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A Positive Rant Concerning Fiat Panda Key Fob Replacement
Reasons Your Fiat 500 Key Fob Won't Work

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

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

Dead Coin Battery

The most common reason your 500 key fob won't work is an inactive battery. Modern key fobs have a very limited operating range, and must be within only a few feet from the vehicle to operate. If you are 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. They are usually available in your local hardware store or online.

After you've replaced the coin cell battery, you can test it by standing close to your Fiat 500 and pressing the buttons. The parking lights should blink and the key fob will operate the lock and unlock switch.

If your fob's key doesn't work even after replacing the battery, it could be water damage that prevents it from connecting to the module in your vehicle. Water damage can occur in a number of ways, from small splashes to submerging the fob salt water at the beach. If you suspect your fob has been exposed to water, try placing it in a dry rice bag to pull the moisture out. If this doesn't work, you will have to get your fob reset by an auto locksmith or a dealer.

Water Damage

While the fob comes with rubber seals to keep water out of the chip's electronic circuit and out of the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to become shorted and eventually die. It's not a good idea to let the fob get wet however, but don't give it up when you accidentally drop it in water or forget to remove it from your pocket.

First take the battery off the fob. Before replacing the battery clean the electronic chip with isopropyl or similar products. Test the fob next to determine if it's working. If the key still doesn't work, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.


If your key is old and is not programmed to work with your vehicle then you'll need to replace it completely. A professional locksmith for cars can complete this simple process. The locksmith will need the key to be cut to match your vehicle's ignition. The locksmith also needs to reprogram your fob in the car's system. This is a cheap and fast process that can be completed in the same day.

Receiver Module Issues

The 500 key fob you have may stop working because it is out of range. The remote has a maximum range of 30 feet, so should you be too far away from your vehicle it will not respond to your commands. You can fix this by moving the remote closer to your car until it responds.

If fiat 500 replacement key near me fob isn't working after replacing the battery in the coin, also called a "button", "watch" or "button" or "button", it could be due to an issue with the internal circuit board. In most cases, reprogramming the fob will fix the problem. You can find the instructions for most vehicles on YouTube or in the owner's manual.

You may need to replace the metal retaining clips that hold the battery of your coin in place. If they lose tension it could prevent your coin battery from sitting properly and cause your remote to malfunction.

In rare instances, the fob can become out of the vehicle's sync because of hardware or software issues. This can be a major problem, but you can often fix this 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

Interference can also cause the key fob to not receive or transmit an signal. This could happen if the key fob is near the radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. The key fob may not function due to a poor connection to the buttons water damage or damage to the internal chips.

If your key fob suddenly stopped working, or you have tried everything at home to solve the issue (e.g. replacing batteries, reprogramming or using the spare key fob, it could have a defective receiver module on your 500. The receiver module is situated under the dash, and it picks up the radio frequency signals from the key fob. It transforms the signals into electronic commands, which are then read by the vehicle.

There is a simple way to reset the 500's in-board system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electricity, and restart the computer of your car. This could help you get your key fob working again. If the issue persists, you should consult an expert technician. They'll be able determine the exact cause of your problem.