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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it easy to open doors and start your car. There are a variety of reasons why the key fob might stop working. This could be due to a dead coin-battery and water damage, as well as issues with the receiver module, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote - similar to the Ilco brand that needs to be programmed professionally by a local automotive locksmith (click here to search for a Locksmith Search). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob won't function is a dead battery. Modern key fobs offer a limited range of operation and must be within only a few inches from the vehicle in order to function. If you are far from your vehicle and press the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this happens, replace the coin cell battery (Part number CR2032) with a brand new one from a reliable brand such as Panasonic, Duracell, or Energizer. They can be found in the local hardware store or on the internet.

You can test the battery of your coin-cell by pressing the buttons while standing close to your Fiat 500. The car will blink its parking lights, and the key fob should operate the lock and unlock switches.

If your key fob still doesn't work even after replacing the battery, it might be water damage that has prevented it from communicating with the module inside your vehicle. Water damage can occur in a variety of ways, from a light splash to submerging the fob in salt water at the beach. If you suspect that your fob has been exposed to water, try putting it in a dry rice bag to pull the moisture back out. If this does not work, you'll require your fob to be reset by an auto locksmith or a dealer.

Water Damage

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

Take the battery off first. Clean the electronic chip with isopropyl ethanol or a similar product and dry it completely before replacing the battery. Check the fob again to verify if it's functioning. If the fob doesn't function, it may need to be programmed again. This is typically done by a professional or dealer auto locksmith.

If the key is newer and has not been programmed to your vehicle it is likely to need to be replaced completely. This is a straightforward process that can be carried out by a professional automotive locksmith. The locksmith will have to cut the key to match the ignition on your vehicle. They will also need to reprogram the fob in your 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 not function because it's out of range. The remote typically has 30 feet of range or less and if it's far from your vehicle, it won't respond to your commands. It can be solved by moving it closer to your vehicle until it begins responding.


If your fob does not work after replacing the battery inside the coin, which is also known as a "button", "watch" or "button", it could be due to an issue with the circuit board inside. Reprogramming the fob is usually the solution to this issue. You can find instructions on how to do this for the majority of vehicles by searching YouTube or reading the owner's manual.

It could be necessary to replace the metal clips that hold the coin batteries in place. If they loose tension, it could prevent the coin battery from sitting properly, and this will cause your remote to malfunction.

In rare instances, the fob may be out of alignment with your vehicle because due to hardware or software issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances they might need to install the software again in your body control module as well.

Interference

In addition to a dead coin battery The key fob might not be receiving or transmitting the signal due to interference. This could occur if the key fob is in proximity to radio transmitters (cell phones, radar detectors) or any other source of electromagnetic radiation. The key fob could not work because of a problem with the buttons, 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. It could be a defective 500 receiver module after you've tried replacing the battery, reprogramming, or using an alternative key fob. The receiver module, which is located under the dashboard, detects radio frequency signals from your key fob. It transforms the signals into electronic commands, which are then interpreted by the vehicle.

Fortunately, there's an easy method of resetting all of the onboard systems in your 500 device, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electrical charge and restart the car's computer system, which could help the key fob to function again. If the issue continues, you should seek the advice of an expert technician. They will be able to identify the root cause of any problems.

Website: https://www.thekeylab.co.uk/fiat-car-keys/