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Reasons Your fiat 500x key not detected 500 Key Fob Won't Work

A fiat key replacement 500 key fob makes it simple to open doors and start your car. There are a myriad of reasons the key fob might stop working. This could be due to a dead battery water damage, receiver modules issues, and interference.

This listing is for an NEW replacement fiat 500x key fob Flip Key Remote that is similar to the Ilco brand. It must be professionally programmed (click here to find local locksmiths in the automotive industry). It includes trunk, lock and unlock buttons.

Dead Coin Battery

The most frequent reason why the 500 key fob won't function is a dead battery. Modern key fobs operate with a limited range of operation, 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, simply replace the coin cell battery (Part number CR2032) by a new one from a trusted brand like Panasonic, Duracell, or Energizer. You can typically find them in your local hardware store or on the internet.

You can test the coin-cell battery by pressing the buttons while standing close to your fiat punto key Programming 500. The parking lights should blink and the key fob will operate the lock and unlock switch.

If the fob's key doesn't function after replacing the battery, it may be damaged by water that blocks it from communicating with the receiver module inside your car. Water damage can occur in a variety of ways, ranging from a light splash to submerging your fob in salt water at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to draw the moisture out. If this doesn't work, you will need to have your fob reprogrammed either by an auto locksmith or dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water from the electronic chip inside it, submerging it in 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 let the fob get wet but don't give up in the event that you accidentally drop it in water or fail to take it out of your pocket.

Take the battery off first. Before replacing the battery, clean the electronic chip with isopropyl or similar products. Next test the fob to check if it functions. If the key isn't working, it may have to be reprogrammed. This is usually done by a dealer or professional auto locksmith.

If the key is newer and hasn't been programmed to your car, it will likely need to be replaced completely. This is an easy process that can be completed by a professional automotive locksmith. The locksmith will require the key to be cut to match your vehicle's ignition. The locksmith will also have to reprogram your fob into the vehicle's system. This is a simple and cost-effective procedure that can usually be completed within the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob won't be working is because it's out of range. The remote has a maximum range of 30 feet, so if you are too far from your car it will not respond to your commands. It is possible to solve this problem by moving the remote closer to your car until it responds.

If your fob doesn't work after you replace the battery in the coin, also called a "button", "watch" or "button" it may be due to a malfunction on the circuit board inside. Reprogramming the fob is usually the solution to the issue. You can find the instructions on how to do this for all vehicles by searching YouTube or looking through the owner's manual.

It's possible that you need to replace the metal retaining clips that hold the battery of your coin in place. If they lose tension it may prevent your battery from being properly seated and cause your remote to malfunction.

In rare instances the fob could be desync'd with your vehicle because of software or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases it is possible that the software will require reinstallation into your body control modules.

Interference

In addition to a dead battery on a coin, the key fob may not be able to transmit or receive signals due to interference. This could occur if the key fob is located near radio transmitters (cell phones, radar detectors) or any other source of electromagnetic radiation. The key fob might not function because of a weak connection to the buttons water damage or damage to the internal chips.

If the key fob has suddenly stopped working, out of the blue or even after trying every option at home to fix it e.g. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming it, or using a spare fiat 500 key key fob. The receiver module, which is located under the dashboard, detects radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There is a simple way to reset the 500's internal system, including the keyfob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Then reconnect the battery. This will remove any remaining electric current, and also restart the car's computer. This could help you get your key fob to function again. If the problem persists, you should consult an expert technician. They can identify the root of any issues.