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

A fiat 500 key fob is a convenient way to open the doors and start the car. There are a variety of reasons why the fob may stop working. This could be due to a dead coin battery water damage, receiver module problems, and interference.

This listing is for an NEW replacement fiat 500 all keys lost ducato key fob - over here - Flip Key Remote that appears similar to the Ilco brand. It has to be professionally programmed (click here to find local locksmiths for your vehicle). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob will not work is an inactive battery. Modern key fobs have a limited operating range and should be within just a few feet of the vehicle in order to function. If you're far from your vehicle and 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, simply replace the battery on your coin cell (Part number CR2032) by a new one from a reputable brand such as Panasonic, Duracell, or Energizer. You can find them in your local hardware store, or on the internet.

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

If your fob's key does not work after replacing the battery, it could be water damage that has prevented it from communicating with the module inside your vehicle. Water damage can happen in a number of ways, from the slightest splash to submerging the fob salt water at the beach. If you think your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this doesn't work, your fob will probably require reprogramming by a professional auto locksmith or the dealer.

Water Damage

Water damage can occur if you immerse the fob in 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 die. In the event that you let your fob get wet, it's not an ideal idea, but if you drop it into a glass of water or don't remember to take it out of your pants pocket before running the washing machine Don't give up hope.

First take the battery off the fob. Before replacing the battery, clean the electronic chip using isopropyl or a similar product. Next, test the fob to test if it works. If the key doesn't work, it may need to be reprogrammed. This is typically done by a professional or dealer auto locksmith.

If your key is old and has not been programmed for your vehicle then you'll need to replace it completely. A professional automotive locksmith can carry out this simple task. The locksmith must cut the key to match the ignition of your vehicle. The locksmith also needs to reprogram the fob into the car's system. This is a cost-effective and fast process that can be completed the same day.

Receiver Module Issues

Your 500 key fob may not work because it's out of range. The remote typically has an area of 30 feet or less, and if it's too far from your vehicle, it won't respond to your commands. This can be easily fixed by moving it closer to your vehicle until it begins responding.

If you've replaced the coin battery (commonly known as a "button" or "watch") and your fob doesn't function it could be due to an internal circuit board issue. Reprogramming the fob typically resolves the issue. You can find instructions on how to do this for most vehicles by searching YouTube or consulting the owner's manual.

It is sometimes necessary to replace the metal clips that hold the coin batteries in the correct position. If they loose tension, it may prevent your battery from being properly seated and cause your remote to malfunction.

In rare cases the fob might become disconnected from your vehicle due to software problems or hardware issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations they might need to install the software again in your body control module, too.

Interference

Interference can also cause the key fob not to receive or transmit signals. This could happen when the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons why the key fob might not function could be due to a weak connection to the buttons or the internal chip, or water damage.

If the key fob failed to work one day out of the blue or after trying everything you can at home to solve it e.g. replacing the battery, reprogramming it and using the spare key fob, you might have a defective receiver module on your 500. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

Luckily, there is an easy method of resetting every single system on board in your 500, including the key fob. Disconnect the 12 volt battery for approximately 15 minutes by removing the negative cable first then the positive cable. Then, reconnect the battery. This will erase any remaining electrical charge, and then restart the car's computer. This will help you get your key fob to work again. If the problem persists you should consult an expert technician. They will be able to determine the exact cause of your problems.