Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it easy to open doors and start your vehicle. There are a variety of reasons why the fob could stop working. This could be due to a dead coin-battery water damage, receiver modules issues, and interference.

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Dead Coin Battery

The most frequent reason that your 500 key fob will not function is due to the battery is dead. Modern key fobs have only a limited range of operation and must be within a few inches of your vehicle to function. If you are not within your vehicle and press the keyfob button, it will not respond and display the message "Key Fob Not Detected".

If this occurs, replace the coin-cell battery (Part Number CR2032) with a new battery of a trusted brand like Panasonic Duracell or Energizer. They are typically available at your local hardware store or on the internet.

After you've replaced the battery in the coin cell, you can test it by standing in front of your Fiat 500 and pressing the buttons. The car should blink its parking lights and programmer the key fob should be able to operate the lock and unlock switches.

If your fob's key isn't working even after replacing the battery, it could be water damage that has prevented it from connecting to the module inside your vehicle. Water damage can occur in a number of ways, ranging from an accidental splash to submerging your fob in salt water at the beach. If you suspect your fob has been exposed to water, you can try placing it in a dry rice bag to draw the moisture back out. If this does not work, you'll need to have your fob replaced by an auto locksmith or a dealer.

Water Damage

Damage to the water supply can occur if you submerge the fob in the ocean or wash it in a washer. Saltwater is particularly dangerous to the circuit board of the fob, causing it to short out and eventually die. It's not a good thing to submerge the fob in water but don't give up in the event that you accidentally drop it in water, or fail to remove it from your pants pocket.

First remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or a similar product. Next check the fob to see if it works. If the key does not function it could need to be changed. This is usually handled by an auto locksmith or dealer.

If your key is older and has not been programmed for your car You will need to replace it completely. A professional locksmith for cars can do this job. The locksmith will have to cut the key to match the ignition of your vehicle. The locksmith will also need to program your fob into the car's system. This is a cost-effective and fast process that can be completed within the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob might stop working is that it's simply out of range. The remote usually has an area of 30 feet or less, and if it's too far from your vehicle, it will not respond to your commands. You can solve this issue by moving the remote closer to your car until it responds.

If you've replaced your coin battery (commonly known as"button" or "button" or "watch") and your fob still won't work, it could have an internal circuit board problem. In most cases, reprogramming the fob will resolve this problem. You can find the procedure for most vehicles on YouTube or in the owner's manual.

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

In rare instances, the fob may be out of alignment with your vehicle because of software or hardware problems. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances the software may require reinstallation to your body control modules.

Interference

In addition to a dead battery on a coin, the key fob may not be able to receive or transmit an signal due to interference. This can occur when the keyfob's location is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons the key fob might not work may be a lack of connection to the buttons and internal chip, or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to resolve it (e.g. You may have a faulty 500 receiver module in the event that you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. It converts them into electronic commands that the vehicle interprets.

There is a straightforward method to reset the 500's onboard system, including the keyfob. Disconnect the battery of 12 volts for about 15 minutes, by removing the negative cable and then the positive cable. Then reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computers, which could help the key fob to function again. If the issue persists, you should consult an expert technician. They'll be able to determine the root of your problems.