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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a handy way to unlock the doors and get started the car. However, there are fiat replacement key why the fob may stop functioning. These include a dead coin battery, water damage, receiver module issues, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to find local automotive locksmiths). This remote includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the most common reason for your 500 key fob not functioning. Modern key fobs have a limited range of operation and must be within a few inches of your vehicle to work. If you are far from your vehicle when you press the key fob button, the car won't respond and will display an "Key Fob Not Detected" message in the instrument cluster.

If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) with a new battery of a trusted brand like Panasonic Duracell or Energizer. They are usually available at your local hardware store, or online.

After you've replaced the battery of your coin cell You can test it by standing close to your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob will operate the lock and unlock switch.

If your key fob still doesn't work even after replacing the battery, it may be water damage which is preventing it from interacting with the module in your vehicle. Water damage can occur in a variety of ways, ranging from an accidental splash to submerging the fob in 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 out. If that doesn't work your fob is likely to require reprogramming by an experienced locksmith or dealer.

Water Damage

While the fob has some rubber seals that keep water from the electronic chip inside, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually end up dying. It's not a good idea to get the fob wet however, don't give it up even if you accidentally drop the fob in the water or don't take it out of your pocket.

Remove the battery first. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Then test the fob to test if it works. If the key still doesn't work, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key is more recent and hasn't been programmed to your vehicle, it will likely need to be replaced completely. This is a simple process which can be accomplished by a professional automotive locksmith. The locksmith needs to cut the key to match the ignition of your vehicle. They will also need to reprogram the fob in your vehicle's system. This is a cost-effective and quick procedure that can be completed the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob may stop functioning is that it's out of range. The remote usually has a range of 30 feet or less, and if it's too far away from your car it will not respond to your commands. It's easy to remedy this by moving your remote closer to your car until it responds.

If your fob won't work after replacing the battery for the coin, also known as a "button", "watch" or "button" it could be due to an issue with the internal circuit board. In the majority of cases, reprogramming your fob will solve the problem. You can find the instructions for most vehicles on YouTube or in the owner's guide.

You may have to replace the metal clips that hold the coin battery in place. If they loose tension, it can stop your coin battery from being properly seated, causing your remote to malfunction.

In rare cases the fob could 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 certain instances it may be necessary to reinstall the software on your body control module as well.

Interference

In addition to a dead battery on a coin The key fob may not be able to transmit or receive a signal due to interference. This could happen when the keyfob's location is in close proximity to a radio transmitter like a cell phone or radar detector. Other reasons why the key fob could not function include a weak connection to the buttons or the internal chip or water damage.

If the key fob stopped working one day suddenly and you've tried every option 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 a spare key fob. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's in-board system including the keyfob. Disconnect the battery of 12 volts for about 15 minutes by taking off the negative cable first then the positive cable. Then, reconnect the battery. This will clear out any remaining electricity and restart the car's computers. This could help the key fob to function again. If the problem persists you should speak with an expert technician. They will be able to determine the root cause of any issues.

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Pub: 27 Mar 2024 15:32 UTC
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