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Reasons Your fiat replacement key 500 Key Fob Won't Work

A key fob for Fiat 500 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 an NEW replacement fiat key Fiat 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 frequent reason why the 500 key fob won't function is the battery is dead. Modern key fobs have a very limited operating range and must be within just a few feet of the vehicle to function. If you're far away from your vehicle, and you 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 you need to replace the battery of your coin-cell (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. They are available at the local hardware store or online.

You can test the coin-cell battery by pressing the buttons while standing near your fiat replacement fiat 500 key key (writes in the official Ecejoin blog) 500. The car will blink its parking lights and the key fob should work the lock and unlock buttons.

If the key fob doesn't work after replacing the battery, it may have water damage that stops it from connecting to the receiver module inside your car. Water damage can occur through a variety of methods, Fiat replacement key including the simple splash or submerging the key fob into saltwater at the beach. If you suspect your fob has been exposed to water, put it in a dry rice bag to draw the moisture out. If this doesn't work, your fob may need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

Water damage can occur when you immerse the fob into the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to become shorted and eventually fail. It's not good to get the fob wet however, don't give it up even if you accidentally drop the fob in water or fail to remove it from your pants pocket.

First remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl or a similar product. Check the fob again to see if it is functioning. If the key doesn't function then it might need to be changed. This is usually handled by an auto locksmith or dealer.

If the key is a newer model and hasn't been programmed to your vehicle, it will likely need to be replaced completely. A professional locksmith for cars can complete this simple process. The locksmith will require the key to be cut to match your car's ignition. The locksmith also needs to reprogram your fob in the car's system. This is a cheap and fast process that can be completed in the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob might stop working is that it's simply out of range. The remote has a range of 30 feet. Therefore, when you're too far from your vehicle it won't be able to respond to your commands. You can solve this problem by moving the remote closer to your car 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 have an internal circuit board problem. Reprogramming the fob usually resolves this issue. The instructions are available for the majority of vehicles on YouTube or in the owner's guide.

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

In rare instances the fob might become desync'd with your vehicle due to software or hardware issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations, they may need to reinstall the program in your body control module, as well.

Interference

In addition to a dead battery on a coin The key fob might not be able to receive or transmit signals due to interference. This could occur if 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 the key fob suddenly stopped working, without notice or after trying every option at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, it could have a malfunctioning receiver module on your 500. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. It transforms the signals into electronic commands, which are then read by the vehicle.

There's a quick and easy way to reset the 500's internal system including the keyfob. Disconnect the battery 12 volt for about 15 minutes, by taking off the negative cable first then the positive cable. Reconnect the battery. This will clear any residual electricity, and restart the computer of your car. This can help you get your key fob working again. If the issue continues, you should seek out an expert technician. They will be able to identify the root cause of your issues.