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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat 500 replacement remote Key cost 500 allows you to easily open doors and start your vehicle. There are many reasons the key fob might stop working. These include a dead battery, damage to the receiver module, water issues, or interference.

This listing is for an NEW replacement fiat 500 car key Flip Key Remote - similar to the Ilco brand that needs to be professionally programmed by a local automotive locksmith (click here for Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob won't function is the battery is dead. Modern key fobs have a limited operating range and should be within some feet of the vehicle to operate. If you're not close to your vehicle and press the key fob button, the car won't 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) with a new one from a trusted brand like Panasonic, Duracell, or Energizer. You can typically find them at your local hardware store or online.

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

If the key fob won't function after replacing the battery, it might be damaged by water that blocks it from communicating with the receiver module in your car. Water damage can occur in a variety of ways, from the slightest splash to submerging the fob salt water at the beach. If you suspect that your fob was exposed to water, you can try placing it in a dry rice bag to draw the moisture out. If this doesn't work, you will have to get your fob changed by an auto locksmith or a dealer.

Water Damage

Water damage can occur when you submerge the fob in the ocean or wash it in a washer. Saltwater can be particularly harmful to the fob's circuit board and can cause it to short out and eventually end up dying. It's not a good thing to let the fob get wet however, don't give it up if you accidentally drop it in water or fail to take it out of your pants pocket.

First take the battery off the fob. Before replacing the battery clean the electronic chip using isopropyl, or a similar product. Then try the fob and test if it works. If the key does not function, it may have to be reprogrammed. This is usually handled by a dealer or professional auto locksmith.

If your key is old and has not been programmed to work with your vehicle You will need to replace it completely. A professional locksmith for cars can carry out this simple task. The locksmith needs to cut the key to match the ignition of your car. The locksmith will also need to program your fob into the vehicle's system. It's a simple and inexpensive process that is usually completed on the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob won't be working is that it's simply out of range. The remote usually has an area of 30 feet or less, and if it's too far away from your car it will not respond to your commands. It is possible to remedy this by moving your remote closer to your vehicle until it responds.

If your fob doesn't work after replacing the battery inside the coin, which is also called a "button", "watch" or "button" it may be due to a malfunction on the circuit board inside. In most cases, reprogramming the fob will fix the issue. There are instructions on how to do this on the majority of automobiles by searching YouTube or checking out the owner's manual.

It may be necessary to replace the metal clips that hold the coin batteries in place. If they lose tension, it can prevent your coin battery from being properly seated, causing your remote to malfunction.

In rare cases the fob could be disconnected from your vehicle due to software or hardware issues. This can be a major problem, but you can often fix this by visiting a local dealer or auto locksmith to reprogram your fob for you. In certain situations, they may need to reinstall the software on your body control module, as well.

Interference

Interference can also cause the key fob to be unable to receive or transmit a signal. This could happen if the key fob is located near radio transmitters (cell phones or radar detectors) or any other source of electromagnetic radiation. The key fob may not function because of a problem to the buttons or water damage, or damage to the internal chips.

If your key fob suddenly stopped working, or if you have tried everything at home to resolve it (e.g. replacing batteries, reprogramming or using the spare key fob, it could have a faulty receiver module on your 500. The receiver module, which is located beneath the dashboard, picks up radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.

There's a quick and easy way to reset the 500's on-board system, including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Then reconnect the battery. This will clear any residual electricity, and restart the computer in your car. This will help you get your key fob to function again. If the issue persists you should seek out an expert technician. They will be able to determine the exact cause of your problem.