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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for fiat red key 500 makes it easy to open doors and start your vehicle. However, there are many reasons the fob could stop functioning. This includes a dead battery, water damage, issues with the receiver module, and interference.

This listing is for a new fiat 500 key fob replacement Fiat Flip Key Remote that looks like the Ilco brand. It has to be professionally programmed (click here to search for local automotive locksmiths). It includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob not working. Modern key fobs operate with a limited range of operation, and should be within just a few feet of the car to operate. If you are far from your vehicle and you press the key fob button, the car will not respond, and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the battery on your coin cell (Part number CR2032) with a new one from a reliable brand like Panasonic, Duracell, or Energizer. They are available at your local hardware store, or on the internet.

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

If your key fob isn't working even after replacing the battery, there may be water damage which hinders it from connecting to the module inside your vehicle. Water damage can happen in many ways, such as the simple splash or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, place it in a rice bag to draw out the moisture. If this doesn't work, you will have to get your fob changed by an auto locksmith or a dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob in the ocean, or wash it in a washing machine. Saltwater is particularly dangerous to the circuit board of the fob which causes it to short out and eventually die. If you get the fob wet, it's not a good idea but if you accidentally drop it into the water in a cup or forget to take it out of your pocket before you run the washer, don't give up hope.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl, or a similar product. Next test the fob to check if it functions. If the key isn't working, it may have to be programmed again. This is usually done by an auto locksmith or dealer.

If the key is newer and has not been programmed to your vehicle it is likely to need to be replaced completely. This is a straightforward process that can be carried out by a professional automotive locksmith. The locksmith will need the key to be cut to match the car's ignition. The locksmith will also have to reprogram the fob into the vehicle's system. This is an affordable and quick procedure that can be completed on the same day.

Receiver Module Issues

Your 500 key fob may stop working because it is out of range. The remote has a range of 30 feet. So should you be too far from your car, it won't respond to your commands. This can be easily fixed by moving it closer to your vehicle until it starts responding.

If you've replaced the battery in your coin (commonly called a "button" or "watch") and your fob still won't work it could be due to an internal circuit board problem. In the majority of cases, reprogramming your fob will solve the issue. You can find instructions on how to Open fiat 500 without key to do this on the majority of vehicles by searching YouTube or consulting the owner's manual.

It is sometimes necessary to replace the metal clips that hold the coin batteries in the correct position. If they become loose, it may prevent your battery from being properly seated and cause your remote to malfunction.

In rare cases the fob could be out of connection with your vehicle as a result of software or hardware problems. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances the software may need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit the signal. This may happen if the keyfob is located in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons the key fob might not work may be a lack of connection to the buttons or the internal chip, or water damage.

If the key fob stopped working one day without notice and you've tried every option at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, you could have a malfunctioning receiver module on your 500. The receiver module, located beneath the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands which are then interpreted by the vehicle.

Fortunately, there's an easy method to reset all of the on-board systems in your 500, including the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electricity, and allow you to restart the computer of your car. This could help you get your key fob to function again. If the problem persists you should speak with an expert technician. They will be able to identify the root of any problems.