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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the fiat punto key fob 500 is a convenient way to open the doors and begin the car. However, there are a variety of reasons why the key fob might stop functioning. This could be due to a dead coin-battery water damage, problems with receiver modules, as well as interference.

This listing is for an NEW replacement fiat punto car key replacement panda key fob; sciencewiki.science, Flip Key Remote - look-alike Ilco brand that needs to be programmed professionally by a local automotive locksmith (click here for Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob being inoperative. Modern key fobs have a limited operating range, and should be within just a few feet of the car to operate. If you're far away from your vehicle and 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 occurs then replace the battery for your coin-cell (Part Number CR2032) by a brand new one of a reliable brand, such as Panasonic Duracell or Energizer. They are available at your local hardware store, or on the internet.

You can test the coin-cell battery by pressing the buttons while standing close to your fiat punto remote key 500. The parking lights should blink and the key fob will operate the lock and unlock switches.

If the fob's remote doesn't function after replacing the battery, it may have water damage that prevents it from communicating with the receiver module in your car. Water damage can happen in many ways, such as an easy splash or submerging the key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to pull the moisture back out. If this doesn't work, you will need to have the fob replaced by an auto locksmith or dealer.

Water Damage

While the fob has some rubber seals that keep water from the chip's electronic circuit and out of the ocean or washing it in a machine could cause water damage. Saltwater can be particularly harmful to the circuit board of the fob and can cause it to short out and eventually die. It's not a good thing to submerge the fob in water, but don't give it up if you accidentally drop it in water or fail to take it out of your pants pocket.

Remove the battery first. Clean the electronic chip using isopropyl or a similar product and dry it thoroughly before replacing the battery. Check the fob to verify if it's working. If the key doesn't work, it might need to be reset. This is usually handled by an auto locksmith or dealer.

If your key is old and is not programmed to work with your vehicle, you will need to replace it completely. A professional locksmith for automotive can carry out this simple task. The locksmith needs to cut the key to match the ignition of your vehicle. The locksmith will also have to reprogram your fob into the vehicle's system. This is a cheap and quick procedure that can be completed within the same day.

Receiver Module Issues

Your 500 key fob might not work because it's out of range. The remote's range is of 30 feet. Therefore, when you're too far from your vehicle it won't respond to your commands. You can fix this by moving the remote closer to your car until it responds.

If you've replaced the coin battery (commonly called"button" or "button" or "watch") and the fob won't work It could be because of an internal circuit board problem. In the majority of cases, reprogramming your fob will resolve this issue. You can find the instructions for most vehicles on YouTube or in the owner's guide.

You may need to replace the metal retaining clips that hold the battery of your coin in place. If they lose tension it could prevent the battery from sitting properly and result in the malfunction of your remote.

In rare cases the fob could be desync'd with your vehicle due to software or hardware issues. You can fix this issue by visiting your local auto-locksmith or dealer 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 be unable to receive or transmit an signal. This can happen when the key fob is close to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob may not function due to a bad connection with the buttons or water damage, or damage to the internal chips.

If the key fob has stopped working one day out of the blue, or after trying every option at home to fix it e.g. battery replacement, reprogramming and using the spare key fob, you might have a malfunctioning receiver module on your 500. The receiver module, located under the dashboard, is able to pick up radio frequency signals from your key fob. It converts the signals into electronic commands which are then processed by the vehicle.

There is a simple way to reset the 500's in-board system including the keyfob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Then reconnect the battery. This will get rid of any remaining electricity and then restart the car's computers. This could allow you to the key fob to function again. If the problem persists you should speak with an experienced technician. They can identify the root cause of your problem.