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Reasons Your fiat keys 500 Key Fob Won't Work

A key fob with the fiat panda key replacement 500 number is a convenient way to unlock the doors and start the car. However, there are numerous reasons why the fob won't be working. This includes a dead battery or water damage, problems with the receiver modules, and interference.

This listing is for an NEW replacement fiat 500 Spare key Cost Flip Key Remote that appears similar to the Ilco brand. It must be professionally programmed (click here to search for local automotive locksmiths). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob will not function is due to a dead battery. Modern key fobs come with a limited operating range and must be within some feet of the vehicle in order to function. If you are far from your vehicle and press the key fob button the car won't be able to respond, and will display the "Key Fob Not Detected" message in the instrument cluster.

If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) by a brand new one of a trusted brand such as Panasonic Duracell or Energizer. They are available at the local hardware store or online.

After you've replaced the coin cell battery you can test it by standing near your Fiat 500 and pressing the buttons. The car will flash its parking lights, and the key fob will operate the lock and unlock switches.

If the fob's remote doesn't work after replacing the battery, it might have water damage that stops it from communicating with the receiver module inside your vehicle. Water damage can happen in a variety of ways, such as the simple splash or submerging the key fob in saltwater at the beach. If you suspect that your fob was exposed to water, put it in a rice bag to draw out the moisture. If this doesn't work, you will need to have your fob changed by an auto locksmith or dealer.

Water Damage

Although the fob is equipped 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 is particularly dangerous to the circuit board of the fob and can cause it to short out and eventually end up dying. It's not good to submerge the fob in water however, but don't give it up if you accidentally drop it in water, or fail to remove it from your pocket.

First, remove the battery from the fob. Clean the electronic chip with isopropyl ethanol or a similar product and then dry it completely before replacing the battery. Next try the fob and test if it works. If the key doesn't function it could need to be changed. This is typically done by a professional or dealer auto locksmith.

If your key is older and is not programmed for your vehicle You will need to replace it completely. This is an easy process which can be accomplished by a professional locksmith for automotive use. The locksmith will need the key cut to match your vehicle's ignition. They'll also have to reprogram the fob in the system of your car. This is a fast and inexpensive process that is usually completed within the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote has a range of 30 feet. So should you be too far away from your vehicle it won't be able to respond to your commands. It is possible to solve this issue by moving the remote closer to your car until it responds.

If your fob won't work after replacing the coin battery, also called a "button", "watch" or "button", it could be a problem with the internal circuit board. In most cases, reprogramming the fob will fix the problem. The instructions are available for the majority of vehicles on YouTube or in the owner's guide.

You may need to replace the metal retaining clips that hold the coin battery in place. If they loose tension, it may prevent your battery from being properly seated, causing your remote to malfunction.

In rare cases the fob could be disconnected from your vehicle because of software 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. In some cases, they may need to reinstall the software in your body control module, as well.

Interference

Interference can also cause the key fob to not be able to receive or transmit an signal. This could happen if the key fob is located near the radio transmitter (cell phones, radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob could not function may be a lack of connection to the buttons or damage to the internal chip, or water damage.

If the key fob failed to work one day without notice, or after trying every option at home to resolve it e.g. battery replacement, reprogramming and using the spare key fob, it could have a malfunctioning receiver module on your 500. The receiver module, located under the dashboard, receives radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

There is a simple way to reset the 500's onboard system, including the keyfob. Disconnect the battery of 12 volts for about 15 minutes by removing the negative cable first then the positive cable. Reconnect the battery. This will clear any residual electricity, and restart the car's computer. This can help you get your key fob to function again. If the issue continues, you should consult an expert certified technician. They can determine the root of your issues.