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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a convenient way to unlock the doors and get started the car. However, there are a variety of reasons why the fob may stop working. It could be due to a dead battery, water damage, receiver module issues, and interference.

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

Dead Coin Battery

A dead battery is the most frequent cause of your 500 key fob that isn't working. Modern key fobs only have an operating range that is limited and must be within only a few inches from the vehicle to work. If you're far from your car and press the keyfob button, it won't respond and display the message "Key Fob Not Detected".

If this happens, simply replace the battery on your coin cell (Part number CR2032) with a fresh one from a reputable manufacturer such as Panasonic, Duracell, or Energizer. You can find them in the local hardware store or on the internet.

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

If your key fob still isn't working even after replacing the battery, it could be water damage that prevents it from interacting with the module in your vehicle. Water damage can occur in a variety of ways, from a light splash to submerging your fob in salt water at the beach. If you suspect that your fob has been exposed to water, you can place it in a bag of rice to draw out the moisture. If this isn't working, you'll need to have your fob replaced by an auto locksmith or a dealer.

Water Damage

Water damage can happen if you submerge the fob in the ocean, or wash it in a washer. Saltwater poses a particular risk to the fob's circuit board and can cause it to short out and eventually end up dying. The fob getting wet is not an ideal choice however, if you drop it into a cup of water or don't remember to remove it from your pants pocket prior to running the washer, don't give up hope.

First, remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or similar products. Next check the fob to see if it works. If the key does not work, it may need to be programmed again. This is usually handled by an auto locksmith or dealer.

If your key is older and has not been programmed for your car then you'll need to replace it completely. A professional locksmith for automotive can complete this simple process. The locksmith will require the key cut to match the car's ignition. They will also need to reprogram the fob in your car's system. This is a cost-effective and fast process that can be completed on the same day.

Receiver Module Issues

The 500 key fob you have may not function because it's out of range. The remote has a maximum range of 30 feet, so should you be too far from your car it will not respond to your commands. It's easy to solve this issue by moving the remote closer to your vehicle until it responds.

If your fob isn't working after you replace the coin battery, also called a "button", "watch" or "button" It could be due to a problem with the internal circuit board. Reprogramming your fob can resolve this problem. You can find the steps for the majority of vehicles on YouTube or in the owner's guide.

It is possible to replace the metal retaining clips that hold the coin battery in place. If they loose tension, it could prevent your coin battery from being properly seated, causing your remote to malfunction.

In rare cases it is possible that the fob will become disconnected from your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances the software might require reinstallation in 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 a signal due to interference. This is possible when the key fob is near radio transmitters (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob may not work because of a weak connection to the buttons or water damage, or damage to the internal chips.

If the key fob has stopped working one day suddenly or even after trying everything you can do at home to resolve it e.g. replacing the battery, reprogramming, and using the spare key fob, you may have a defective receiver module on your 500. fiat 500 keys , which is located under the dashboard, picks up radio frequency signals from your key fob. It transforms the signals into electronic commands, which are then processed by the vehicle.

Fortunately, there's an easy method to reset all of the on-board systems in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computer system, which can help you the key fob to function again. If the issue continues, you should consult an expert certified technician. They can identify the root cause of your problems.