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Reasons Your fiat punto key replacement (go to Irken Co) 500 Key Fob Won't Work
A key fob for Fiat 500 makes it easy to open doors and start your car. There are many reasons the fob could stop working. These include a dead battery, water damage, receiver module problems, and interference.
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Dead Coin Battery
The most common reason your 500 key fob doesn't function is due to an inactive battery. Modern key fobs only have only a limited range of operation and must be within a few inches of your vehicle to function. If you are far from your vehicle, and you press the key fob button, the car won't respond and will display an "Key Fob Not Detected" message in the instrument cluster.
If this happens, 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 usually available at your local hardware store or on the internet.
You can test the battery on your coin-cell by pressing the buttons while you are standing close to your Fiat 500. The car will 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 in your car. Water damage can happen through a variety of methods, including a simple splash or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, put it in a rice bag to draw out the moisture. If that doesn't work, the fob might need to be reset by an experienced locksmith or dealer.
Water Damage
While the fob has some rubber seals that keep water out of the chip's electronic circuit and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to become shorted and eventually die. It's not good to submerge the fob in water however, don't give it up if 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 with isopropyl, or a similar product. Then check the fob to verify if it is working. If the key does not function, it may need to be programmed again. This is usually done by a professional or dealer auto locksmith.
If your key for fiat 500 is a bit older and not programmed for your vehicle then you'll need to replace it completely. This is an easy process that can be carried out by a professional locksmith for automotive use. The locksmith will require the key to be cut to match your vehicle's ignition. They will also need to reprogram the fob to your vehicle's system. This is a cheap and fast process that can be completed on the same day.
Receiver Module Issues
One of the main reasons why your 500 key fob may stop functioning is that it's out of range. The remote usually has an area of 30 feet or less, and if it's too far from your vehicle, it will not respond to your commands. This can be fixed by moving closer to your vehicle until it starts responding.
If you've replaced the coin battery (commonly called"button" or "button" or "watch") and your fob still won't work It could be because of an internal circuit board issue. Reprogramming your fob can resolve this problem. You can find the steps for most vehicles on YouTube or in the owner's guide.
It is possible to replace the metal clips that hold the battery of your coin in place. If they loose tension they could stop the coin battery from being properly seated and can cause the remote to malfunction.
In rare instances, the fob could be out of alignment with your vehicle because of hardware or software issues. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases, the software may also require reinstallation into your body control modules.
Interference
Interference can also cause the key fob to not be able to receive or transmit an signal. This may happen if the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons the key fob might not work include a poor connection to the buttons or the internal chip, or water damage.
If the key fob has suddenly stopped working, without notice or even after trying every option at home to fix it e.g. replacing batteries, reprogramming or using the spare key fob, you might have a faulty receiver module on your 500. The receiver module is located under the dash and picks up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.
There is a simple way to reset the 500's onboard system, including the keyfob. Disconnect the battery 12 volt for about 15 minutes, by removing the negative cable and then the positive cable. Reconnect the battery. This will clear out any residual electricity and restart the car's computers, which can help get your key fob working again. If the issue continues, you should seek out an expert technician. They will be able diagnose the root cause of any issues.