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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob allows you to easily open doors and start your vehicle. There are a myriad of reasons the fob won't work. These include a dead battery damage to the receiver module, issues, or interference.

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Dead Coin Battery

The most common reason your 500 key fob will not function is an inactive battery. Modern key fobs have a very limited operating range, and must be within just a few feet of the vehicle to function. If you are far from your vehicle, and you press the key fob button, the car won't be able to respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this occurs then replace the battery for your coin-cell (Part Number CR2032) by a fresh one of a trusted brand like Panasonic Duracell or Energizer. You can usually find them at your local hardware store, or online.

After you've changed the battery on the coin cell You can test it by standing in front of your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob should operate the lock and unlock switches.

If your fob's key isn't working after replacing the battery, it might be water damage that is preventing it from connecting to the module in your vehicle. Water damage can happen in a number of ways, from an accidental splash to submerging the fob into salt water at the beach. If you think your fob was exposed to water, place it in a rice bag to draw out the moisture. If this does not work, you'll have to get your fob changed by an auto locksmith or dealer.

Water Damage

Water damage can occur when you submerge the fob in the ocean or wash it in a machine. Saltwater poses a particular risk to the circuit board of the fob that can cause it to short out and eventually end up dying. It's not a good idea to let the fob get wet however, but don't give it up if you accidentally drop it in water or fail to take it out of your pocket.

First, remove the battery from the fob. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Next check the fob to test if it works. If the key doesn't function, it may need to be reset. This is usually handled by a dealer or professional auto locksmith.

If the key is more recent and has not been programmed to your car It is likely that it needs to be replaced completely. This is a simple procedure that can be carried out by a professional automotive locksmith. The locksmith will require the key cut to match the car's ignition. The locksmith also needs to program your fob into the car's system. This is a simple and cost-effective procedure that can be completed within the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob won't be working is because it's out of range. The remote typically has an operating range of 30 feet or less, and if it's too far from your vehicle, it will not respond to your commands. It can be solved by moving it closer to your vehicle until it starts responding.

If your fob does not work after replacing the battery in the coin, also known as a "button", "watch" or "button" or "button", it may be due to a malfunction on the circuit board inside. In the majority of cases, reprogramming your fob will fix the issue. You can find instructions on how to do this for all automobiles by searching YouTube or reading the owner's manual.

It is sometimes necessary to replace the clips made of metal that hold the coin batteries in their place. If they loose tension, it can stop your coin battery from sitting properly and cause your remote to malfunction.

In rare cases the fob might be out of alignment with your vehicle because of hardware or software problems. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases, the software may also require reinstallation to your body control modules.

Interference

Interference can also cause the key fob to be unable to receive or transmit signals. This can occur when the key fob is in close proximity to a radio transmitter like a cell phone or radar detector. fiat 500 keys might not work due to a bad connection with the buttons, water damage or damage to the internal chips.

If your key fob suddenly stopped working, or you have tried everything at home to fix it (e.g. replacing batteries, reprogramming or using the spare key fob, you could 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. It converts the signals into electronic commands, which are then translated by the vehicle.

There's a quick and easy way to reset the 500's internal system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity and restart the car's computers. This can help get your key fob working again. If the issue persists, you should seek the advice of an expert technician. They can determine the root of your issues.