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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the fiat 500x key fob 500 makes it easy to open doors and start your car. However, there are a variety of reasons why the fob won't be working. These include a dead battery water damage, receiver module issues, and interfering.

This listing is for an NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It must be professionally programmed (click here to search for local locksmiths in the automotive industry). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason that the 500 key fob won't function is a dead battery. Key fobs of today have only a limited range of operation and must be within a few inches of your vehicle to function. If you are not within your vehicle and press the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) by a brand new one of a reliable 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 car key cutting 500 and pressing the buttons. The car should blink its parking lights and the key fob should operate the lock and unlock switches.

If your key fob still does not work after replacing the battery, it may be water damage that prevents it from connecting to the module in your vehicle. Water damage can occur in a variety of ways, ranging from an accidental splash how to open fiat 500 boot without key submerging your fob in salt water 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 that doesn't work, your fob will probably need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean, or wash it in a machine. Saltwater can cause the circuit board to short and eventually die. The fob getting wet is not an ideal idea but if you accidentally drop it in a cup of water or do not remember to remove it from your pants pocket before running the washer do not give up hope.

First remove the battery from the fob. Clean the electronic chip using isopropyl ethanol or a similar product and then dry it thoroughly before replacing the battery. Next try the fob and verify if it is working. If the key doesn't function then it might need to be reset. This is usually done by an auto locksmith or dealer.

If the key is more recent and has never been programmed to your car, it will likely need to be replaced completely. A professional automotive locksmith can complete this simple process. The locksmith needs to cut the key to match the ignition in your vehicle. The locksmith will also need to reprogram your fob into the car's system. This is an affordable and quick process that can be completed within the same day.

Receiver Module Issues

Your 500 key fob might stop working because it is out of range. The remote has a range of 30 feet, so if you are too far from your vehicle it won't be able to respond to your commands. You can easily fix this by moving the remote closer to your vehicle until it responds.

If you've replaced the coin battery (commonly called"button" or "button" or "watch") and the fob won't work, it could have an internal circuit board problem. In most cases, reprogramming the fob can resolve the problem. You can find the instructions for most vehicles on YouTube or in the owner's manual.

You may have to replace the metal retaining clips that keep the battery of your coin in place. If they loose tension, it could prevent the coin battery from sitting properly and could cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle due to software issues or hardware issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In some cases the software may 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 the signal due to interference. This could occur if the key fob is located near radio transmitters (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob could not function because of a weak connection to the buttons or water damage, or damage to the internal chips.

If the key fob been unable to function for a while out of the blue, or after trying everything you can at home to resolve it e.g. replacing batteries, reprogramming or using the spare key fob, you may have a defective receiver module on your 500. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

There is a straightforward method to reset the 500's on-board system including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable, then the positive cable. Then, reconnect the battery. This will eliminate any residual electricity and restart the car's computers. This can help you get your key fob working again. If the problem persists it is recommended that you consult an expert technician. They will be able to diagnose the exact cause of your problem.