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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 keys 500 key fob makes it simple to open doors and start your vehicle. However, there are many reasons the fob could stop functioning. This includes a dead battery or water damage, issues with the receiver module, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote - like the Ilco brand that needs to be programmed professionally by a local locksmith (click here to search for a Locksmith Search). It includes trunk, lock and unlock buttons.

Dead Coin Battery

The most frequent reason why the 500 key fob won't function is the battery is dead. Modern key fobs have a limited range of operation and must be within a few inches of your vehicle to function. If you're not close to your vehicle and you press the key fob button the car won't respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin cell battery (Part number CR2032) with a brand new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available in your local hardware store, or online.

You can test the battery on your coin-cell by pressing the buttons while you are standing close to your fiat 500 replacement key fob 500. The car will blink its parking lights and the key fob should work the lock and unlock switches.

If the fob's key doesn't function after replacing the battery, it may be damaged by water that blocks it from communicating with the receiver module in your vehicle. Water damage can happen in many ways, including a simple splash or submerging the key fob into saltwater at the beach. If you suspect that your fob was exposed to water, put it in a dry rice bag to draw the moisture back out. If this doesn't work, you will need to have your fob replaced by an auto locksmith or dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean, or wash it in a washing machine. Saltwater can be particularly harmful to the circuit board of the fob and can cause it to short out and eventually die. In the event that you let your fob get wet, it's not a good idea, but if you drop it in the water in a cup or do not remember to remove it from your pocket before you run the washing machine, don't give up hope.

First remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or a similar product. Next test the fob to check if it functions. If the key doesn't function, it may need to be programmed again. This is usually handled by a professional or dealer auto locksmith.

If the key is newer and has not been programmed to your vehicle, it will likely need to be replaced completely. A professional automotive locksmith will be able to complete this process. The locksmith must cut the key to match the ignition of your car. They will also need to reprogram the fob in your vehicle's system. This is a quick and inexpensive process that is usually completed within the next day.

Receiver Module Issues

The 500 key fob you have may be inoperable because it's out of range. The remote typically has an operating 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 easily be resolved by moving it closer to your vehicle until it begins responding.

If you've replaced the battery in your coin (commonly known as"button" or "button" or "watch") and the fob isn't working it could be due to an internal circuit board problem. Reprogramming the fob typically resolves the issue. You can find instructions on how to do this for the majority of vehicles by searching YouTube or checking out the owner's manual.

It could be necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they lose tension, it can stop your coin battery from sitting properly, causing your remote to malfunction.

In rare instances, the fob might be out of the vehicle's sync because due to hardware or software issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances it may be necessary to install the software again in your body control module as well.

Interference

In addition to a dead battery on a coin, the key fob may not be receiving or transmitting an signal due to interference. This could happen if the key fob is in proximity to an electronic radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. The key fob might not function due to a bad 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 resolve it (e.g. replacing the battery, reprogramming, and using the spare key fob, it could have a malfunctioning receiver module on your 500. The receiver module, which is located under the dashboard, receives radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's on-board system including the keyfob. Disconnect the 12 volt battery for about 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will get rid of any residual electricity and restart the car's computer system, which could help get your key fob working again. If the issue persists, you should seek the advice of an expert technician. They will be able diagnose the exact cause of any problems.