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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from Fiat 500 makes it easy to open doors and start your car. However, there are many reasons the fob could stop functioning. This could be due to a dead coin battery, damaged receiver module, water damage issues, and interference.

This listing is for an NEW replacement fiat 500 key fiat doblo key programming Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths for automotive locksmiths). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the main cause of your 500 key fob being inoperative. Key fobs of today have limited operating range and must be within a few inches of the vehicle to function. If you're not close to your vehicle, and you press the key fob button the car won't be able to respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery on your coin cell (Part number CR2032) by a new one from a trusted brand like Panasonic, Duracell, or Energizer. They can be found in the local hardware store or online.

After you've replaced the battery of your coin cell you can test it by standing near 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 the key fob won't work after replacing the battery, it may be damaged by water that blocks it from communicating with the receiver module in your car. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob salt water at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to pull the moisture out. If this fails, you'll have to get your fob changed by an auto locksmith or dealer.

Water Damage

The fob does have rubber seals that keep water from the electronic chip inside it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the circuit board of the fob that can cause it to short out and eventually end up dying. It's not good to let the fob get wet however, but don't give it up if you accidentally drop it in water or forget to remove it from your pocket.

Remove the battery first. Clean the electronic chip with isopropyl alcohol or a similar product and dry it thoroughly before replacing the battery. Then check the fob to test if it works. If the fob doesn't work, it may have to be programmed again. This is typically done by a professional or dealer auto locksmith.

If the key is more recent and has not been programmed to your vehicle, it will likely need to be replaced completely. A professional locksmith for cars can carry out this simple task. The locksmith will need to cut the key to match the ignition on your vehicle. The locksmith will also need to reprogram the fob into the car's system. This is a cost-effective and quick process that can be completed in 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 range of 30 feet, which means in the event that you are far from your vehicle it won't respond to your commands. It can be solved 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 because of an internal circuit board issue. In most cases, reprogramming the fob will resolve this issue. You can find the instructions for the majority of vehicles on YouTube or in the owner's manual.

It's possible that you need to replace the metal clips that keep the coin battery. If they loose tension, they could stop the coin battery from sitting properly, and this will cause the remote to malfunction.

In rare cases the fob might be out of the vehicle's sync because of software or hardware problems. This can cause a major issue, but you are able to frequently fix this issue by visiting an auto locksmith how to start fiat 500 without key have them reprogram your fob. In some cases, the software may also need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit the signal. This is possible when the key fob is located near the radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. The key fob may not function due to a poor connection to the buttons, water damage or damage to the internal chips.

If your key fob suddenly stopped working, or if you have tried everything at home to resolve it (e.g. battery replacement, reprogramming and using the spare key fob, it could have a defective receiver module on your 500. The receiver module is situated under the dash, and it 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 internal system, including the keyfob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electrical charge, and then restart the car's computer. This can help get your key fob to work again. If the problem persists, you should consult an expert technician. They will be able diagnose the exact cause of any issues.