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

A key fob for Fiat 500 allows you to easily open doors and start your car. However, there are many reasons the fob could stop working. This includes a dead battery and water damage, as well as problems with the receiver modules, and interference.

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Dead Coin Battery

The most frequent reason that your 500 key fob will not work is a dead battery. Modern key fobs operate with a restricted operating range, and should be within some feet of the vehicle to operate. If you're far away from your vehicle, and 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 occurs then replace the battery for your coin-cell (Part Number CR2032) by a new one of a reliable brand, such as Panasonic Duracell or Energizer. They are available at your local hardware store or on the internet.

You can test the coin-cell battery by pressing the buttons while you're standing close to your fiat 500x key not detected 500. The parking lights should flash and the key fob should operate the lock and unlock switches.

If the fob's remote doesn't function after replacing the battery, it may be damaged by water, which prevents it from communicating with the receiver module in your car. Water damage can happen in a number of ways, ranging from an accidental splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, put it in a bag of rice to draw out the moisture. If this doesn't work, your fob will probably need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob in the ocean, or wash it in a washer. Saltwater can be particularly harmful to the fob's circuit board which causes it to short out and eventually end up dying. It's not the best idea to get the fob wet however, but don't give it up in the event that you accidentally drop it in water or fail to remove it from your pocket.

First, remove the battery. Clean the electronic chip with isopropyl alcohol or a similar product and then dry it thoroughly before replacing the battery. Next test the fob to see if it works. If the key does not function, it may have to be reset. This is usually handled by a professional or dealer auto locksmith.

If the key is more recent and has not been programmed to your vehicle it is likely to need to be replaced completely. A professional locksmith for automotive can carry out this simple task. The locksmith will need the key to be cut to match your car's ignition. The locksmith will also have to program your fob into the car's system. This is a fast and affordable process that can be completed the same day.

Receiver Module Issues

The 500 key fob you have may stop working because it is out of range. The remote usually has a range of 30 feet or less, and if it's too far away from your car it won't respond to your commands. This can be fixed 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 won't work it could be due to an internal circuit board problem. Reprogramming the fob typically resolves the issue. There are instructions on how to do this on the majority of vehicles by searching YouTube or reading the owner's manual.

It is possible to replace the metal retaining clips that keep the coin battery in place. If they lose tension it could prevent the battery from sitting properly and can cause your remote to malfunction.

In rare instances the fob could be desync'd with your vehicle due to software or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances, the software may also require reinstallation to your body control modules.

Interference

In addition to a dead battery on a coin the key fob could not be receiving or transmitting an signal due to interference. This could happen if the key fob is in proximity to radio transmitters (cell phones, radar detectors) or any other source of electromagnetic radiation. The key fob may not function due to a poor connection with the buttons, water damage or damage to the internal chips.

If the key fob has suddenly stopped working, in the middle of the night and you've tried every option at home to solve it e.g. You may have a faulty 500 receiver module If you've tried replacing it with a battery, reprogramming it, or using a spare key fob. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy method of resetting all of the onboard systems in your 500, including the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity, and restart the computer of your car. This can help get your key fob working again. If the issue persists it is recommended that you consult an expert certified technician. They will be able to identify the root cause of any issues.