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Reasons Your fiat 500 key button replacement doblo key fob programming - great post to read - 500 Key Fob Won't Work

A key fob from fiat 500x key fob 500 is a handy way to open the doors and begin the car. There are a myriad of reasons the key fob might stop working. This includes a dead battery or water damage, issues with the receiver module, and interference.

This listing is for an NEW replacement fiat 500 key programming Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to search for local automotive locksmiths). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob not working. Modern key fobs offer a limited range of operation and must be within just a few inches of the vehicle in order to work. If you're far away from your vehicle and press the key fob button the car won't respond and will display a "Key Fob Not Detected" message in the instrument cluster.

If this occurs, replace the coin-cell battery (Part Number CR2032) with a new battery of a reputable brand like Panasonic Duracell or Energizer. You can find them at your local hardware store, or on the internet.

After you've replaced the battery in the coin cell you can test it by standing next to your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob should operate the lock and unlock switch.

If your fob's key does not work after replacing the battery, there might be water damage that is preventing it from interacting with the module inside your vehicle. Water damage can happen in a variety of 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 rice bag 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

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

First, remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Next test the fob to see if it works. If the key still doesn't work, it may have to be reprogrammed. This is typically handled by a professional or dealer auto locksmith.

If the key is older and has never been programmed to your car it is likely to need to be replaced completely. This is a simple process that can be carried out by a professional locksmith for automotive use. The locksmith will have to cut the key to match the ignition in your vehicle. The locksmith will also have to reprogram the fob into the car's system. This is a simple and cost-effective process that can be completed in the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob may stop working is because it's out of range. The remote typically has a range of 30 feet or less, and if it's too far away from your car it won't respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.

If you've replaced the battery on your coin (commonly known as a "button" or "watch") and your fob still won't work it could be due to an internal circuit board problem. Reprogramming the fob usually resolves this problem. You can find the steps 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. If they lose tension, it can prevent your coin battery from sitting properly, causing your remote to malfunction.

In rare cases the fob might become desync'd with your vehicle due to software issues or hardware issues. This could cause a significant problem, but you can usually resolve this issue by visiting an auto locksmith to reprogram your fob. In certain instances the software might require reinstallation to your body control modules.

Interference

In addition to a dead battery on a coin The key fob may not be receiving or transmitting signals due to interference. This may happen if the keyfob is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons why the key fob could not function could be due to a weak connection to the buttons, damage to the internal chip, or water damage.

If the key fob suddenly stopped working, out of the blue or after trying every option at home to solve it e.g. You could have a malfunctioning 500 receiver module in the event that you've tried replacing the battery, reprogramming, or using a spare key fob. The receiver module, which is located under the dashboard, is able to pick up radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

There is a simple way to reset the 500's in-board system including the keyfob. Disconnect the battery of 12 volts for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Then, reconnect the battery. This will eliminate any remaining electrical charge and restart the car's computers. This can help the key fob to function again. If the issue continues, you should speak with an expert technician. They'll be able to determine the root of your issues.