Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat 500x key Fob 500 is a convenient way to unlock the doors and start the car. However, there are numerous reasons the fob could stop functioning. These include a dead battery or damage to the receiver module, water issues, and interference.

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Dead Coin Battery

The most frequent reason that the 500 key fob won't function is due to an inactive battery. Modern key fobs have a very limited range of operation, and should be within some feet of the car to operate. If you are far 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 happens you need to replace the battery of your coin-cell (Part Number CR2032) by a brand new one of a reliable brand, like Panasonic Duracell or Energizer. They are usually available at your local hardware store, or Fiat 500X Key Fob online.

After you've changed the battery on the coin cell, you can test it by standing near your Fiat 500 and pressing the buttons. The car should blink its parking lights, and the key fob will operate the lock and unlock switches.

If the fob's key doesn't work after replacing the battery, it may have water damage that prevents it from communicating with the receiver module inside your vehicle. Water damage can happen in a variety of ways, such as an easy splash or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If that doesn't work, your fob may need to be reset by an experienced auto locksmith or by the dealer.

Water Damage

Water damage can occur when you immerse the fob into the ocean or wash it in a machine. Saltwater is particularly dangerous to the circuit board of the fob which causes it to short out and eventually end up dying. In the event that you let your fob get wet, it's not an option however, if you drop it in the water in a cup or fail to take it out of your pants pocket prior to running the washer, don't give up hope.

Remove the battery first. Before replacing the battery, clean the electronic chip using isopropyl, or a similar product. Test the fob next to see if it is working. If the key isn't working, it may need to be reprogrammed. This is usually handled by an auto locksmith or dealer.

If the key is a newer model and has not been programmed to your vehicle, it will likely need to be replaced completely. A professional automotive locksmith can complete this simple process. The locksmith needs to cut the key to match the ignition of your car. The locksmith also needs to reprogram your fob into the car's system. It's a simple and inexpensive process which can be completed the same day.

Receiver Module Issues

The 500 key fob could stop working because it is out of range. The remote has a range of 30 feet. Therefore, should you be too far from your vehicle it won't be able to respond to your commands. It can be solved by moving it closer to your vehicle until it begins responding.

If your fob isn't working after replacing the battery for the coin, also called 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 issue. You can find the instructions on how to do this for all automobiles by searching YouTube or reading the owner's manual.

It is sometimes necessary to replace the clips made of metal that hold the coin batteries in their place. If they lose tension it can stop your coin battery from sitting properly, causing your remote to malfunction.

In rare cases the fob might become disconnected from your vehicle due to software issues or hardware issues. This can cause a major issue, fiat 500x key fob but you are able to frequently fix this issue by visiting an auto locksmith to reprogram your fob for you. In certain instances, they may need to reinstall the software in your body control module, as well.

Interference

In addition to a dead battery on a coin The key fob might not be able to transmit or receive signals due to interference. This is possible when the key fob is in proximity to a radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. The key fob could not function because of a weak connection with 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. replacing the battery, reprogramming, and using the spare key fob, you could have a faulty receiver module on your 500. The receiver module, which is located under the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated by the vehicle.

There's a simple method to reset the 500's on-board system including the keyfob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Reconnect the battery. This will clear out any remaining electricity and then restart the car's computer system, which could allow you to the key fob to function again. If the problem persists you should seek out an expert technician. They will be able to determine the root of your issue.