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Reasons Your Fiat key Cutting 500 Key Fob Won't Work

A key fob from Fiat 500 makes it easy to open doors and start your car. There are many reasons the key fob might stop working. This includes a dead coin-battery and water damage, as well as problems with the receiver modules, and interference.

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 find local locksmiths in the automotive industry). It includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob being inoperative. Modern key fobs have a very restricted operating range, and must be within a few feet of the car to operate. If you're not close to your vehicle and press the key fob button the car will not respond, and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) with a new battery of a reputable brand such as Panasonic Duracell or Energizer. You can find them at your local hardware store, or online.

After you've changed the battery on the coin cell, you can test it by standing next to your Fiat 500 and pressing the buttons. 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 could have water damage that stops it from communicating with the receiver module inside your car. Water damage can occur in many ways, such as the simple splash or submerging the key fob into saltwater at the beach. If you believe your fob was exposed to water, place it in a bag of rice to draw out the moisture. If this does not work, you'll have to get your fob reprogrammed either by an auto locksmith or dealer.

Water Damage

Water damage can happen if you immerse the fob into the ocean, or wash it in a washer. Saltwater can be particularly harmful to the fob's circuit board that can cause it to short out and eventually die. The fob getting wet is not a good idea but if you accidentally drop it into a cup of water or forget to remove it from your pocket before you run the washer do not give up hope.

Take the battery off first. Clean the electronic chip with isopropyl ethanol or a similar product and dry it completely before replacing the battery. Check the fob again to check if it's working. If the key does not function then it might need to be changed. This is typically handled by a professional or dealer auto locksmith.

If your key is older and not programmed for your vehicle You will need to replace it completely. A professional automotive locksmith can do this job. The locksmith will require the key to be cut to match your car's ignition. They'll also need to reprogram the fob for your car's system. This is a quick and affordable process which can be completed in the next day.

Receiver Module Issues

The 500 key fob could be inoperable because it's out of range. The remote has a range of 30 feet, so should you be too far away from your vehicle, it won't respond to your commands. It is possible to solve this problem by moving the remote closer to your car until it responds.

If your fob won't work after replacing the battery inside the coin, which is also known as a "button", "watch" or "button", it could be a problem with the circuit board inside. In most cases, reprogramming the fob can resolve the problem. You can find the steps for the majority of vehicles on YouTube or in the owner's guide.

It may be necessary to replace the clips made of metal that hold the coin batteries in their place. If they lose tension it can prevent your coin battery from sitting properly and cause your remote to malfunction.

In rare instances, the fob may be out of the vehicle's sync because of hardware or software problems. This could be a huge headache, but you can usually resolve this issue by visiting an auto locksmith to have them reprogram your fob for you. In certain situations, they may need to reinstall the software in your body control module, too.

Interference

In addition to a dead battery on a coin, the key fob may not be able to transmit or receive the signal due to interference. This could occur if 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 might not function include a poor connection to the buttons or damage to the internal chip or water damage.

If the key fob stopped working one day without notice or even after trying everything you can do at home to fix it e.g. It could be a defective 500 receiver module If you've tried replacing it with a battery, reprogramming, and using a spare fiat 500 key key fob. The receiver module, which is located under the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands, which are then processed by the vehicle.

Fortunately, there's an easy method of resetting all of the onboard systems in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will eliminate any residual electricity and restart the car's computer system, which could allow you to the key fob to function again. If the problem persists, you should consult a certified technician. They'll be able to identify the root cause of your problem.