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Reasons Your Fiat 500 Key Fob Won't Work
A key fob for the Fiat 500 makes it easy to open doors and start your car. However, there are a variety of reasons the fob could stop working. This includes a dead battery, water damage, problems with the receiver modules, and interference.
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Dead Coin Battery
The most frequent reason that your 500 key fob won't work is an inactive battery. Modern key fobs have a very limited operating range, and should be within some feet of the vehicle to function. If you're far from your car and press 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 new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available at your local hardware store or online.
Article can test the coin-cell battery by pressing the buttons while you are standing close to your Fiat 500. The car should flash its parking lights and the key fob should operate the lock and unlock switches.
If the fob's remote doesn't work after replacing the battery, it might have water damage that stops it from connecting to the receiver module inside your vehicle. Water damage can occur in a variety of ways, from the slightest splash to submerging the fob into salt water at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to draw the moisture out. If this doesn't work the fob might require reprogramming by an experienced auto locksmith or dealer.
Water Damage
Water damage can occur when you immerse the fob in the ocean, or wash it in a machine. Saltwater can cause the circuit board to become shorted and eventually cease to function. In the event that you let your fob get wet, it's not a good idea but if you drop it in a cup of water or do not remember to take it out of your pocket before you run the washer do not give up hope.
Take the battery off first. Before replacing the battery clean the electronic chip with isopropyl or another similar product. Test the fob next to determine if it's working. If the key still doesn't work, it may have to be reset. This is typically handled by a professional or dealer auto locksmith.
If the key is a newer model and has never been programmed to your car It is likely that it needs to be replaced completely. A professional locksmith in the automotive industry can carry out this simple task. The locksmith will need the key to be cut to match the car's ignition. They'll also have to program the fob into the system of your car. This is an affordable and quick process that can be completed the same day.
Receiver Module Issues
One of the main reasons why your 500 key fob may stop functioning is that it's out of range. The remote typically has an area of 30 feet or less and if it's far away from your car it won't respond to your commands. This can easily be resolved by moving it closer to your vehicle until it begins responding.
If your fob doesn't work after you replace the battery in the coin, also called a "button", "watch" or "button" or "button", it could be a problem with the internal circuit board. In the majority of cases, reprogramming your fob will resolve this problem. You can find directions on how to do this for most automobiles by searching YouTube or checking out the owner's manual.
It's possible that you need to replace the metal retaining clips that hold the coin battery. If they lose tension, they could stop the battery from being seated properly, and this will result in the malfunction of your remote.
In rare instances, the fob might be out of alignment with your vehicle because of hardware or software problems. It is possible to fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases the software might need to be reinstalled in your body control modules.
Interference
In addition to a dead coin battery The key fob may not be able to receive or transmit an signal due to interference. This can occur when the keyfob is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons why the key fob might not function include a poor connection to the buttons or damage to the internal chip, or water damage.
If your key fob suddenly stopped working, or if you've tried everything at home to resolve it (e.g. You might have a damaged 500 receiver module if you've tried replacing the battery, reprogramming or using a spare key fob. The receiver module, located beneath the dashboard, receives radio frequency signals from your key fob. It then converts them into electronic commands that the vehicle interprets.
Luckily, there is an easy way to reset every single system on board in your 500 device, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will remove any remaining electricity and restart the car's computer system, which could help the key fob to function again. If the problem persists, you should consult an expert certified technician. They can identify the exact cause of any problems.