Reasons Your fiat 500x key fob 500 Key Fob Won't Work

A key fob for Fiat 500 allows you to easily open doors and start your vehicle. There are many reasons why the key fob might stop working. This includes a dead coin-battery or water damage, problems with the receiver modules, and interference.

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Dead Coin Battery

The most frequent reason why the 500 key fob won't function is a dead battery. Modern key fobs operate with a limited range of operation, and should be within some feet of the vehicle in order to function. If you are further away from your vehicle, and you hit the keyfob, it will not respond and display the message "Key Fob Not Detected".

If this happens, simply replace the battery on your coin cell (Part number CR2032) with a fresh one from a trusted brand such as Panasonic, Duracell, or Energizer. You can find them at your local hardware store, or online.

After you've replaced the battery of your coin cell You can test it by standing close to your Fiat 500 and pressing the buttons. The car will 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 might be water damage that is preventing it from communicating with the module inside your vehicle. Water damage can happen through a variety of methods, including the simple splash or submerging the key fob in saltwater at the beach. If you suspect that your fob was exposed to water, place it in a rice bag to draw out the moisture. If that doesn't work your fob is likely to need to be reprogrammed by a professional locksmith or dealer.

Water Damage

While the fob has some rubber seals that keep water out of 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. The fob getting wet is not an ideal idea but if you accidentally drop it into a cup of water or fail to remove it from your pants pocket before running the washer Don't give up hope.

First remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or similar products. Next test the fob to see if it works. If the key does not function, it may need to be reprogrammed. This is typically handled by a professional or dealer auto locksmith.

If your key is a bit older and not programmed to work with your vehicle You will need to replace it completely. A professional locksmith for cars will be able to complete this process. The locksmith will require the key to be cut to match your vehicle's ignition. They'll also need to reprogram the fob for the car's system. This is a fast and inexpensive process that is usually completed on 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 30 feet of range or less and if it's far from your vehicle, it will not respond to your commands. It is possible to remedy this by moving your remote closer to your car until it responds.

If your fob won't work after replacing the battery for the coin, also known as a "button", "watch" or "button" It may be due to a malfunction on the circuit board inside. In most cases, reprogramming the fob can resolve the problem. There are instructions on how to do this for most automobiles by searching YouTube or consulting the owner's manual.

It's possible that you need to replace the metal clips that hold the battery of your coin in place. If they lose tension, it could prevent your coin battery from sitting properly, causing your remote to malfunction.

In rare cases the fob could be disconnected from your vehicle due to software issues or hardware issues. This can be a major issue, but you are able to usually fix it by visiting a local dealer or auto locksmith to have them reprogram your fob. In some cases, they may need to reinstall the software on your body control module too.

Interference

Interference can also cause the key fob not to receive or transmit an signal. This can happen when the key fob is close to the radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob might not work include a poor connection to the buttons and internal chip or water damage.

If the key fob has stopped working one day suddenly or after trying every option at home to resolve it e.g. You might have a damaged 500 receiver module if you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

Fortunately, there's an easy method to reset every single system on board in your 500 keys, including the key fob. Disconnect the battery for 15 minutes, removing first the negative cable, then the positive cable. Then reconnect the battery. This will eliminate any remaining electric current, and also restart the car's computer. This can help get your key fob working again. If the issue continues you should seek out an expert technician. They will be able to determine the exact cause of your problems.