Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 is a convenient method to open the doors and start the car. However, there are numerous reasons why the key fob might stop functioning. This could be due to a dead coin-battery and water damage, as well as issues with the receiver module, and interference.

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Dead Coin Battery

The most common reason your 500 key fob doesn't function is the battery is dead. Modern key fobs have a limited operating range and must be within some feet of the vehicle to operate. If you're far from your vehicle when you press the key fob button, the car won't be able to respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

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

After you've replaced the battery in the coin cell you can test it by standing close to your fiat 124 spider key fob not working 500 and pressing the buttons. The parking lights should flash and the key fob will operate the lock and unlock switches.

If your key fob isn't working even after replacing the battery, it may be water damage which is preventing it from connecting to the module in 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 your fob has been exposed to water, put it in a dry rice bag to pull the moisture out. If that doesn't work the fob might need to be reset by an experienced locksmith or dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water from the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater poses a particular risk to the fob's circuit board which causes it to short out and eventually end up dying. Getting the fob wet is not an ideal choice, but if you drop it into a cup of water or do not remember to take it out of your pants pocket before running the washer Don't give up hope.

First remove the battery from the fob. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Check the fob again to see if it is working. If the key isn't working then it might need to be changed. This is usually done by a professional or dealer auto locksmith.

If your key is older and is not programmed for your vehicle You will need to replace it completely. This is a straightforward process that can be carried out by a professional locksmith for automotive use. The locksmith will have to cut the key to match the ignition of your vehicle. They will also need to reprogram the fob to your vehicle's system. This is an affordable and fast process that can be completed within the same day.

Receiver Module Issues

Your 500 key fob may be inoperable because it's out of range. The remote has a range of 30 feet. Therefore, should you be too far away from your vehicle it won't respond to your commands. You can easily solve this problem by moving the remote closer to your vehicle until it responds.

If you've replaced your coin battery (commonly known as a "button" or "watch") and your fob still won't work it could be due to an internal circuit board issue. In the majority of cases, reprogramming your fob will fix the problem. You can find the instructions on how to do this on the majority of automobiles by searching YouTube or checking out the owner's manual.

It may be necessary to replace the metal clips that hold the coin batteries in their place. If they become loose, it could prevent your coin battery from being properly seated and cause your remote to malfunction.

In rare cases the fob can become out of connection with your vehicle as a result of software or hardware problems. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances the software might need to be reinstalled in your body control modules.

Interference

In addition to a dead coin battery, the key fob may not be able to transmit or receive an signal due to interference. This is possible when the key fob is close to radio transmitters (cell phones or radar detectors) or another source of electromagnetic radiation. The key fob might not function due to a poor Fiat punto remote Key replacement connection with the buttons or water damage, or damage to the internal chips.

If your key fob suddenly stopped working, or you have tried everything at home to fix it (e.g. You might have a damaged 500 receiver module if you've tried replacing the battery, reprogramming, and Fiat Punto Remote Key Replacement using a spare key fob. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. It converts the signals into electronic commands, which are then read by the vehicle.

There's a quick and easy way to reset the 500's onboard system, including the keyfob. Disconnect the 12 volt battery for about 15 minutes by removing the negative cable and then the positive cable. Then, reconnect the battery. This will erase any remaining electricity, and restart the computer of your car. This can help get your key fob to function again. If the issue persists it is recommended that you consult an experienced technician. They will be able to determine the exact cause of any problems.