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

A fiat doblo key 500 key fob is a great way to open the doors and begin the car. There are many reasons why the fob could stop working. It could be due to a dead battery damage to the receiver module, water issues, and interfering.

This listing is for an NEW replacement Fiat 500 key programming Flip Key Remote - similar to the Ilco brand that needs to be professionally programmed by a local automotive locksmith (click here for Locksmith Search). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob will not function is an inactive battery. Key fobs of today have limited operating range and must be within only a few inches from the vehicle to function. If you're not close to your vehicle and press the key fob button, the car won't respond and will display a "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 trusted brand like Panasonic, Duracell, or Energizer. They can be found in your local hardware store or on the internet.

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

If the fob's key doesn't work after replacing the battery, it might be damaged by water that blocks it from connecting to the receiver module in your car. Water damage can happen in a number of ways, from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, try placing it in a dry rice bag to draw the moisture out. If this does not work, you'll need to have your fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

The fob does have rubber seals that keep water from the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater is especially dangerous to the fob's circuit board, causing it to short out and eventually end up dying. Getting the fob wet is not an ideal choice however, if you drop it into an empty cup of water, or fail to remove it from your pocket before you run the washer, don't give up hope.

Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl, or a similar product. Then, test the fob to test if it works. If the key still doesn't work, it might need to be programmed again. This is usually handled by a dealer or professional auto locksmith.

If the key is newer and has never been programmed to your vehicle It is likely that it needs 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 vehicle's ignition. They'll also have to reprogram the fob for your vehicle's system. This is a fast and inexpensive process which can be completed within the same day.

Receiver Module Issues

One of the main reasons your 500 key fob may stop functioning is that it's out of range. The remote has a range of 30 feet, so when you're too far from your car it will not respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.

If your fob doesn't work after replacing the coin battery, also called a "button", "watch" or "button" it could be due to a problem with the circuit board inside. Reprogramming the fob usually resolves the issue. You can find instructions on how to do this for all vehicles by searching YouTube or consulting the owner's manual.

It is sometimes necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they loose tension, it can prevent the coin battery from sitting properly and could result in the malfunction of your remote.

In rare cases, the fob may become disconnected from your vehicle due to software or Fiat 500 Key Programming hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances, the software may also require reinstallation to your body control modules.

Interference

In addition to a dead battery on a coin, the key fob may not be able to receive or transmit signals due to interference. This is possible when the key fob is in proximity to the radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob might not function due to a bad connection to the buttons, water damage or damage to the internal chips.

If your key fob suddenly stopped working, or you've tried everything at home to resolve it (e.g. replacing the battery, reprogramming it and using the spare key fob, you could have a malfunctioning receiver module on your 500. The receiver module, located under the dashboard, is able to pick up radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

Luckily, there is an easy method of resetting every single system on board in your 500 keys, including the key fob. Disconnect the 12 volt battery for approximately 15 minutes by removing the negative cable first then the positive cable. Then, reconnect the battery. This will get rid of any residual electricity and restart the car's computer system, which could help get your key fob working again. If the issue continues you should speak with a certified technician. They will be able to identify the exact cause of issues.