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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 is a convenient method to unlock the doors and get started the car. There are a myriad of reasons the fob could stop working. This includes a dead battery and water damage, as well as receiver modules issues, and interference.

This listing is for an NEW replacement fiat 500 spare key cut Flip Key Remote that appears similar to the Ilco brand. It needs to be professionally programmed (click here to find local locksmiths for your vehicle). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most common reason your 500 key fob won't work is an inactive battery. Modern key fobs offer a limited range of operation and must be within only a few inches from the vehicle in order to function. If you are far from your vehicle, and you push the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) by a fresh one of a trusted brand like Panasonic Duracell or Energizer. They are typically available locked keys in fiat 500 your local hardware store or on the internet.

You can test the battery in the coin-cell by pressing the buttons while you're standing close to your fiat panda key 500. The parking lights will flash and the key fob will operate the lock and unlock switches.

If the fob's key doesn't function after replacing the battery, it may be damaged by water, which prevents it from communicating with the receiver module inside your car. Water damage can occur in a number of ways, ranging from a light 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 rice bag to draw out the moisture. If this doesn't work, the fob might need to be reprogrammed by an experienced locksmith or dealer.

Water Damage

Damage to the water supply can occur if you submerge the fob in the ocean or wash it in a machine. Saltwater can cause the circuit board to short and eventually fail. If you get the fob wet, it's not an ideal idea but if you accidentally drop it into the water in a cup or do not remember to remove it from your pants pocket prior to running the washer and you don't have a chance, don't give in.

First take the battery off the fob. Clean the electronic chip using isopropyl or a similar product and dry it completely before replacing the battery. Check the fob again to see if it is working. If the key does not work, it might need to be reprogrammed. This is usually done by an auto locksmith or dealer.

If your key is a bit older and has not been programmed for your vehicle it is necessary to replace it completely. A professional locksmith for cars can do this job. The locksmith will require the key to be cut to match your vehicle's ignition. They'll also have to program the fob into your car's system. This is an affordable and quick procedure that can be completed the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob won't be working is because it's out of range. The remote typically has 30 feet of range or less, and if it's too far from your vehicle, it won't respond to your commands. This can easily be resolved by moving it closer to your vehicle until it starts responding.

If you've replaced your coin battery (commonly called a "button" or "watch") and your fob still won't work It could be because of an internal circuit board problem. In the majority of cases, reprogramming your fob can resolve the problem. You can find the steps for most vehicles on YouTube or in the owner's guide.

It's possible that you need to replace the metal clips that keep the coin battery. If they loose tension, it could prevent your coin battery from being properly seated and cause your remote to malfunction.

In rare instances, the fob may become desync'd with your vehicle because of software or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances the software may need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit an signal. This is possible when the key fob is in proximity to a radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. The key fob could not work due to a poor 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. It could be a defective 500 receiver module If you've tried replacing it with a battery, reprogramming, or using an alternative key fob. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. It converts the signals into electronic commands that are then translated by the vehicle.

Fortunately, there's an easy way to reset all of the on-board systems in your 500 device, including the key fob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Then reconnect the battery. This will remove any residual electricity and restart the car's computer system, which could allow you to get your key fob working again. If the issue persists, you should seek out an expert technician. They will be able diagnose the root cause of any issues.