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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the fiat car key 500 allows you to easily open doors and start your vehicle. There are a myriad of reasons the fob could stop functioning. This includes a dead battery, water damage, receiver modules issues, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote - like the Ilco brand that must be professionally programmed by a local automotive locksmith (click here for Locksmith Search). It includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob that isn't working. Modern key fobs have a limited operating range and should be within just a few feet of the vehicle to function. If you are not within your car and press the keyfob button it will not respond, and display the message "Key Fob Not Detected".

If this happens, simply replace the battery of your coin cell (Part number CR2032) by a new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are usually available at your local hardware store or online.

After you've replaced the battery in the coin cell You can test it by standing next to your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob will operate the lock and unlock switch.

If your fob's key isn't working after replacing the battery, spare key Fiat 500 it may be water damage that prevents it from communicating with the module in your vehicle. Water damage can happen in many ways, including a simple splash or submerging your key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a rice bag to draw out the moisture. If that doesn't work, your fob is likely to need to be reprogrammed by an experienced locksmith or dealer.

Water Damage

Damage to the water supply can occur if you submerge the fob in the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to short and eventually cease to function. It's not good to let the fob get wet but don't give up when you accidentally drop it in water, or fail to take it out of your pants pocket.

Remove the battery first. 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 doesn't function, it may need to be changed. This is usually handled by a professional or dealer auto locksmith.

If the key you have is older and has not been programmed to work with 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 need the key cut to match your car's ignition. The locksmith will also need to reprogram your fob in the car's system. This is a cost-effective and quick procedure that can be completed the same day.

Receiver Module Issues

The 500 key fob could stop working because it is out of range. The remote usually has a range of 30 feet or less, and if it's too far from your vehicle, it won't respond to your commands. This can be easily fixed by moving closer to your vehicle until it begins responding.

If you've replaced the battery in your coin (commonly called"button" or "button" or "watch") and your fob doesn't function it could be due to an internal circuit board problem. Reprogramming the fob typically resolves this problem. There are instructions on how to do this for most automobiles by searching YouTube or consulting the owner's manual.

It could be necessary to replace the clips made of metal that hold the coin batteries in place. If they lose tension they could stop the battery from sitting properly and could cause the remote to malfunction.

In rare instances, the fob can become out of sync with your vehicle because of hardware or software issues. You can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances they may have to install the software again in your body control module, too.

Interference

Interference can also cause the key fob not to receive or transmit signals. This could occur if the key fob is in proximity to a radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function include a poor connection to the buttons and internal chip, or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to resolve it (e.g. It could be a defective 500 receiver module If you've tried replacing it with a battery, reprogramming, or using a Spare Key Fiat 500 key fob. The receiver module, located beneath the dashboard, receives radio frequency signals from your key fob. It transforms the signals into electronic commands which are then processed by the vehicle.

Luckily, there is an easy way to reset all of the onboard systems in your 500 device, including the key fob. Disconnect the battery 12 volt for about 15 minutes, by disconnecting the negative cable first then the positive cable. Then, reconnect the battery. This will get rid of any remaining electricity and restart the car's computer system, which can help get your key fob working again. If the issue continues, you should speak with an expert technician. They'll be able to identify the root cause of your issue.