Reasons Your program
spare fiat 500 key 500 key fob,
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A key fob for Fiat 500 makes it easy to open doors and start your vehicle. However, there are numerous reasons why the key fob might stop working. This could be due to a dead coin-battery or water damage, problems with the receiver modules, and interference.
This listing is for an NEW replacement
fiat 500 key fob not working Flip Key Remote - look-alike Ilco brand that must be programmed professionally by a local automotive locksmith (click here for Locksmith Search). It comes with lock, unlock and trunk buttons.
Dead Coin Battery
A dead battery is the main reason for your 500 key fob being inoperative. Modern key fobs operate with a limited operating range and should be within a few feet of the vehicle to operate. If you're far away from your vehicle and press the key fob button, the car won't respond and will display the "Key Fob Not Detected" message in the instrument cluster.
If this happens then replace the battery for your coin-cell (Part Number CR2032) by a new one from a reputable brand like Panasonic Duracell or Energizer. You can usually find them at your local hardware store or on the internet.
You can test the coin-cell battery by pressing the buttons while standing near your Fiat 500. The parking lights should blink and the key fob should operate the lock and unlock switches.
If your key fob still isn't working after replacing the battery, there might be water damage that is preventing it from connecting to the module inside your vehicle. Water damage can occur through a variety of methods, including a simple splash or submerging the key fob in saltwater at the beach. If you suspect your fob has been exposed to water, try putting it in a dry rice bag to draw the moisture back out. If that doesn't work, your fob is likely to need to be reset by a professional auto locksmith or dealer.
Water Damage
Although the fob is equipped with rubber seals to keep water out of the chip's electronic circuit, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the fob's circuit board, causing it to short out and eventually die. In the event that you let your fob get wet, it's not a good idea but if you accidentally drop it into an empty cup of water, or do not remember to take it out of your pants pocket prior to running the washer and you don't have a chance, don't give in.
First take the battery off the fob. Clean the electronic chip with isopropyl ethanol or a similar product and dry it completely before replacing the battery. Check the fob again to determine if it's working. If the fob doesn't work, it may need to be changed. This is usually handled by a professional or dealer auto locksmith.
If your key is old and not programmed to work with your vehicle, you will need to replace it completely. This is an easy process that can be carried out by a professional automotive locksmith. The locksmith needs to cut the key to match the ignition of your vehicle. They'll also need to reprogram the fob in the system of your car. This is a simple and cost-effective process which can be completed on the same day.
Receiver Module Issues
Your 500 key fob may not function because it's out of range. The remote usually has an area of 30 feet or less and if it's far away from your car it will not respond to your commands. You can remedy this by moving your remote closer to your vehicle until it responds.
If you've replaced your coin battery (commonly called a "button" or "watch") and the fob isn't working, it could have an internal circuit board issue. Reprogramming the fob usually resolves this issue. You can find the instructions for the majority of vehicles on YouTube or in the owner's manual.
It's possible that you need to replace the metal clips that keep the coin battery. If they loose tension, it could hinder the coin battery from sitting properly, and this will cause the remote to malfunction.
In rare instances, the fob can become out of the vehicle's sync because of software or hardware problems. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances, they may need to reinstall the software in your body control module as well.
Interference
Interference can also cause the key fob to be unable to receive or transmit signals. This could happen if the key fob is near an electronic radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob may not function could be due to a weak connection to the buttons and 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 fiat 500 key fob, it could have a damaged receiver module on your 500. The receiver module, which is located under the dashboard, picks up radio frequency signals from your key fob. It transforms the signals into electronic commands, which are then read by the vehicle.
There's a quick and easy way to reset the 500's on-board system, including the keyfob. Disconnect the battery of 12 volts for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electricity, and allow you to restart the computer of your car. This could help you get your key fob to function again. If the problem persists, you should consult an experienced technician. They'll be able identify the root cause of your problem.