Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 is a convenient method to unlock the doors and start the car. However, there are a variety of reasons the fob could stop functioning. This could be due to a dead coin battery or damaged receiver module, water damage issues, and interfering.

This listing is for an NEW replacement fiat 500 key fob (gwwa.yodev.net post to a company blog) Fiat Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to find local locksmiths for your vehicle). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the most frequent cause of your 500 key fob not functioning. Modern key fobs have a very limited operating range, and should be within just a few feet of the vehicle to operate. If you are far from your vehicle and you press the key fob button, the car won't respond and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin-cell battery (Part Number CR2032) by a fresh one from a reputable brand such as Panasonic Duracell or Energizer. You can find them in your local hardware store, or on the internet.

You can test the battery on your coin-cell by pressing the buttons while standing near your Fiat 500. The car should flash its parking lights, and the key fob will operate the lock and unlock buttons.

If the key fob doesn't work after replacing the battery, it could 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 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 will probably need to be reprogrammed by a professional auto locksmith or by the dealer.

Water Damage

Water damage can occur if you immerse the fob into the ocean or wash it in a washer. Saltwater can be particularly harmful to the circuit board of the fob, causing it to short out and eventually end up dying. 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 take it out of your pocket.

First take the battery off the fob. Before replacing the battery, clean the electronic chip using isopropyl or another similar product. Next test the fob to test if it works. If the key still doesn't work, it might need to be programmed again. This is typically handled by a dealer or professional auto locksmith.

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

Receiver Module Issues

One of the simplest reasons why your 500 key fob won't be working is because it's out of range. The remote has a maximum range of 30 feet, so in the event that you are far from your vehicle it won't respond to your commands. It is possible to solve this problem by moving the remote closer to your vehicle until it responds.

If your fob doesn't work after you replace the coin battery, also known as a "button", "watch" or "button" It could be a problem with the circuit board inside. Reprogramming your fob can resolve this 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 could be necessary to replace the metal clips that hold the coin batteries in the correct position. If they lose tension, it could prevent the coin battery from being seated properly and result in the malfunction of your remote.

In rare cases, the fob may become disconnected from your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances the software may need to be reinstalled in your body control modules.

Interference

In addition to a dead coin battery, the key fob may not be able to transmit or receive a signal due to interference. This could happen when the keyfob is located in close proximity to a radio transmitter, such as a cell phone or radar detector. The key fob may not work because of a weak connection to the buttons, 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. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. It converts them to 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 for 15 minutes, removing first the negative cable, then the positive cable. Reconnect the battery. This will get rid of any remaining electricity and restart the car's computers. This could allow you to get your key fob working again. If the problem persists, you should consult an expert certified technician. They can identify the root cause of your issues.