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Reasons Your fiat punto car key 500 Key Fob Won't Work

A key fob for Fiat 500 makes it simple to open doors and start your car. However, there are many reasons why the fob won't be working. This could be due to a dead coin battery or damaged receiver module, water damage issues, and interfering.

This listing is for a NEW replacement fiat 500 key fiat 500 car key replacement Flip Key Remote - similar to the Ilco brand that needs to be professionally programmed by a local locksmith (click here to search for a Locksmith Search). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

The most common reason your 500 key fob doesn't work is the battery is dead. Modern key fobs operate with a restricted operating range, and must be within only a few feet from the car to operate. If you are not within your vehicle and you press the keyfob button, it won't respond and display the message "Key Fob Not Detected".

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

You can test the battery on your coin-cell by pressing the buttons while standing near your fiat ducato key fob replacement (sneak a peek here) 500. The parking lights should light up and the key fob should operate the lock and unlock switch.

If your key fob still does not work after replacing the battery, it could be water damage that hinders it from communicating with the module in your vehicle. Water damage can happen in many ways, including an easy splash or submerging your key fob in saltwater at the beach. If you suspect your fob was exposed to water, put it in a dry rice bag to pull the moisture out. If this does not work, you'll need to have the fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

The fob does have rubber seals that keep water from the chip's electronic circuit and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually end up dying. It's not a good thing to soak the fob in water however, don't give it up if you accidentally drop it in water, or fail to take it out of your pocket.

First, remove the battery. Before replacing the battery, clean the electronic chip with isopropyl or another similar product. Next try the fob and test if it works. If the key doesn't function, it may have to be changed. This is typically done by a professional or dealer auto locksmith.

If the key is newer and has not been programmed to your vehicle it is likely to need to be replaced completely. This is a simple procedure that can be carried out by a professional automotive locksmith. The locksmith will need the key cut to match your vehicle's ignition. They'll also have to reprogram the fob for your vehicle's system. This is a cheap and fast process that can be completed the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote's range is of 30 feet. Therefore, when you're too far from your vehicle it won't be able to respond to your commands. You can easily solve this issue by moving the remote closer to your vehicle until it responds.

If you've replaced your coin battery (commonly known as a "button" or "watch") and the fob isn't working It could be because of an internal circuit board problem. In most cases, reprogramming the fob will solve the problem. You can find the procedure for most vehicles on YouTube or in the owner's guide.

It is sometimes necessary to replace the metal clips that hold the coin batteries in their place. If they lose tension it could hinder the coin battery from sitting properly and could cause your remote to malfunction.

In rare cases the fob might be out of the vehicle's sync because of hardware or software problems. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases, they may need to reinstall the program in your body control module, too.

Interference

Interference can also cause the key fob not to receive or transmit signals. This could occur if the key fob is in proximity to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob might not function due to a poor connection to the buttons, water damage or damage to the internal chips.

If the key fob has stopped working one day without notice or even after trying every option at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, you might have a defective receiver module on your 500. The receiver module, located under the dashboard, picks up radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset every single system on board in your 500 keys, including the key fob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable first then the positive cable. Then, reconnect the battery. This will get rid of any remaining electricity and restart the car's computer system, which could help the key fob to function again. If the issue persists, you should seek out an expert technician. They'll be able to diagnose the exact cause of your issue.