Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 is a great way to open the doors and begin the car. However, there are many reasons the fob could stop working. https://www.g28carkeys.co.uk/fiat-car-key-replacements-near-me/ includes a dead coin-battery or water damage, problems with the receiver modules, and interference.
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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 locksmith (click here to search for a Locksmith Search). It comes with trunk, lock and unlock buttons.
Dead Coin Battery
The most common reason your 500 key fob won't work is a dead battery. Modern key fobs come with a limited operating range and should be within just a few feet of the vehicle to function. If you're far from your vehicle, and you press the key fob button, the car will not respond, and will display an "Key Fob Not Detected" message in the instrument cluster.
If this happens, replace the battery on your coin cell (Part number CR2032) with a brand new one from a reputable brand such as Panasonic, Duracell, or Energizer. You can find them at your local hardware store or on the internet.
You can test the coin-cell battery by pressing the buttons while standing close to your Fiat 500. The car should blink its parking lights and the key fob should be able to operate the lock and unlock buttons.
If the fob's remote doesn't work after replacing the battery, it may be damaged by water that blocks it from communicating with the receiver module inside your vehicle. Water damage can occur in a variety of ways, from an accidental splash to submerging your fob in salt water at the beach. If you suspect your fob has been exposed to water, you can try placing it in a dry rice bag to draw the moisture out. If that doesn't work your fob is likely to need to be reprogrammed by a professional locksmith or dealer.
Water Damage
Water damage can occur if you immerse the fob into the ocean or wash it in a washing machine. Saltwater is particularly dangerous to the fob's circuit board, causing it to short out and eventually end up dying. It's not good to soak the fob in water however, but don't give it up when you accidentally drop it in water or fail to remove it from your pocket.
First remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or similar products. Then check the fob to see if it works. If the key doesn't work, it may need to be changed. This is usually done by an auto locksmith or dealer.
If the key is newer and was not programmed to your car It will most likely need to be replaced completely. A professional locksmith in the automotive industry can do this job. The locksmith must cut the key to match the ignition on your vehicle. They'll also need to reprogram the fob for the car's system. This is a cheap and quick procedure that can be completed on the same day.
Receiver Module Issues
The 500 key fob you have may not work because it's out of range. The remote has a maximum range of 30 feet. So if you are too far from your vehicle, it won't respond to your commands. This can be fixed by moving closer to your vehicle until it starts responding.
If you've replaced the battery in your coin (commonly called"button" or "button" or "watch") and the fob won't work it could be due to an internal circuit board problem. In the majority of cases, reprogramming your fob will solve the problem. You can find the steps for most vehicles on YouTube? or in the owner's manual.
It's possible that you need to replace the metal clips that hold the battery of your coin in place. If they lose tension, it can prevent your coin battery from being properly seated and cause your remote to malfunction.
In rare instances the fob could be desync'd with your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances the software might need to be reinstalled in your body control modules.
Interference
In addition to a dead battery on a coin The key fob might not be able to transmit or receive signals due to interference. This may happen if the keyfob is located in close proximity to a radio transmitter like a cell phone or radar detector. Other reasons the key fob may not function include a weak connection to the buttons or the internal chip, or water damage.
If your key fob suddenly stopped working, or if you've tried everything at home to resolve it (e.g. battery replacement, reprogramming and using the spare key fob, you might have a malfunctioning receiver module on your 500. The receiver module, which is 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's a quick and easy way to reset the 500's on-board system, including the keyfob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Then reconnect the battery. This will clear out any remaining electricity and then restart the car's computer system, which could allow you to the key fob to function again. If the issue continues it is recommended that you consult an expert technician. They will be able to determine the exact cause of any problems.
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