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Reasons Your Fiat 500 Key Fob Won't Work

A fiat panda key fob replacement 500 key fob allows you to easily open doors and start your vehicle. There are many reasons the fob may stop working. This includes a dead battery water damage, issues with the receiver module, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It must be professionally programmed (click here to search for local locksmiths for your vehicle). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the most frequent reason for your 500 key fob that isn't working. Modern key fobs have limited operating range and must be within only a few inches from the vehicle to work. If you're not close to your vehicle when you press the key fob button the car will not respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

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

You can test the battery in the coin-cell by pressing the buttons while you're standing close to your fiat 500x key fob replacement 500. The car should flash its parking lights and the key fob should work the lock and unlock switches.

If the fob's remote doesn't work after replacing the battery, it could be damaged by water, which prevents it from connecting to the receiver module inside your vehicle. Water damage can happen in many ways, such as simply splashing or submerging the key fob in saltwater at the beach. If you believe your fob was exposed to water, put it in a rice bag to draw out the moisture. If that doesn't work your fob will probably require reprogramming by a professional auto locksmith or by the dealer.

Water Damage

Water damage can happen if you immerse the fob into the ocean, or wash it in a washer. Saltwater is particularly dangerous to the fob's circuit board which causes it to short out and eventually die. It's not a good thing to get the fob wet, but don't give it up even if you accidentally drop the fob in water or fail to remove it from your pocket.

First, remove the battery. Clean the electronic chip with isopropyl ethanol or a similar product and then dry it thoroughly before replacing the battery. Test the fob afterward to verify if it's working. If the fob doesn't work then it might need to be changed. This is usually handled by a professional or dealer auto locksmith.

If your key is old and is not programmed for your car it is necessary to replace it completely. This is a simple procedure that can be carried out by a professional locksmith for automotive use. The locksmith must cut the key to match the ignition of your vehicle. The locksmith will also have to program fiat 500 key fob your fob into the car's system. This is a cheap and fast process that can be completed within the same day.

Receiver Module Issues

Your 500 key fob may not work because it's out of range. The remote's range is of 30 feet. So in the event that you are far away from your vehicle it won't be able to respond to your commands. It's easy to solve this problem by moving the remote closer to your car until it responds.

If you've replaced the battery on your coin (commonly called a "button" or "watch") and the fob won't work it could be due to an internal circuit board issue. Reprogramming the fob usually resolves this issue. You can find the instructions for most vehicles on YouTube or in the owner's manual.

You may have to replace the metal clips that keep the battery of your coin in place. If they loose tension, it can prevent the coin battery from being properly seated and cause your remote to malfunction.

In rare instances, the fob may become disconnected from your vehicle due to software problems or hardware issues. This could cause a significant issue, but you are able to usually fix it by visiting an auto locksmith to reprogram your fob for you. In certain instances the software may require reinstallation into your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit an signal. This can happen when the key fob is in proximity to the radio transmitter (cell phones, radar detectors) or any other source of electromagnetic radiation. The key fob may not function because of a problem to the buttons water damage or damage to the internal chips.

If the key fob has failed to work one day without notice or even after trying everything you can at home to solve it e.g. replacing batteries, reprogramming or using the spare key fob, you might have a faulty receiver module on your 500. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. It converts them to electronic commands that the vehicle interprets.

There is a simple way to reset the 500's on-board system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will eliminate any remaining electricity and restart the car's computers. This can help you get your key fob working again. If the issue continues, you should consult an expert technician. They will be able diagnose the root cause of any problems.