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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat Panda Key Fob Replacement 500 key fob makes it simple to open doors and start your car. However, there are many reasons why the fob won't be working. These include a dead coin battery, damage to the receiver module, problems, and interference.

This listing is for a NEW replacement fiat punto locked keys in car Flip Key Remote that appears similar to the Ilco brand. It has to be professionally programmed (click here to find local automotive locksmiths). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob will not function is an inactive battery. Key fobs of today have only a limited range of operation and must be within a few inches of the vehicle in order to work. If you are far from your vehicle when you press the key fob button the car won't respond and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the battery in the coin cell (Part number CR2032) by a new one from a reputable brand such as Panasonic, Duracell, or Energizer. They are usually available at your local hardware store or online.

After you've replaced the coin cell battery, you can test it by standing near your Fiat 500 and pressing the buttons. The car should flash its parking lights and the key fob should be able to operate the lock and unlock switches.

If your key fob still doesn't work even after replacing the battery, it may be water damage that prevents it from connecting to the module inside your vehicle. Water damage can occur through a variety of methods, including simply splashing or submerging your key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, place it in a rice bag to draw out the moisture. If this doesn't work the fob might need to be reprogrammed by a professional auto locksmith or by the dealer.

Water Damage

Water damage can occur if you immerse the fob into the ocean or wash it in a machine. Saltwater can be particularly harmful to the fob's circuit board that can cause it to short out and eventually end up dying. It's not a good thing to soak the fob locked keys in car boot fiat punto water however, but don't give it up in the event that you accidentally drop it in water, or fail to take it out of your pants pocket.

First, remove the battery. Before replacing the battery, clean the electronic chip with isopropyl, or a similar product. Then try the fob and verify if it is working. If the key still doesn't work, it might need to be reset. This is usually handled by a dealer or professional auto locksmith.

If the key is newer and has never been programmed to your vehicle it is likely to need to be replaced completely. A professional automotive locksmith can complete this simple process. The locksmith will require the key to be cut to match the car's ignition. They will also need to reprogram the fob to the car's system. It's a simple and cost-effective procedure that can be completed on the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob could 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 from your vehicle, it won't respond to your commands. It can be solved by moving it closer to your vehicle until it starts responding.

If you've replaced the battery in your coin (commonly called a "button" or "watch") and the fob won't work, it could have an internal circuit board problem. In most cases, reprogramming the fob will resolve this problem. There are instructions on how to start a fiat 500x with key to do this for all vehicles by searching YouTube or consulting the owner's manual.

It is possible to replace the metal clips that hold the coin batteries in place. If they lose tension, it could prevent the battery from being seated properly and could result in the malfunction of your remote.

In rare cases the fob could be out of connection with your vehicle as a result 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 cases the software may require reinstallation into your body control modules.

Interference

Interference can also cause the key fob to not be able to receive or transmit signals. This may happen if the keyfob is located in close proximity to a radio transmitter like a cellphone or radar detector. The key fob might not function because of a problem with the buttons, water damage or damage to the internal chips.

If the key fob has stopped working one day out of the blue or even after trying everything you can do at home to fix it e.g. It could be a defective 500 receiver module in the event that you've tried replacing the battery, reprogramming, or using a spare 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 interpreted by the vehicle.

There's a simple method to reset the 500's on-board system, including the keyfob. Disconnect the battery 12 volt for approximately 15 minutes by taking off the negative cable first then the positive cable. Then, reconnect the battery. This will clear out any remaining electricity and restart the car's computers. This can help the key fob to function again. If the issue persists, you should consult an experienced technician. They'll be able identify the root cause of your issue.