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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the Fiat 500 makes it easy to open doors and start your car. However, there are a variety of reasons why the key fob might stop functioning. These include a dead battery water damage, receiver module issues, and interfering.

This listing is for a NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It needs to be professionally programmed (click here to search for local automotive locksmiths). It comes with lock, unlock and trunk buttons.


Dead Coin Battery

The most frequent reason why your 500 key fob won't function is due to a dead battery. Modern key fobs come with a limited range of operation, and should be within just a few feet of the vehicle to function. If you are far from your vehicle, and you press the keyfob button, it won't respond and display the message "Key Fob Not Detected".

If this happens you need to replace the battery of your coin-cell (Part Number CR2032) by a fresh one from a reputable brand like Panasonic Duracell or Energizer. You can find them at the local hardware store or online.

You can test the coin-cell battery by pressing the buttons while you are standing close to your Fiat 500. The parking lights should blink and the key fob should operate the lock and unlock switches.

If the key fob won't function after replacing the battery, it may be damaged by water, which prevents it from connecting to the receiver module inside your car. Water damage can occur in a variety of ways, from small splashes to submerging the fob into salt water at the beach. If you suspect that your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If this fails, you'll have to get your fob reset by an auto locksmith or dealer.

Water Damage

The fob does have rubber seals that keep water out of the chip's electronic circuit it, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to become shorted and eventually die. It's not a good thing to get the fob wet however, don't give it up in the event that you accidentally drop it in water, or fail to remove it from your pants pocket.

First, remove the battery from the fob. Clean the electronic chip with isopropyl ethanol or a similar product and then dry it thoroughly before replacing the battery. Next try the fob and test if it works. If the key isn't working then it might need to be reprogrammed. This is typically done by a professional or dealer auto locksmith.

If the key is newer and hasn't been programmed to your car It will most likely need to be replaced completely. This is a simple process that can be completed by a professional automotive locksmith. The locksmith will require the key cut to match your car's ignition. They will also need to program the fob into the system of your car. car key cover fiat 500 is a quick and cost-effective process that is usually completed in the same day.

Receiver Module Issues

One of the main reasons why your 500 key fob might stop 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 car, it won't respond to your commands. It can be solved by moving it closer to your vehicle until it starts responding.

If your fob won't work after you replace the battery for the coin, also called a "button", "watch" or "button" it could be a problem with the circuit board inside. In most cases, reprogramming the fob will solve the problem. You can find the instructions for most vehicles on YouTube or in the owner's manual.

You may have to replace the metal clips that hold the coin battery. If they loose tension they could stop the coin battery from sitting properly and cause your remote to malfunction.

In rare cases the fob could be out of sync with your vehicle because of hardware or software issues. This could cause a significant problem, but you can frequently fix this issue by visiting a local dealer or auto locksmith to reprogram your fob. In some instances the software may require reinstallation in your body control modules.

Interference

In addition to a dead battery on a coin, the key fob may not be able to receive or transmit an signal due to interference. 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. Other reasons why the key fob might not work could be due to a weak connection to the buttons or damage to the internal chip or water damage.

If your key fob suddenly stopped working, or if you've tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, it could have a damaged receiver module on your 500. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It transforms the signals into electronic commands that are then translated by the vehicle.

Fortunately, there's an easy method to reset every single system on board in your 500, including 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 get rid of any residual electricity and restart the car's computer system, which could help get your key fob working again. If the issue continues, you should seek out an expert technician. They will be able to identify the root cause of your problem.

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