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 the fob could stop functioning. It could be due to a dead battery, damaged receiver module, water damage issues, and interfering.
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Dead Coin Battery
The most frequent reason why your 500 key fob doesn't function is a dead battery. Modern key fobs have a restricted operating range, and must be within just a few feet of the vehicle to function. If you are further away from your vehicle, and you press the keyfob button, it won't respond and display the message "Key Fob Not Detected".
If this happens, simply replace the battery of your coin cell (Part number CR2032) with a brand new one from a reliable brand such as Panasonic, Duracell, or Energizer. You can usually find them at your local hardware store or online.
After you've replaced the battery of your coin cell It is possible to test it by standing next to your Fiat 500 and pressing the buttons. The parking lights should flash and the key fob will operate the lock and unlock switches.
If the fob's key doesn't work after replacing the battery, it may have water damage that stops it from connecting to the receiver module inside your vehicle. Water damage can occur through a variety of methods, including a simple splash or submerging the key fob into saltwater at the beach. If you suspect that your fob was exposed to water, place it in a rice bag to draw out the moisture. If this isn't working, you'll need to have your fob replaced by an auto locksmith or a dealer.
Water Damage
While the fob has some rubber seals that 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 a good thing to submerge the fob in water, but don't give it up in the event that you accidentally drop it in water, or fail to take it out of your pants pocket.
First, remove the battery. Clean the electronic chip using isopropyl alcohol or a similar product and then dry it completely before replacing the battery. Check the fob again to see if it is functioning. If the key isn't working, it may need to be changed. This is typically handled by a professional or dealer auto locksmith.
If the key is older and was not programmed to your car, it will likely need to be replaced completely. A professional automotive locksmith can do this job. The locksmith will require the key cut to match your car's ignition. The locksmith will also need to reprogram the fob into the vehicle's system. This is a quick and inexpensive process that can be completed in the same day.
Receiver Module Issues
One of the simplest reasons your 500 key fob could stop working is that it's simply out of range. The remote has a maximum range of 30 feet. Therefore, if you are too far away from your vehicle it won't be able to respond to your commands. It's easy to solve this problem by moving the remote closer to your vehicle until it responds.
If you've replaced your coin battery (commonly called"button" or "button" or "watch") and your fob doesn't function It could be because of an internal circuit board issue. Reprogramming the fob usually resolves this problem. You can find the instructions for the majority of vehicles on YouTube or in the owner's guide.
You may need to replace the metal clips that hold the coin battery in place. If they loose tension, it can prevent your coin battery from being properly seated and cause your remote to malfunction.
In rare instances, the fob can become out of connection with your vehicle as a result of hardware or software problems. This could be a huge issue, but you are able to usually resolve this issue by visiting an auto locksmith to reprogram your fob. In certain instances the software may require reinstallation in your body control modules.
Interference
In addition to a dead battery on a coin The key fob might not be able to receive or transmit the signal due to interference. fiat punto car key may happen if the keyfob is located in close proximity to a radio transmitter like a cell phone or radar detector. The key fob might not work due to a poor connection with the buttons or water damage, or damage to the internal chips.
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 fob, it could have a defective receiver module on your 500. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. It converts them to electronic commands that the vehicle interprets.
Fortunately, there's an easy way to reset all of the onboard systems in your 500 and include the key fob. Disconnect the battery 12 volt for about 15 minutes by removing the negative cable first then the positive cable. Then reconnect the battery. This will get rid of any remaining electricity and then restart the car's computers, which could allow you to get your key fob working again. If the problem persists you should speak with an experienced technician. They will be able diagnose the root cause of any issues.