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Reasons Your Fiat 500 Key Fob Won't Work
A Fiat 500 key fob makes it easy to open doors and start your car. However, there are a variety of reasons why the fob won't be working. This includes a dead battery water damage, problems with the receiver modules, and interference.
This listing is for an NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It has to be professionally programmed (click here to search for local automotive locksmiths). This remote includes lock, unlock and trunk buttons.
Dead Coin Battery
The most frequent reason that the 500 key fob won't function is due to the battery is dead. Modern key fobs have a limited operating range and should be within just a few feet of the vehicle to function. If you're not close to your vehicle and you press the key fob button the car won't respond and will display the "Key Fob Not Detected" message in the instrument cluster.
If this occurs, replace the coin-cell battery (Part Number CR2032) by a brand new one of a reputable brand like Panasonic Duracell or Energizer. You can find them in your local hardware store or online.
You can test the battery on your coin-cell by pressing the buttons while standing close to your Fiat 500. The parking lights should flash and the key fob will operate the lock and unlock switch.
If the fob's remote doesn't function after replacing the battery, it may have water damage that prevents it from connecting to the receiver module in your vehicle. Water damage can occur through a variety of methods, including a simple splash or submerging the key fob in saltwater at the beach. If you suspect that your fob was exposed to water, place it in a bag of rice to draw out the moisture. If this does not work, you'll need to have the fob changed by an auto locksmith or dealer.
Water Damage
While the fob has some rubber seals to keep water from the electronic chip inside, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater is especially dangerous to the fob's circuit board and can cause it to short out and eventually end up dying. It's not good to let the fob get wet however, don't give it up when you accidentally drop it in the water or don't remove it from your pocket.
First, remove the battery. Clean the electronic chip with isopropyl alcohol or another similar product and dry it completely before replacing the battery. Next test the fob to test if it works. If the key does not function it could need to be programmed again. This is typically handled by a dealer or professional auto locksmith.
If your key is a bit older and not programmed to work with your vehicle, you will need to replace it completely. This is a simple procedure that can be handled by a professional locksmith for automotive use. The locksmith needs to cut the key to match the ignition of your car. The locksmith will also need to reprogram your fob in the car's system. This is a cost-effective and quick process that could be completed on the same day.
Receiver Module Issues
One of the most common reasons why your 500 key fob might stop functioning is that it's out of range. The remote's range is of 30 feet. So if you are too far from your vehicle it won't be able to respond to your commands. This can be fixed by moving closer to your vehicle until it starts responding.
If you've replaced the battery in your coin (commonly known as a "button" or "watch") and your fob still won't work it could be due to an internal circuit board issue. Reprogramming the fob typically resolves this issue. You can find the instructions for most vehicles on YouTube or in the owner's guide.
You may have to replace the metal clips that hold the coin battery in place. If they loose tension, it could prevent the battery from being seated properly and can result in the malfunction of your remote.
In rare cases the fob can become out of alignment with your vehicle because of hardware or software problems. You can fix this problem by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances it may be necessary to reinstall the software in your body control module as well.
Interference
In addition to a dead battery on a coin, the key fob may not be receiving or transmitting an signal due to interference. fiat ducato replacement key is possible when the key fob is in proximity to radio transmitters (cell phones and radar detectors) or another source of electromagnetic radiation. Other reasons the key fob may not function include a weak connection to the buttons, damage to the internal chip, or water damage.
If your key fob suddenly stopped working, or you've tried everything at home to solve the issue (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 picks up the radio frequency signals from the key fob. It converts the signals into electronic commands which are then read by the vehicle.
Fortunately, there's an easy method of resetting all on-board systems in your 500 and include the key fob. Disconnect the 12 volt battery for approximately 15 minutes by taking off the negative cable first then the positive cable. Then, reconnect the battery. This will clear any residual electricity, and restart the computer in your car. This can help get your key fob working again. If the issue continues, you should seek the advice of an expert technician. They'll be able determine the root of your problem.