Reasons Your Fiat 500 Key Fob Won’t Work
A key fob from fiat punto locked keys In car 500 is a great way to unlock the doors and get started the car. However, there are a variety of reasons why the fob may stop working. This could be due to a dead battery and water damage, as well as problems with receiver modules, as well as interference.
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Dead Coin Battery
The most frequent reason why your 500 key fob will not function is a dead battery. Modern key fobs operate with a restricted operating range, and should be within some feet of the vehicle to function. If you are far from your car and hit the keyfob, it won’t respond and fiat punto locked keys in car display the message “Key Fob Not Detected”.
If this happens, replace the battery in the coin cell (Part number CR2032) with a fresh one from a reputable brand such as Panasonic, Duracell, or Energizer. You can typically find them in your local hardware store or online.
After you’ve changed the battery on the coin cell you can test it by standing in front of your Fiat 500 and pressing the buttons. The car will flash its parking lights, and the key fob should operate the lock and unlock buttons.
If the fob’s remote doesn’t function after replacing the battery, it could be damaged by water that blocks it from communicating with the receiver module inside your car. Water damage can happen in a number of ways, ranging from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, you can place it in a rice bag to draw out the moisture. If that doesn’t work the fob might need to be reprogrammed by an experienced auto locksmith or dealer.
Water Damage
Water damage can happen if you immerse the fob in the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to short, and eventually fail. It’s not the best idea to get the fob wet however, but don’t give it up if you accidentally drop it in water or forget to remove it from your pants pocket.
First, remove the battery from the fob. Before replacing the battery, clean the electronic chip using isopropyl or similar products. Next try the fob and check if it functions. If the fob doesn’t work, it might need to be reset. This is usually done by a professional or dealer auto locksmith.
If the key is more recent and has never been programmed to your vehicle It is likely that it needs to be replaced completely. This is a straightforward process that can be completed by a professional automotive locksmith. The locksmith must cut the key to match the ignition in your vehicle. They will also need to reprogram the fob to the system of your car. This is a cheap and quick procedure that can be completed within the same day.
Receiver Module Issues
One of the main reasons why your 500 key fob could stop functioning is because it’s out of range. The remote usually has a range of 30 feet or less, and if it’s too far from your car, it won’t respond to your commands. You can fix this by moving the remote closer to your vehicle until it responds.
If your fob isn’t working 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 internal circuit board. In the majority of cases, reprogramming your fob will solve the problem. You can find the instructions for most vehicles on YouTube or in the owner’s guide.
It’s possible that you need to replace the metal clips that keep the coin battery in place. If they loose tension, it could prevent your coin battery from sitting properly and cause your remote to malfunction.
In rare cases the fob might become desync’d with your vehicle due to software issues or hardware issues. This can cause a major headache, but you can usually resolve this issue by visiting an auto locksmith to reprogram your fob. In some instances the software might require reinstallation to your body control modules.
Interference
Interference can also cause the key fob not to receive or transmit a signal. This could occur if the keyfob is located in close proximity to a radio transmitter like a cell phone or radar detector. The key fob may not function due to a poor connection to the buttons water damage or damage to the internal chips.
If your key fob suddenly stopped working, or you have tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, you could have a damaged receiver module on your 500. The receiver module, located beneath the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated 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 for 15 minutes, removing first the negative cable, then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity, and allow you to restart the computer of your car. This will help you get your key fob working again. If the problem persists you should consult an expert technician. They will be able diagnose the exact cause of issues.