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Reasons Your Lost Fiat 500 car Key 500 Key Fob Won't Work

A fiat ducato key fob replacement 500 key fob is a convenient method to open the doors and start the car. However, there are a variety of reasons why the fob may stop functioning. It could be due to a dead battery water damage, receiver module problems, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote - an exact replica of the Ilco brand that must be programmed professionally by a local automotive locksmith (click here to search for a Locksmith Search). It includes trunk, lock and unlock buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob will not function is the battery is dead. Key fobs of today have limited operating range and must be within a few inches of your vehicle to work. If you are far from your vehicle and 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, replace the coin cell battery (Part number CR2032) with a brand new one from a reliable brand such as Panasonic, Duracell, or Energizer. You can usually find them in your local hardware store or online.

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 light up and the key fob should operate the lock and unlock switch.

If your key fob isn't working even after replacing the battery, it could be water damage that prevents it from communicating with the module in your vehicle. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob saltwater at the beach. If you suspect that your fob has been exposed to water, place it in a rice bag to draw out the moisture. If this does not work, you'll need to have your fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

Although the fob is equipped with rubber seals to keep water from the chip's electronic circuit the device, submerging it into 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 idea to let the fob get wet however, don't give it up when you accidentally drop it in water or forget to take it out of your pocket.

First, remove the battery. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Then test the fob to verify if it is working. If the key doesn't work, it may have to be changed. This is usually handled by a professional or dealer auto locksmith.

If the key is older and has never been programmed to your car it is likely to need to be replaced completely. A professional locksmith for automotive will be able to complete this process. The locksmith will have to cut the key to match the ignition of your vehicle. The locksmith also needs to reprogram the fob into the car's system. This is a simple and cost-effective process that can be completed in the same day.

Receiver Module Issues

The 500 key fob you have may not function because it's out of range. The remote usually has a range of 30 feet or less, and if it's too far from your car, it won't respond to your commands. This can be easily fixed by moving it closer to your vehicle until it starts responding.

If you've replaced the coin battery (commonly known as a "button" or "watch") and your fob doesn't function, it could have an internal circuit board problem. In most cases, reprogramming the fob will resolve this issue. You can find instructions on how to do this on the majority of automobiles by searching YouTube or looking through the owner's manual.

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

In rare cases the fob can become out of connection with your vehicle as a result of hardware or software problems. This could be a huge problem, but you can usually resolve this issue by visiting a local dealer or auto locksmith to reprogram your fob for you. In some instances, they may need to reinstall the software in your body control module too.

Interference

In addition to a dead battery on a coin, the key fob may not be receiving or transmitting signals due to interference. This could happen when the keyfob's location is in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons the key fob might not work include a poor connection to the buttons or damage to the internal chip, or water damage.

If the key fob has been unable to function for a while suddenly or after trying every option at home to solve it e.g. battery replacement, reprogramming and using the spare car key fiat 500 key fob, you could have a defective 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 the signals into electronic commands which are then read by the vehicle.

There is a simple way to reset the 500's in-board system, including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Then, reconnect the battery. This will get rid of any remaining electricity and restart the car's computers, which could allow you to get your key fob working again. If the problem persists you should speak with an experienced technician. They can identify the root cause of your issues.