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Reasons Your fiat remote key replacement 500 Key Fob Won't Work

A key fob for the Fiat 500 makes it simple to open doors and start your vehicle. There are many reasons the fob may stop working. This could be due to a dead coin battery water damage, receiver module issues, or interference.

This listing is for a NEW replacement fiat fiorino keys nottingham fiat 500 key cover Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to find local automotive locksmiths). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob being inoperative. Key fobs of today have limited operating range and must be within a few inches of your vehicle in order to work. If you're far away from your vehicle when you press the key fob button, the car won't respond, and will display a "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 manufacturer like Panasonic, Duracell, or Energizer. They are usually available at your local hardware store, or online.

You can test the coin-cell battery by pressing the buttons while standing close to your Fiat 500. The car should blink its parking lights, and the key fob should operate the lock and unlock switches.

If your key fob doesn't work even after replacing the battery, there may be water damage that hinders it from connecting to the module inside 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 that your fob was exposed to water, you can try placing it in a dry rice bag to pull the moisture back out. If this doesn't work, you will need to have the fob reset by an auto locksmith or a dealer.

Water Damage

Water damage can occur if you submerge the fob in the ocean or wash it in a washing machine. Saltwater can be particularly harmful to the circuit board of the fob, causing it to short out and eventually die. Getting the fob wet is not an option but if you drop it in an empty cup of water, or do not remember to remove it from your pants pocket prior to running the washing machine and you don't have a chance, don't give in.

Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl or another similar product. Then try the fob and see if it works. If the key isn't working, it may have to be changed. This is usually handled by an auto locksmith or dealer.

If the key is newer and hasn't been programmed to your vehicle it is likely to need to be replaced completely. This is a simple procedure that can be handled by a professional automotive locksmith. The locksmith needs to cut the key to match the ignition of your vehicle. They'll also have to reprogram the fob for your car's system. This is a cheap and quick process that can be completed the same day.

Receiver Module Issues

One of the main reasons your 500 key fob won't be working is that it's simply out of range. The remote has a range of 30 feet, which means should you be too far from your vehicle it won't be able to respond to your commands. This can easily be resolved by moving closer to your vehicle until it starts responding.

If you've replaced the coin battery (commonly called"button" or "button" or "watch") and the fob isn't working it could be due to an internal circuit board issue. Reprogramming the fob usually resolves this problem. The instructions are available for the majority of vehicles on YouTube or in the owner's manual.

It's possible that you need to replace the metal clips that hold the coin battery. If they lose tension, it could prevent the coin battery from being properly seated and can cause the remote to malfunction.

In rare instances the fob could be desync'd with your vehicle due to software issues or hardware issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to Reprogram Fiat 500 key fob your key fob. In certain situations, they may need to reinstall the software on your body control module as well.

Interference

Interference can also cause the key fob not to receive or transmit a signal. This may happen if the keyfob is located in close proximity to a radio transmitter such as a cell phone or radar detector. Other reasons the key fob could not function may be a lack of connection to the buttons and internal chip or water damage.

If the key fob suddenly stopped working, out of the blue and you've tried everything you can at home to solve it e.g. replacing the battery, reprogramming, and using the spare key fob, you may have a malfunctioning receiver module on your 500. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's internal system, including the keyfob. Disconnect the 12 volt battery for approximately 15 minutes by taking off the negative cable first then the positive cable. Then reconnect the battery. This will erase any remaining electricity, and restart the computer in your car. This can help get your key fob to work again. If the issue persists, you should seek out an expert technician. They'll be able diagnose the exact cause of your issues.