Nine Things That Your Parent Taught You About Fiat Panda Key Fob Replacement Reasons Your Fiat 500 Key Fob Won't Work

A key fob for Fiat 500 makes it simple to open doors and start your vehicle. There are a myriad of reasons why the fob won't be working. It could be due to a dead battery or damage to the receiver module, water 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 an inactive battery. Modern key fobs come with a restricted operating range, and should be within some feet of the vehicle to operate. If you're far away from your vehicle, and you press the key fob button, the car won't respond, and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery on your coin cell (Part number CR2032) with a new one from a trusted brand like Panasonic, Duracell, or Energizer. You can find them in your local hardware store, or on the internet.

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

If the key fob won't function after replacing the battery, it may be damaged by water, which prevents it from communicating with the receiver module inside your car. Water damage can occur in many ways, including an easy splash or submerging the key fob into saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If this fails, you'll require your fob to be reprogrammed either by an auto locksmith or a dealer.

Water Damage

While the fob has some rubber seals to keep water out of the electronic chip inside, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and then cease to function. In the event that you let your fob get wet, it's not an ideal choice however, if you drop it into a glass of water or do not remember to take it out of your pocket before you run the washing machine and you don't have a chance, don't give in.

First, remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or a similar product. Check the fob again to verify if it's functioning. If the key does not function, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key you have is older and is not programmed for your vehicle then you'll need to replace it completely. A professional locksmith for cars can complete this simple process. The locksmith will require the key cut to match the car's ignition. They'll also need to program the fob into the system of your car. This is a cost-effective and quick process that could be completed in the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote typically has 30 feet of range or less, and if it's too far away from your car it will not respond to your commands. This can easily be resolved by moving closer to your vehicle until it starts responding.

If your fob isn't working after you replace the battery in the coin, also called a "button", "watch" or "button" It could be due to a problem with the circuit board inside. In most cases, reprogramming the fob will fix the problem. G28CarKeys can find the steps for the majority of vehicles on YouTube or in the owner's manual.

It's possible that you need to replace the metal clips that keep the battery of your coin in place. If they become loose, it may prevent your battery from sitting properly and cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle because of software or hardware issues. This can be a major problem, but you can usually resolve this issue by visiting an auto locksmith to reprogram your fob for you. In certain instances, the software may also require reinstallation to your body control modules.

Interference


Interference can also cause the key fob not to receive or transmit an signal. This is possible when the key fob is located near a radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. The key fob could not function because of a weak connection to the buttons water damage or damage to the internal chips.

If your key fob suddenly stopped working, or if you've tried everything at home to resolve it (e.g. You might have a damaged 500 receiver module if you've tried replacing the battery, reprogramming or using a spare key fob. The receiver module, located beneath the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands that are then read by the vehicle.

There's a simple method to reset the 500's in-board system including the keyfob. Disconnect the battery of 12 volts for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electricity, and allow you to restart the car's computer. This could help you get your key fob to function again. If the issue continues, you should speak with an expert technician. They can identify the root cause of your problems.