Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it simple to open doors and start your car. However, there are many reasons why the fob may stop working. These include a dead battery damage to the receiver module, water issues, and interfering.

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

Dead Coin Battery

A dead battery is the main reason for your 500 key fob not functioning. Key fobs of today have only a limited range of operation and must be within just a few inches of the vehicle in order to function. If you're not close to your vehicle when you 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, simply replace the coin cell battery (Part number CR2032) by a new one from a trusted brand such as Panasonic, Duracell, or Energizer. You can find them in the local hardware store or online.

After you've replaced the battery of your coin cell you can test it by standing next to your fiat doblo key fob replacement 500 and pressing the buttons. The car should flash its parking lights and the key fob should be able to operate the lock and unlock buttons.

If the fob's remote doesn't function after replacing the battery, it could be damaged by water, which prevents it from connecting to the receiver module inside your car. Water damage can happen in many ways, such as simply splashing or submerging the key fob into saltwater at the beach. If you think your fob was exposed to water, you can place it in a bag of rice to draw out the moisture. If this doesn't work, you will need to have your fob changed by an auto locksmith or dealer.

Water Damage

Water damage can occur when you immerse the fob into the ocean or wash it in a machine. Saltwater is especially dangerous to the circuit board of the fob that can cause it to short out and eventually die. It's not a good idea to soak the fob in water, but don't give it up in the event that you accidentally drop it in water, or fail to remove it from your pants pocket.

Take the battery off first. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Next check the fob to verify if it is working. If the key does not function it could need to be changed. This is typically done by a professional or dealer auto locksmith.

If your key is a bit older and not programmed to work with your vehicle You will need to replace it completely. This is a straightforward process that can be handled by a professional automotive locksmith. The locksmith will need the key cut to match the car's ignition. The locksmith will also need to reprogram the fob into the vehicle's system. This is a cost-effective and quick process that could be completed in the same day.

Receiver Module Issues

Your 500 key fob might not work because it's out of range. The remote usually has 30 feet of range 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 you've replaced your coin battery (commonly known as a "button" or "watch") and your fob doesn't function It could be because of an internal circuit board problem. Reprogramming the fob usually resolves this problem. You can find directions on how to do this for all automobiles by searching YouTube or looking through the owner's manual.

It is possible to replace the metal clips that hold the coin batteries in their place. If they loose tension it could hinder the coin battery from being properly seated and could cause the remote to malfunction.

In rare instances the fob could be desync'd with your vehicle because of software or hardware issues. You can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances, they may need to reinstall the program in your body control module, as well.

Interference

Interference can also cause the key fob to not be able to receive or transmit a signal. This could occur if the key fob is located near radio transmitters (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function may be a lack of connection to the buttons or the internal chip, or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to solve the issue (e.g. You could have a malfunctioning 500 receiver module If you've tried replacing it with a 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 then converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy method of resetting every single system on board in your 500, including the key fob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computers, which can help get your key fob working again. If the issue persists it is recommended that you consult an expert certified technician. They will be able to determine the root cause of any issues.