Reasons Your fiat key 500 Key Fob Won't Work

A key fob for Fiat 500 makes it simple to open doors and start your car. There are a myriad of reasons the fob could stop functioning. These include a dead battery damage to the receiver module, problems, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote - look-alike Ilco brand that needs to be programmed professionally by a local locksmith (click here to search for a Locksmith Search). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

The most common reason the 500 key fob won't function is a dead battery. Key fobs of today have limited operating range 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 the "Key Fob Not Detected" message in the instrument cluster.

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

You can test the battery on your coin-cell by pressing the buttons while standing near your fiat ducato replacement key 500. The parking lights should blink and the key fob should operate the lock and unlock switches.

If the key fob won't work after replacing the battery, it might have water damage that stops it from connecting to the receiver module in your car. Water damage can occur in many ways, including a simple splash or submerging your key fob in saltwater 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 this doesn't work your fob is likely to require reprogramming by an experienced locksmith or dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water out of the electronic chip inside 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 cease to function. The fob getting wet is not an ideal idea but if you accidentally drop it into the water in a cup or fail to remove it from your pants pocket prior to running the washing machine do not give up hope.

First, remove the battery. Clean the electronic chip using isopropyl alcohol or another similar product and then dry it thoroughly before replacing the battery. Test the fob afterward to verify if it's functioning. If the key doesn't function then it might need to be reprogrammed. This is usually done by a dealer or professional auto locksmith.

If the key is a newer model and was not programmed to your vehicle, it will likely need to be replaced completely. This is a simple procedure that can be completed by a professional locksmith for automotive use. The locksmith will need the key to be cut to match your car's ignition. They'll also have to reprogram the fob in your vehicle's system. It's a simple and inexpensive process that can usually be completed within the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob may stop working is that it's simply out of range. The remote typically has an area of 30 feet or less, and if it's too far from your car, it will not respond to your commands. You can easily 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 internal circuit board. In the majority of cases, reprogramming your fob can resolve the problem. You can find instructions on how to do this for all 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 become loose, it can stop your coin battery from being properly seated and cause your remote to malfunction.

In rare instances, the fob can become out of alignment with your vehicle because of hardware or software problems. This could cause a significant headache, but you can usually resolve this issue by visiting an auto locksmith to have them reprogram your fob. In certain instances the software might need to be reinstalled in your body control modules.

Interference

In addition to a dead battery on a coin The key fob might not be receiving or transmitting signals due to interference. This is possible when the key fob is in proximity to radio transmitters (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob could not function include a poor connection to the buttons, damage to the internal chip or water damage.

If the key fob failed to work one day suddenly or after trying every option at home to solve it e.g. battery replacement, reprogramming and using the spare key fob, you could have a malfunctioning receiver module on your 500. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's onboard system including the keyfob. Disconnect the 12 volt battery for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will erase any remaining electricity, and allow you to restart the computer in your car. This can help get your key fob to function again. If the problem persists you should speak with a certified technician. They'll be able to determine the root of your problem.