause the circuit board to short and eventually end up dying. It's not the best idea to submerge the fob in water, but don't give it up in the event that you accidentally drop it in water or forget to remove it from your pocket.
Take the battery off first. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Next try the fob and test if it works. If the key still doesn't work, it may have to be changed. This is usually handled by an auto locksmith or dealer.
If the key is older and was not programmed to your car It is likely that it needs to be replaced completely. This is an easy process that can be completed by a professional automotive locksmith. The locksmith will need the key cut to match your vehicle's ignition. The locksmith will also need to reprogram your fob in the car's system. This is a cheap and quick process that could be completed within the same day.
Receiver Module Issues
One of the simplest reasons your 500 key fob may stop functioning is that it's out of range. The remote usually has a range of 30 feet or less, and if it's too far away from your car it won't respond to your commands. You can easily solve this problem by moving the remote closer to your vehicle until it responds.
If you've replaced the battery in your coin (commonly known as"button" or "button" or "watch") and your fob doesn't function It could be because of an internal circuit board issue. In the majority of cases, reprogramming your fob will solve the issue. The instructions are available for most vehicles on YouTube or in the owner's manual.
It's possible that you need to replace the metal clips that hold the coin battery. If they become loose, it may prevent your battery from being properly seated, causing your remote to malfunction.
In rare instances, the fob could be out of alignment with your vehicle because due to hardware or software issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances the software might require reinstallation into your body control modules.
Interference
In addition to a dead battery on a coin The key fob may not be able to receive or transmit an signal due to interference. This can happen when the key fob is near radio transmitters (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob could not function may be a lack of connection to the buttons and internal chip, or water damage.
If the key fob has suddenly stopped working, suddenly or even after trying every option at home to resolve it e.g. You may have a faulty 500 receiver module if you've tried replacing the battery, reprogramming it, or using an alternative key fob. The receiver module is located under the dash and picks up the radio frequency signals from the key fob. It converts the signals into electronic commands that are then processed by the vehicle.
There is a straightforward method to reset the 500's on-board system including the keyfob. Disconnect the battery 12 volt 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 will help you get your key fob to function again. If the problem persists you should speak with an expert technician. They will be able to determine the root of any problems.