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10 Fiat Panda Key Fob Replacement Meetups You Should Attend
Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 is a convenient method to open the doors and begin the car. There are a myriad of reasons the key fob might stop working. This could be due to a dead coin-battery and water damage, as well as receiver modules issues, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to search for local automotive locksmiths). This remote includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the most common reason for your 500 key fob not functioning. Modern key fobs have a limited operating range and must be within some feet of the vehicle in order to function. If you're far from your vehicle, and you press the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this occurs, replace the coin-cell battery (Part Number CR2032) by a fresh one of a reputable brand such as Panasonic Duracell or Energizer. You can usually find them at your local hardware store or online.

You can test the battery in the coin-cell by pressing the buttons while standing close to your Fiat 500. The parking lights should light up and the key fob should operate the lock and unlock switch.

If the key fob won't work after replacing the battery, it might be damaged by water that blocks it from connecting to the receiver module inside your car. Water damage can happen in a number of ways, ranging from small splashes to submerging the fob into salt water at the beach. If you suspect that your fob was exposed to water, put it in a rice bag to draw out the moisture. If this does not work, you'll need to have your fob changed by an auto locksmith or a dealer.

Water Damage

Water damage can happen if you immerse the fob in the ocean or wash it in a washer. Saltwater can cause the circuit board to short, and eventually fail. In the event that you let your fob get wet, it's not a good idea but if you drop it in a cup of water 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 another similar product. Check the fob again to check if it's functioning. If the fob doesn't work, it may need to be changed. This is usually handled by an auto locksmith or dealer.

If the key is older and has not been programmed to your car It will most likely need to be replaced completely. This is a straightforward process which can be accomplished by a professional automotive locksmith. The locksmith will require the key cut to match your car's ignition. They'll also need to reprogram the fob to the car's system. This is a fast and affordable process which can be completed on the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob could stop working is because it's out of range. The remote has a maximum range of 30 feet, so should you be too far from your vehicle it won't respond to your commands. It can be solved by moving closer to your vehicle until it starts responding.

If your fob doesn't work after replacing the battery inside the coin, which is also known as a "button", "watch" or "button" it could be due to a problem with the internal circuit board. In most cases, reprogramming the fob can resolve the issue. The instructions are available for most vehicles on YouTube or in 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 prevent your coin battery from being properly seated, causing your remote to malfunction.

In rare instances, the fob could be out of connection with your vehicle as a result of software or hardware problems. This could cause a significant headache, but you can frequently fix this issue by visiting an auto locksmith to have them reprogram your fob for you. In some cases, the software may also require reinstallation in your body control modules.

Interference

In addition to a dead battery on a coin The key fob may not be able to transmit or receive a signal due to interference. This could happen when the keyfob is in close proximity to a radio transmitter like a cellphone or radar detector. Other reasons why the key fob could not function may be a lack of connection to the buttons, damage to the 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. replacing batteries, reprogramming or using the spare key fob, it could have a defective receiver module on your 500. The receiver module, which is located beneath the dashboard, detects radio frequency signals from your key fob. It transforms the signals into electronic commands that are then processed by the vehicle.

Fortunately, there's an easy method to reset all of the on-board systems in your 500 and include the key fob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will erase any remaining electrical charge, and then restart the computer in your car. This can help you get your key fob to work again. If fiat keys persists, you should consult an expert technician. They will be able to diagnose the exact cause of your problems.

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