Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 makes it simple to open doors and start your car. There are a myriad of reasons why the key fob might stop working. These include a dead coin battery damage to the receiver module, problems, and interference.
This listing is for a NEW replacement Fiat Flip Key Remote - like the Ilco brand that must be programmed professionally by a local automotive locksmith (click here to search for a Locksmith Search). It comes with lock, unlock and trunk buttons.
Dead Coin Battery
A dead battery is the most common cause of your 500 key fob being inoperative. Modern key fobs offer limited operating range and must be within a few inches of your vehicle in order to function. If you're far away from your vehicle, and you 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, simply replace the battery of your coin cell (Part number CR2032) with a brand new one from a trusted brand like Panasonic, Duracell, or Energizer. They are available at the local hardware store or online.
After you've replaced the coin cell battery It is possible to test it by standing close 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 the fob's key doesn't work after replacing the battery, it may be damaged by water that blocks it from connecting to the receiver module in your vehicle. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, you can try placing it in a dry rice bag to pull the moisture out. If this doesn't work, you will require your fob to be changed by an auto locksmith or dealer.
Water Damage
Damage to the water supply can occur if you immerse the fob into the ocean, or wash it in a washer. Saltwater is particularly dangerous to the fob's circuit board that can cause it to short out and eventually end up dying. It's not good to get the fob wet but don't give up even if you accidentally drop the fob in water or fail to remove it from your pants pocket.
First, remove the battery. Clean the electronic chip with isopropyl ethanol or a similar product and dry it completely before replacing the battery. Next, test the fob to test if it works. If the key does not work, it may need to be reprogrammed. This is typically handled by a professional or dealer auto locksmith.
If the key is more recent and has not been programmed to your vehicle it is likely to need to be replaced completely. This is an easy process which can be accomplished by a professional automotive locksmith. The locksmith will need to cut the key to match the ignition in your vehicle. They'll also have to reprogram the fob for your vehicle's system. This is a cheap and quick procedure that can be completed in the same day.
Receiver Module Issues
Your 500 key fob might stop working because it is out of range. The remote typically has an area of 30 feet or less and if it's far away from your car it won't respond to your commands. It is possible to fix this by moving the remote closer to your vehicle until it responds.
If you've replaced your coin battery (commonly called a "button" or "watch") and the fob won't work, it could have an internal circuit board problem. Reprogramming the fob typically resolves the issue. You can find the instructions on how to do this for most vehicles by searching YouTube or consulting the owner's manual.
how much is a new fiat 500 key may be necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they become loose, it could prevent your coin battery from being properly seated and cause your remote to malfunction.
In rare cases the fob might be out of alignment with your vehicle because of hardware or software issues. This can be a major issue, but you are able to frequently fix this issue by visiting an auto locksmith to have them reprogram your fob. In some cases the software may require reinstallation into your body control modules.
Interference
Interference can also cause the key fob to not be able to receive or transmit a signal. This could occur if the keyfob is located in close proximity to a radio transmitter like a cellphone or radar detector. The key fob could not function due to a poor connection to the buttons, water damage or damage to the internal chips.
If your key fob suddenly stopped working, or you've tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, it could have a damaged receiver module on your 500. The receiver module is located under the dash, and it picks up the radio frequency signals from the key fob. It converts the signals into electronic commands which are then translated by the vehicle.
There's a quick and easy way to reset the 500's onboard system including the keyfob. Disconnect the 12 volt battery for about 15 minutes by disconnecting the negative cable first then the positive cable. Then reconnect the battery. This will clear any residual electricity, and restart the car's computer. This can help get your key fob working again. If the issue persists it is recommended that you consult an experienced technician. They'll be able to determine the root of your issues.