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Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 allows you to easily open doors and start your vehicle. There are a variety of reasons why the fob may stop working. These include a dead battery water damage, receiver module problems, and interference.
This listing is for a NEW replacement Fiat Flip Key Remote - similar to the Ilco brand that needs to be programmed professionally by a local automotive locksmith (click here for Locksmith Search). It comes with trunk, lock and unlock buttons.
Dead Coin Battery
The most common reason the 500 key fob won't work is the battery is dead. Modern key fobs only have a limited range of operation and must be within only a few inches from the vehicle in order to work. If you're far from your vehicle and you push the keyfob button it will not respond, and display the message "Key Fob Not Detected".
If this occurs, replace the coin-cell battery (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. You can find them at your local hardware store or on the internet.
You can test the battery of your coin-cell by pressing the buttons while standing near your Fiat 500. The car should blink its parking lights and the key fob will operate the lock and unlock switches.
If the fob's key doesn't function after replacing the battery, it might be damaged by water, which prevents it from communicating with the receiver module inside your vehicle. Water damage can occur in a number of ways, from the slightest splash to submerging your fob in salt water at the beach. If you think your fob was exposed to water, place it in a rice bag to draw out the moisture. If that doesn't work, your fob is likely to need to be reset by an experienced auto locksmith or by the dealer.
Water Damage
Although the fob is equipped with 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 is especially dangerous to the fob's circuit board which causes it to short out and eventually end up dying. It's not the best idea to let the fob get wet but don't give up even if you accidentally drop the fob in the water or don't remove it from your pocket.
Take the battery off first. Before replacing the battery, clean the electronic chip using isopropyl, or a similar product. Check the fob again to verify if it's functioning. If the fob doesn't work, it may need to be reprogrammed. This is usually handled by a dealer or professional auto locksmith.
If the key is newer and has not been programmed to your vehicle It is likely that it needs to be replaced completely. This is a straightforward process that can be completed by a professional automotive locksmith. The locksmith needs to cut the key to match the ignition of your car. The locksmith will also need to program your fob into the vehicle's system. This is a simple and inexpensive process that can usually be completed on the next day.
Receiver Module Issues
The 500 key fob you have may stop working because it is out of range. fiat car key has an area of 30 feet or less, and if it's too far from your car, it won't respond to your commands. You can remedy this by moving your remote closer to your vehicle until it responds.
If your fob does not work after replacing the battery inside the coin, which is also called a "button", "watch" or "button" It could be due to an issue with the internal circuit board. In the majority of cases, reprogramming your fob will fix the problem. You can find instructions on how to do this on the majority of automobiles by searching YouTube or checking out the owner's manual.
It is possible to replace the clips made of metal that hold the coin batteries in the correct position. If they become loose, it can stop your coin battery from being properly seated, causing your remote to malfunction.
In rare instances, the fob may be out of sync with your vehicle because of hardware or software problems. This could be a huge issue, but you are able to often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In some instances, they may need to reinstall the software in your body control module as well.
Interference
Interference can also cause the key fob not to receive or transmit an signal. This could happen when the keyfob is in close proximity to a radio transmitter like a cell phone or radar detector. Other reasons 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 your key fob suddenly stopped working, or you've tried everything at home to fix it (e.g. battery replacement, reprogramming and using the spare key fob, you may have a defective receiver module on your 500. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It converts them to electronic commands that the vehicle interprets.
Luckily, there is an easy method of resetting all of the on-board systems in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will erase any remaining electricity, and restart the computer in your car. This could help you get your key fob working again. If the issue persists, you should seek the advice of an expert technician. They can identify the exact cause of issues.