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Reasons Your Fiat 500 Key Fob Won't Work

A key fob with the fiat 500 number is a convenient method to unlock the doors and start the car. However, there are many reasons why the fob may stop working. These include a dead battery damage to the receiver module, issues, and interference.

This listing is for a NEW replacement fiat punto key fob replacement Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths for automotive locksmiths). It includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob that isn't working. Modern key fobs only have a limited range of operation and must be within only a few inches from the vehicle in order to work. 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 happens, replace the coin-cell battery (Part Number CR2032) by a brand new one from a reputable brand like Panasonic Duracell or Energizer. They are typically available at your local hardware store or on the internet.

After you've replaced the coin cell battery You can test it by standing next to your fiat remote key 500 and pressing the buttons. The parking lights will flash and the key fob should operate the lock and unlock switches.

If the key fob doesn't work after replacing the battery, it may have water damage that stops it from connecting to the receiver module in your vehicle. Water damage can occur in many ways, including an easy splash or submerging the key fob saltwater at the beach. If you suspect your fob has been exposed to water, put it in a dry rice bag to draw the moisture out. If this doesn't work, your fob may need to be reset by a professional locksmith or dealer.

Water Damage

The fob does have rubber seals that keep water from the electronic chip inside, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the circuit board of the fob which causes it to short out and eventually end up dying. It's not a good thing to let the fob get wet however, but don't give it up when you accidentally drop it in water or forget to take it out of your pants pocket.

Remove the battery first. Before replacing the battery clean the electronic chip with isopropyl or another similar product. Test the fob next to verify if it's functioning. If the key isn't working, it may need to be reset. This is usually handled by an auto locksmith or dealer.

If your key is old and not programmed for your car then you'll need to replace it completely. A professional automotive locksmith will be able to complete this process. The locksmith will need to cut the key to match the ignition of your car. They'll also need to reprogram the fob to the system of your car. This is a cheap and quick process that could be completed in the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob may stop working is because it's out of range. The remote typically has a range of 30 feet or less, and if it's too far from your vehicle, it will not respond to your commands. You can easily solve this problem by moving the remote closer to your car until it responds.

If you've replaced the battery on your coin (commonly known as a "button" or "watch") and your fob still won't work, it could have an internal circuit board problem. Reprogramming the fob is usually the solution to this issue. You can find directions on how to do this for the majority of automobiles by searching YouTube or looking through the owner's manual.

You may need to replace the metal retaining clips that keep the coin battery. If they lose tension they could stop the coin battery from being properly seated and cause your remote to malfunction.

In rare cases, the fob may become desync'd with your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances it may be necessary to reinstall the software on your body control module too.

Interference

In addition to a dead battery on a coin, the key fob may not be able to receive or fiat punto Key Fob replacement transmit an signal due to interference. This could occur if the keyfob's location is in close proximity to a radio transmitter like a cell phone or radar detector. The key fob may not function due to a bad connection to the buttons, water damage or damage to the internal chips.

If your key fob suddenly stopped working, or if you've tried everything at home to fix it (e.g. battery replacement, reprogramming and using the spare key fob, it could have a faulty receiver module on your 500. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It transforms the signals into electronic commands which are then read by the vehicle.

Fortunately, there's an easy method to reset all of the onboard 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 clear any residual electric current, and also restart the car's computer. This can help you get your key fob working again. If the issue continues, you should seek out an expert technician. They can identify the root cause of any problems.