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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it easy to open doors and start your car. However, there are a variety of reasons the fob could stop functioning. This includes a dead coin-battery and water damage, as well as issues with the receiver module, and interference.

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





Dead Coin Battery

A dead battery is the most common reason for your 500 key fob not functioning. Modern key fobs have a very limited range of operation, and should be within some feet of the car to operate. If you are further away from your vehicle and press the keyfob button it will not respond, and display the message "Key Fob Not Detected".

If this happens, replace the battery of your coin cell (Part number CR2032) with a new one from a reputable manufacturer such as Panasonic, Duracell, or Energizer. They are available at your local hardware store, or on the internet.

You can test the battery of your coin-cell by pressing the buttons while you are standing close to your Fiat 500. 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 might be water damage that hinders it from communicating with the module in your vehicle. Water damage can happen in many ways, including the simple splash or submerging the key fob in saltwater at the beach. If you suspect your fob has been exposed to water, try putting it in a dry rice bag to draw the moisture out. If that doesn't work, your fob is likely to need to be reprogrammed by a professional auto locksmith or dealer.

Water Damage

While the fob has some rubber seals that keep water out of the electronic chip inside 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 end up dying. Getting the fob wet is not an option however, if you drop it in a cup of water or fail to take it out of your pocket before you run the washing machine do not give up hope.

First, remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or a similar product. Next check the fob to check if it functions. If the key doesn't function then it might need to be changed. This is typically done by a dealer or professional auto locksmith.

If the key you have is older and has not been programmed for your vehicle it is necessary to replace it completely. A professional locksmith for automotive can complete this simple process. The locksmith will need the key to be cut to match the car's ignition. The locksmith will also have to reprogram the fob into the vehicle's system. This is a simple and cost-effective process that can usually be completed in the same day.

Receiver Module Issues

The 500 key fob could be inoperable because it's out of range. The remote has a range of 30 feet. So if you are too far away from your vehicle it will not respond to your commands. It's easy to remedy this by moving your remote closer to your vehicle until it responds.

If you've replaced the battery in your coin (commonly known as a "button" or "watch") and the fob won't work It could be because of an internal circuit board problem. Reprogramming the fob usually resolves this problem. You can find the instructions on how to do this for most vehicles by searching YouTube or consulting the owner's manual.

It is possible to replace the metal retaining clips that keep the battery of your coin in place. If they loose tension, it could prevent your coin battery from sitting properly and cause your remote to malfunction.

In rare instances the fob could be disconnected from your vehicle because of software or hardware issues. This can cause a major problem, but you can usually resolve this issue by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In some cases they might need to reinstall the software on your body control module, too.

Interference

Interference can also cause the key fob to not be able to receive or transmit signals. This could happen when the keyfob's location is in close proximity to a radio transmitter, like a cellphone or radar detector. The key fob could not function due to a poor connection with the buttons, water damage or damage to the internal chips.

If replacement key for fiat ducato van has stopped working one day out of the blue and you've tried everything you can at home to solve it e.g. You may have a faulty 500 receiver module if you've tried replacing the battery, reprogramming it, or using an alternative key fob. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset all on-board systems in your 500, including the key fob. Disconnect the battery 12 volt for about 15 minutes, by disconnecting the negative cable first then the positive cable. Then, reconnect the battery. This will remove any remaining electric current, and also restart the computer of your car. This can help get your key fob working again. If the issue persists you should seek out an experienced technician. They can determine the root of your problem.