Reasons Your Fiat 500 Key Fob Won't Work
A key fob with the fiat 500 number is a great way to unlock the doors and get started the car. There are many reasons why the key fob might stop working. This could be due to a dead coin-battery, water damage, receiver modules issues, and interference.
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Dead Coin Battery
A dead battery is the most frequent cause of your 500 key fob not functioning. Modern key fobs have limited operating range and must be within just a few inches of the vehicle to function. If you are further away from your vehicle, and you press the keyfob button it will not respond, and display the message "Key Fob Not Detected".
If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) by a brand new one of a trusted brand like Panasonic Duracell or Energizer. They can be found in your local hardware store, or on the internet.
You can test the battery of your coin-cell 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 be able to operate the lock and unlock buttons.
If your key fob still does not work after replacing the battery, it may be water damage which is preventing it from connecting to the module inside your vehicle. Water damage can occur in a number of ways, ranging from a light splash to submerging your fob in salt water at the beach. If you suspect that your fob has been exposed to water, try placing it in a dry rice bag to pull the moisture out. If this does not work, you'll need to have your fob replaced by an auto locksmith or a dealer.
Water Damage
Although the fob is equipped with rubber seals that keep water from the electronic chip inside, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater is especially 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 option but if you drop it into a glass of water or fail to remove it from your pants pocket prior to running 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 similar products. Test the fob afterward to check if it's working. If the key does not function, it may need to be programmed again. This is typically done by a dealer or professional auto locksmith.
If your key is old and is not programmed for your vehicle then you'll need to replace it completely. A professional locksmith in the automotive industry can carry out this simple task. The locksmith will require the key to be cut to match the car's ignition. The locksmith will also have to reprogram your fob in the car's system. This is a simple and cost-effective procedure that can usually be completed within the next day.
Receiver Module Issues
The 500 key fob could be inoperable because it's out of range. The remote has a range of 30 feet, so should you be too far away from your vehicle, it won't respond to your commands. You can remedy this by moving your remote closer to your car until it responds.
If your fob isn't working after you replace the battery for the coin, also called a "button", "watch" or "button" or "button", it could be due to a problem with the internal circuit board. Reprogramming the fob typically resolves this issue. You can find the procedure for most vehicles on YouTube or in the owner's guide.
It is possible to replace the metal clips that keep the battery of your coin in place. If they lose tension it can prevent your coin battery from being properly seated and cause 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 problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases it may be necessary to reinstall the program in your body control module, too.
Interference
Interference can also cause the key fob not to receive or transmit signals. This could happen when the key fob is in close proximity to a radio transmitter like a cellphone or radar detector. The key fob could not work due to a poor connection to the buttons, water damage or damage to the internal chips.
If the key fob has suddenly stopped working, in the middle of the night or after trying everything you can at home to resolve it e.g. It could be a defective 500 receiver module If you've tried replacing it with a battery, reprogramming, and using an alternative key fob. The receiver module, located under the dashboard, receives radio frequency signals from your key fob. It transforms the signals into electronic commands that are then read by the vehicle.
Fortunately, there's an easy method to reset all on-board systems in your 500 and include the key fob. Disconnect the battery of 12 volts for approximately 15 minutes by removing the negative cable and then the positive cable. Then reconnect the battery. This will remove any remaining electricity, and allow you to restart the computer of your car. This can help get your key fob working again. If the issue persists you should speak with a certified technician. They'll be able to determine the root of your problems.