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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a great way to unlock the doors and start the car. There are many reasons why the key fob might stop working. This includes a dead coin-battery water damage, problems with the receiver modules, and interference.

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Dead Coin Battery

A dead battery is probably the most common reason for your 500 key fob being inoperative. Modern key fobs offer a limited range of operation and must be within just a few inches of the vehicle in order to work. If you're far away from your vehicle when you press the key fob button the car will not respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin cell battery (Part number CR2032) by a new one from a trusted brand such as Panasonic, Duracell, or Energizer. They are usually available at your local hardware store, or online.

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

If your key fob still isn't working even after replacing the battery, there may be water damage which has prevented it from communicating with the module inside your vehicle. Water damage can occur in a variety of ways, such as simply splashing or submerging your key fob in saltwater 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 does not work, you'll have to get your fob replaced by an auto locksmith or a dealer.

Water Damage

Water damage can occur if you immerse the fob into the ocean or wash it in a washing machine. Saltwater is particularly dangerous to the circuit board of the fob, causing it to short out and eventually end up dying. The fob getting wet is not an ideal idea but if you drop it in an empty cup of water, or do not remember to take it out of your pants pocket prior to running the washing machine, don't give up hope.

First, remove the battery from the fob. Clean the electronic chip using isopropyl alcohol or a similar product and then dry it completely before replacing the battery. Check the fob again to determine if it's working. If the key doesn't function, it may have to be changed. This is usually done by a dealer or professional auto locksmith.

If your key is a bit older and not programmed for your car You will need to replace it completely. This is a simple process that can be handled by a professional automotive locksmith. The locksmith must cut the key to match the ignition of your car. They'll also need to reprogram the fob in the system of your car. This is a low-cost and quick process that can be completed within the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob could stop working is because it's out of range. The remote usually has an operating range of 30 feet or less and if it's 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 car until it responds.

If your fob isn't working after you replace the battery in the coin, 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 issue. There are instructions on how to do this for most vehicles by searching YouTube or reading the owner's manual.

It is possible to replace the metal clips that hold the coin batteries in place. If they lose tension, they could stop the coin battery from being properly seated and could cause your remote to malfunction.

In rare cases the fob might be out of sync with your vehicle because of software or hardware problems. You can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In fiat 500 spare key may have to reinstall the software in your body control module, too.

Interference

Interference can also cause the key fob to be unable to receive or transmit a signal. This could occur if the keyfob is in close proximity to a radio transmitter, like a cellphone or radar detector. The key fob could not function because of a problem with the buttons water damage or damage to the internal chips.

If the key fob been unable to function for a while without notice and you've tried every option at home to fix it e.g. replacing the battery, reprogramming, and using the spare key fob, you might have a malfunctioning 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 converts the signals into electronic commands, which are then processed by the vehicle.

There's a quick and easy way to reset the 500's in-board system including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electrical charge and restart the car's computers, which can help the key fob to function again. If the issue persists, you should consult a certified technician. They'll be able determine the exact cause of your issues.

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Pub: 25 Apr 2024 05:20 UTC
Views: 41