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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for fiat red key 500 makes it simple to open doors and start your vehicle. However, there are many reasons why the fob won't be working. This could be due to a dead battery, water damage, receiver modules issues, and interference.

This listing is for a NEW replacement fiat 500 key fob Fiat panda key Fob replacement Flip Key Remote that looks like the Ilco brand. It has to be professionally programmed (click here to find local locksmiths in the automotive industry). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob that isn't working. Modern key fobs offer limited operating range and must be within only a few inches from the vehicle to work. If you are far from your car and hit the keyfob, it won't respond and display the message "Key Fob Not Detected".

If this occurs then replace the battery for your coin-cell (Part Number CR2032) by a brand new one of a trusted brand such as Panasonic Duracell or Energizer. You can typically find them at your local hardware store or on the internet.

You can test the battery of your coin-cell by pressing the buttons while standing near your fiat grande punto key 500. The parking lights should light up and the key fob should operate the lock and unlock switches.

If the fob's key doesn't work after replacing the battery, it could be damaged by water, which prevents it from connecting to the receiver module in your car key cover fiat 500. Water damage can occur in a variety of ways, ranging from the slightest splash to submerging the fob into salt water at the beach. If you suspect that your fob was exposed to water, put it in a dry rice bag to pull the moisture back out. If this does not work, you'll need to have your fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

Water damage can happen if you immerse the fob in the ocean or wash it in a washer. Saltwater can cause the circuit board to short and eventually end up dying. It's not good to soak the fob in water but don't give up even if you accidentally drop the fob in water, or fail to remove it from your pocket.

First, remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl or similar products. Test the fob afterward to verify if it's working. If the key does not function then it might need to be programmed again. This is typically handled by a professional or dealer auto locksmith.

If your key is a bit older and is not programmed for your vehicle it is necessary to replace it completely. This is a simple procedure which can be accomplished by a professional locksmith for automotive use. The locksmith will need the key cut to match your vehicle's ignition. They'll also have to reprogram the fob for the system of your car. This is a quick and affordable process that is usually completed on the next 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 typically has an operating range of 30 feet or less and if it's far away from your car it will not respond to your commands. You can easily solve this issue by moving the remote closer to your vehicle until it responds.

If your fob does not work after you replace the coin battery, also known as a "button", "watch" or "button" It could be a problem with the circuit board inside. In most cases, reprogramming the fob will resolve this problem. The instructions are available for the majority of vehicles on YouTube or in the owner's guide.

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

In rare instances, the fob may be out of sync with your vehicle because due to hardware or software issues. This can be a major headache, but you can usually resolve this issue by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In some cases it is possible that the software will require reinstallation into your body control modules.

Interference

In addition to a dead coin battery, the key fob may not be able to transmit or receive the signal due to interference. This is possible when the key fob is near radio transmitters (cell phones or radar detectors) or any other source of electromagnetic radiation. Other reasons why the key fob might not work could be due to a weak connection to the buttons and internal chip, or water damage.

If the key fob has been unable to function for a while suddenly or even after trying every option at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, you could have a faulty receiver module on your 500. The receiver module is situated under the dash and picks up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.

There's a quick and easy way 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. Reconnect the battery. This will remove any remaining electricity, and allow you to restart the car's computer. This could help you get your key fob to work again. If the problem persists you should seek out an expert certified technician. They will be able to identify the exact cause of problems.