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Reasons Your Fiat 500 Key Fob Won't Work

A fiat doblo key programming (dev2.emathisi.gr) 500 key fob makes it easy to open doors and start your vehicle. There are a variety of reasons why the fob could stop working. This includes a dead battery water damage, receiver modules issues, and interference.

This listing is for an NEW replacement fiat key fob programming Flip Key Remote - similar to the Ilco brand that must be programmed professionally by a local automotive locksmith (click here to search for a Locksmith Search). It includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason why the 500 key fob won't function is due to an inactive battery. Modern key fobs operate with a restricted operating range, and should be within some feet of the car to operate. If you're far from your vehicle and you press the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this happens, replace the battery on your coin cell (Part number CR2032) with a brand new one from a trusted brand such as Panasonic, Duracell, or Energizer. They are usually available in 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 key fob programming 500 and pressing the buttons. The parking lights should light up and the key fob will operate the lock and unlock switch.

If the fob's remote doesn't work after replacing the battery, it might have water damage that prevents it from communicating with the receiver module inside your vehicle. Water damage can happen in a variety of ways, from small splashes to submerging the fob into salt water at the beach. If you suspect your fob was exposed to water, try placing it in a dry rice bag to pull the moisture back out. If this fails, you'll have to get your fob reprogrammed either by an auto locksmith or dealer.

Water Damage

While the fob comes with rubber seals that keep water out of the chip's electronic circuit it, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and then end up dying. Getting the fob wet is not an ideal idea but if you accidentally drop it into a glass of water or forget to take it out of your pants pocket before running the washer, don't give up hope.

First take the battery off the fob. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Check the fob again to see if it is functioning. If the key isn't working then it might need to be reprogrammed. This is typically done by a dealer or professional auto locksmith.

If the key is older and has never been programmed to your vehicle it is likely to need to be replaced completely. A professional locksmith in the automotive industry will be able to complete this process. The locksmith will need the key to be cut to match the car's ignition. They'll also have to reprogram the fob to your car's system. This is a cost-effective and quick procedure that can be completed on the same day.

Receiver Module Issues

The 500 key fob you have may not work because it's out of range. The remote usually has an operating range of 30 feet or less and if it's far from your car, it will not respond to your commands. It can be solved by moving closer to your vehicle until it starts responding.

If your fob won't work after replacing the coin battery, also called a "button", "watch" or "button" it could be due to a problem with the circuit board inside. Reprogramming your fob can resolve the issue. You can find directions on how to do this on the majority of vehicles by searching YouTube or looking through the owner's manual.

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

In rare instances the fob could be desync'd with your vehicle due to software issues or hardware issues. This can be a major headache, but you can frequently fix this issue by visiting an auto locksmith to have them reprogram your fob. In some instances, they may need to install the software again in your body control module, too.

Interference

In addition to a dead battery on a coin the key fob could not be able to receive or transmit signals due to interference. This could occur if the key fob is in proximity to the radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. The key fob may not work due to a bad connection with the buttons water damage or damage to the internal chips.

If the key fob suddenly stopped working, in the middle of the night or after trying everything you can at home to solve it e.g. replacing the battery, reprogramming, and using the spare key fob, you may have a damaged receiver module on your 500. The receiver module, which is located under the dashboard, detects 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 way to reset all of the on-board systems in your 500 device, including the key fob. Disconnect the battery of 12 volts for about 15 minutes by taking off the negative cable first then the positive cable. Then reconnect the battery. This will eliminate any residual electricity and restart the car's computers, which can help get your key fob working again. If the issue persists, you should speak with an expert technician. They will be able to determine the exact cause of any issues.