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

A replacement fiat 500 key fob 500 key - right here on Yatesrelates, fob is a convenient way to open the doors and start the car. There are a variety of reasons why the fob won't work. These include a dead battery or water damage, receiver module issues, or interference.

This listing is for an NEW replacement fiat key Fiat Flip Key Remote that appears similar to the Ilco brand. It must be professionally programmed (click here to find local locksmiths for automotive locksmiths). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is the most common cause of your 500 key fob not working. Modern key fobs offer a limited range of operation and must be within only a few inches from the vehicle in order to work. If you're not close to 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 happens, replace the battery on your coin cell (Part number CR2032) with a brand new one from a reliable brand such as Panasonic, Duracell, or Energizer. They are usually available in your local hardware store, or online.

After you've replaced the coin cell battery you can test it by standing close to your fiat key fob 500 and pressing the buttons. The parking lights will flash and the key fob will operate the lock and unlock switches.

If your key fob still isn't working even after replacing the battery, it may be water damage that has prevented it from communicating with the module in your vehicle. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob in saltwater at the beach. If you suspect your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If this doesn't work, the fob might need to be reprogrammed by a professional locksmith or dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob in the ocean, or wash it in a washer. Saltwater can cause the circuit board to become shorted and eventually die. The fob getting wet is not a good idea, but if you drop it in a cup of water or don't remember to remove it from your pocket before you run the washer, don't give up hope.

Remove the battery first. Clean the electronic chip using isopropyl or a similar product and dry it thoroughly before replacing the battery. Next try the fob and verify if it is working. If the key does not function then it might need to be programmed again. This is usually done by an auto locksmith or dealer.

If the key is more recent and has not been programmed to your car, it will likely need to be replaced completely. This is a straightforward process that can be handled by a professional locksmith for automotive use. The locksmith will require the key to be cut to match the car's ignition. The locksmith will also have to reprogram your fob into the car's system. This is a cheap and quick process that can be completed on the same day.

Receiver Module Issues

One of the main reasons your 500 key fob may stop functioning is because it's out of range. The remote's range is of 30 feet, which means if you are too far from your car it won't be able to respond to your commands. You can fix this by moving the remote closer to your car until it responds.

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

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

In rare cases the fob can become out of the vehicle's sync because of hardware or software issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some cases, the software may also require reinstallation to your body control modules.

Interference

In addition to a dead coin battery the key fob could not be able to transmit or receive an signal due to interference. This could happen when the key fob is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons the key fob could not function could be due to a weak connection to the buttons or damage to the internal chip, or water damage.

If your key fob suddenly stopped working, or if you've tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, it could have a malfunctioning receiver module on your 500. The receiver module, located under the dashboard, picks up radio frequency signals from your key fob. It converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy method to reset all of the onboard systems in your 500, including the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Reconnect the battery. This will clear any residual electricity, and restart the computer of your car. This can help get your key fob to function again. If the issue persists, you should seek out an expert technician. They'll be able to identify the root cause of your issues.