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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat Doblo key Fob programming 500 is a great way to unlock the doors and start the car. There are a myriad of reasons why the fob may stop working. 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 Flip Key Remote - like the Ilco brand that needs to be professionally programmed by a local locksmith (click here for Locksmith Search). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason why the 500 key fob won't work is a dead battery. 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 are further away from your vehicle and press the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this happens, simply replace the battery on your coin cell (Part number CR2032) with a brand new fiat 500 key one from a reputable manufacturer such as Panasonic, Duracell, or Energizer. You can find them in the local hardware store or online.

You can test the battery on your coin-cell by pressing the buttons while standing close to your Fiat 500. The parking lights should flash and Fiat Doblo Key Fob Programming the key fob should operate the lock and unlock switch.

If the fob's remote doesn't work after replacing the battery, it might be damaged by water, which prevents it from connecting to the receiver module inside your car. Water damage can occur in a variety of ways, such as simply splashing or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this doesn't work, your fob may need to be reprogrammed by a professional locksmith or dealer.

Water Damage

The fob does have rubber seals that keep water out of the chip's electronic circuit, 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 die. If you get the fob wet, it's not an option but if you accidentally drop it in a glass of water or forget to remove it from your pants pocket prior to running the washing machine, don't give up hope.

Remove the battery first. Clean the electronic chip with isopropyl or a similar product and then dry it completely before replacing the battery. Next, test the fob to test if it works. If the key does not work, it may have to be programmed again. This is typically handled by a dealer or professional auto locksmith.

If the key is older and has not been programmed to your car It is likely that it needs to be replaced completely. A professional locksmith in the automotive industry can carry out this simple task. The locksmith will need to cut the key to match the ignition of your vehicle. The locksmith will also need to reprogram your fob in the car's system. This is a simple and affordable process that can be completed the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote has a range of 30 feet. So in the event that you are far 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 your fob isn't working after replacing the battery for the coin, also called a "button", "watch" or "button" It could be due to an issue with the internal circuit board. Reprogramming your fob can resolve this issue. The instructions are available for the majority of vehicles on YouTube or in the owner's manual.

You may need to replace the metal retaining clips that hold the coin battery in place. If they loose tension, it could prevent your coin battery from being properly seated and cause your remote to malfunction.

In rare cases, the fob may become desync'd with your vehicle because of software or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances the software might require reinstallation into your body control modules.

Interference

Interference can also cause the key fob to not be able to receive or transmit signals. This is possible when the key fob is in proximity to the radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. The key fob could not function due to a poor connection with the buttons or water damage, or damage to the internal chips.

If the key fob suddenly stopped working, without notice and you've tried everything you can do at home to fix it e.g. replacing the battery, reprogramming it and using the spare key fob, it could have a malfunctioning receiver module on your 500. The receiver module is located under the dash and picks up the radio frequency signals from the key fob. It converts the signals into electronic commands, which are then read 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, removing first the negative cable, then the positive cable. Then reconnect the battery. This will eliminate any remaining electricity, and restart the computer in your car. This will help you get your key fob to work again. If the problem persists you should speak with an expert technician. They will be able to identify the exact cause of any problems.