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Reasons Your fiat punto replacement key 500 Key Fob Won't Work

A key fob from Fiat 500 makes it easy to open doors and start your vehicle. There are a myriad of reasons the fob won't work. This includes a dead battery water damage, problems with the receiver modules, and interference.

This listing is for a NEW replacement Fiat Bravo Key Flip Key Remote that is similar to the Ilco brand. It has to be professionally programmed (click here to search for local locksmiths in the automotive industry). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob not working. Key fobs of today have an operating range that is limited and must be within a few inches of the vehicle to work. If you are far from your vehicle and push the keyfob button it won't respond and display the message "Key Fob Not Detected".

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

After you've changed the battery on the coin cell you can test it by standing close to your Fiat 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 switches.

If the key fob won't work after replacing the battery, it may be damaged by water that blocks it from communicating with the receiver module in your vehicle. Water damage can happen in a number of ways, ranging from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, try putting it in a dry rice bag to pull the moisture out. If this isn't working, you'll have to get your fob replaced by an auto locksmith or a dealer.

Water Damage

While the fob has some rubber seals that keep water out of the electronic chip inside and out of the ocean or washing it in a machine could cause water damage. Saltwater is particularly dangerous to the circuit board of the fob and can cause it to short out and eventually die. The fob getting wet is not an ideal idea but if you accidentally drop it into a glass of water or fail to take it out of your pants pocket prior to running the washer and you don't have a chance, don't give in.

First take the battery off the fob. Before replacing the battery clean the electronic chip using isopropyl or similar products. Test the fob next to verify if it's functioning. If the key does not work, it may need to be reset. This is usually handled by an auto locksmith or dealer.

If the key is more recent and was not programmed to your car It will most likely need to be replaced completely. A professional locksmith for cars will be able to complete this process. The locksmith will need the key to be cut to match your car's ignition. They'll also have to reprogram the fob for the car's system. This is a simple and affordable process that is usually completed in the next day.

Receiver Module Issues

One of the simplest reasons your 500 key fob might stop functioning is that it's out of range. The remote's range is of 30 feet, so if you are too far away from your vehicle it won't respond to your commands. This can easily be resolved by moving it closer to your vehicle until it starts responding.

If you've replaced your coin battery (commonly known as"button" or "button" or "watch") and your fob doesn't function it could be due to an internal circuit board problem. Reprogramming the fob usually resolves the issue. You can find the procedure for most vehicles on YouTube or in the owner's manual.

It could be necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they lose tension, it could hinder the coin battery from being seated properly and can cause your remote to malfunction.

In rare cases the fob could be out of alignment with your vehicle because of hardware or software issues. You can fix this problem by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances it is possible that the software will need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob to be unable to receive or transmit signals. This could occur if the key fob is close to the radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. The key fob could not function because of a problem to the buttons, water damage or Fiat bravo key damage to the internal chips.

If the key fob has suddenly stopped working, in the middle of the night or even after trying every option at home to fix it e.g. replacing the battery, reprogramming, and using the spare key fob, you might have a damaged receiver module on your 500. The receiver module, which is located beneath the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands which are then translated by the vehicle.

There's a quick and easy way to reset the 500's in-board system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Then, reconnect the battery. This will clear out any remaining electrical charge and restart the car's computers. This could help get your key fob working again. If the problem persists you should seek the advice of an expert technician. They can identify the root cause of any problems.