Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 is a great way to unlock the doors and get started the car. However, there are a variety of reasons why the key fob might stop working. This could be due to a dead coin-battery or 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 doesn't work is the battery is dead. Key fobs of today have an operating range that is limited and must be within a few inches of your vehicle to function. If you are far from your vehicle, and you press the key fob button, the car will not respond, and will display a "Key Fob Not Detected" message in the instrument cluster.
If this occurs then replace the battery for your coin-cell (Part Number CR2032) with a new battery of a reliable brand, like Panasonic Duracell or Energizer. You can typically find them at your local hardware store or online.
You 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 work the lock and unlock buttons.
If your key fob still isn't working after replacing the battery, there could be water damage that prevents it from communicating with the module in your vehicle. Water damage can occur in many ways, such as the simple splash or submerging the key fob into saltwater at the beach. If you suspect your fob was exposed to water, put it in a dry rice bag to pull the moisture out. If this fails, you'll need to have your fob reset by an auto locksmith or a dealer.
Water Damage
While the fob has some rubber seals that keep water from the chip's electronic circuit, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually cease to function. The fob getting wet is not an ideal choice but if you drop it in an empty cup of water, or do not remember to take it out of your pants pocket prior to running the washing machine do not give up hope.
Take the battery off first. Clean the electronic chip with isopropyl or a similar product and then dry it thoroughly before replacing the battery. Check the fob to check if it's working. If the key doesn't function, it may have to be changed. This is usually done 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. A professional locksmith for cars will be able to complete this process. The locksmith will need the key to be cut to match your car's ignition. The locksmith will also have to reprogram the fob into the car's system. This is an affordable and quick procedure that can be completed within the same day.
Receiver Module Issues
One of the most common reasons your 500 key fob won't be functioning is that it's out of range. fiat panda key fob replacement has a maximum range of 30 feet. Therefore, should you be too far away from your vehicle, it won't respond to your commands. It is possible to solve this issue by moving the remote closer to your vehicle until it responds.
If your fob doesn't work after you replace the battery in the coin, also known as a "button", "watch" or "button" it could be due to an issue with the circuit board inside. In the majority of cases, reprogramming your fob can resolve the issue. There are instructions on how to do this for the majority of vehicles by searching YouTube or consulting the owner's manual.
It may be necessary to replace the metal clips that hold the coin batteries in their place. If they lose tension, it could hinder the battery from being seated properly, and this will cause your remote to malfunction.
In rare instances, the fob can become out of the vehicle's sync 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 certain situations, they may need to reinstall the software on your body control module as well.
Interference
In addition to a dead battery on a coin the key fob could not be able to receive or transmit a signal due to interference. This could occur if the key fob 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 weak connection to the buttons or the internal chip, or water damage.
If your key fob suddenly stopped working, or if you have tried everything at home to resolve it (e.g. You could have a malfunctioning 500 receiver module if you've tried replacing the battery, reprogramming it, or using a spare key fob. The receiver module, which is located under the dashboard, receives radio frequency signals from your key fob. It converts the signals into electronic commands that are then read by the vehicle.
There is a simple way to reset the 500's on-board system, including the keyfob. Disconnect the battery 12 volt for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will erase any remaining electrical charge, and then restart the computer in your car. This can help get your key fob to function again. If the issue persists it is recommended that you consult an expert technician. They will be able to determine the exact cause of your issue.