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Reasons Your Fiat 500 Key Fob Won't Work
A key fob for Fiat 500 makes it easy to open doors and start your vehicle. There are many reasons why the key fob might stop working. This could be due to a dead battery water damage, issues with the receiver module, and interference.
This listing is for a NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths in the automotive industry). It comes with lock, unlock and trunk buttons.
fiat punto key is probably the most common reason for your 500 key fob being inoperative. Modern key fobs come with a limited operating range and must be within just a few feet of the vehicle in order to function. If you're far from your vehicle, and you press the keyfob button, it won't respond and display the message "Key Fob Not Detected".
If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) by a new one of a reputable brand such as Panasonic Duracell or Energizer. They are available 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 in front of your Fiat 500 and pressing the buttons. The parking lights will flash and the key fob should operate the lock and unlock switch.
If your key fob isn't working after replacing the battery, there may be water damage which hinders it from communicating with the module in your vehicle. Water damage can happen in a variety of ways, such as a simple splash or submerging the key fob saltwater at the beach. If you suspect that your fob has been exposed to water, try putting it in a dry rice bag to draw the moisture back out. If this doesn't work your fob is likely to require reprogramming by an experienced auto locksmith or by the 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 poses a particular risk to the circuit board of the fob which causes it to short out and eventually end up dying. It's not a good idea to let the fob get wet, but don't give it up even if you accidentally drop the fob in water or forget to take it out of your pocket.
Remove the battery first. Before replacing the battery clean the electronic chip with isopropyl or similar products. Next, test the fob to check if it functions. If the key isn't working, it may need to be reset. This is usually done by an auto locksmith or dealer.
If the key is older and hasn't been programmed to your vehicle it is likely to need to be replaced completely. A professional locksmith for cars can carry out this simple task. The locksmith will need to cut the key to match the ignition in your vehicle. The locksmith also needs to program your fob into the car's system. This is a quick and affordable process which can be completed within 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 too far from your car, it will not respond to your commands. It is possible to remedy this by moving your remote closer to your vehicle until it responds.
If your fob does not work after you replace the battery for the coin, also called a "button", "watch" or "button" it could be a problem with the internal circuit board. Reprogramming the fob is usually the solution to this issue. You can find the instructions on how to do this for all vehicles by searching YouTube or checking out the owner's manual.
It is possible to replace the metal clips that hold the coin batteries in their place. If they lose tension, it can stop your coin battery from sitting properly, causing your remote to malfunction.
In rare cases the fob might be out of alignment with your vehicle because of software or hardware problems. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain situations they may have to reinstall the software in your body control module too.
Interference
In addition to a dead battery on a coin The key fob may not be receiving or transmitting an signal due to interference. This is possible when the key fob is in proximity to a radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob could not function include a poor connection to the buttons and internal chip or water damage.
If the key fob has failed to work one day out of the blue or after trying every option at home to solve it e.g. replacing batteries, reprogramming or using the spare key fob, you could have a malfunctioning receiver module on your 500. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It transforms the signals into electronic commands which are then processed by the vehicle.
There is a straightforward method to reset the 500's in-board system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electricity, and allow you to restart the computer in your car. This can help you get your key fob working again. If the problem persists, you should consult an expert certified technician. They can determine the exact cause of your problem.