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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the Fiat 500 is a convenient way to unlock the doors and start the car. There are many reasons why the fob won't work. These include a dead coin battery, damaged receiver module, water damage issues, and interference.

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

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob not functioning. Key fobs of today have an operating range that is limited and must be within a few inches of the vehicle in order to work. If you're far away from your vehicle and press the key fob button, the car won't respond and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin-cell battery (Part Number CR2032) by a fresh one of a reliable brand, like Panasonic Duracell or Energizer. They are typically available in your local hardware store, or online.

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

If www.thekeylab.co.uk fob doesn't work even after replacing the battery, it may be water damage which is preventing it from communicating with the module in your vehicle. Water damage can occur in many ways, such as the simple splash or submerging your key fob in saltwater at the beach. If you believe your fob was exposed to water, put it in a bag of rice to draw out the moisture. If that doesn't work, your fob will probably need to be reset by an experienced auto locksmith or by the dealer.

Water Damage

Water damage can happen if you immerse the fob in the ocean, or wash it in a washer. Saltwater can cause the circuit board to short and eventually cease to function. Getting the fob wet is not a good idea however, if you drop it in an empty cup of water, or don't remember to remove it from your pocket before you run the washing machine, don't give up hope.

Take the battery off first. Clean the electronic chip with isopropyl or a similar product and dry it thoroughly before replacing the battery. Check the fob to see if it is working. If the key doesn't function, it may need to be reset. This is usually handled by an auto locksmith or dealer.

If your key is old and has not been programmed for your car You will need to replace it completely. A professional automotive locksmith can carry out this simple task. The locksmith will require the key to be cut to match your vehicle's ignition. They'll also have to reprogram the fob to your vehicle's system. This is a cheap and quick process that could be completed within the same day.

Receiver Module Issues

One of the main reasons your 500 key fob might stop functioning is because it's out of range. The remote usually has 30 feet of range or less and if it's far from your car, it won't respond to your commands. You can easily solve this issue by moving the remote closer to your car until it responds.

If your fob does not work after you replace the battery in the coin, also called a "button", "watch" or "button" It may be due to a malfunction on the circuit board inside. In the majority of cases, reprogramming your fob will resolve this problem. You can find the instructions on how to do this on the majority of vehicles by searching YouTube or checking out the owner's manual.


It is possible to replace the metal clips that hold the coin batteries in the correct position. If they lose tension they could stop the battery from being properly seated, and this will result in the malfunction of your remote.

In rare cases, the fob may become disconnected from your vehicle due to software or hardware issues. This can cause a major headache, but you can usually fix it by visiting an auto locksmith to have them reprogram your fob. In certain situations they might need to install the software again in your body control module too.

Interference

Interference can also cause the key fob to not receive or transmit a signal. This can occur when the key fob is in close proximity to a radio transmitter such as a cell phone or radar detector. The key fob might not work due to a poor connection to the buttons water damage or damage to the internal chips.

If the key fob has suddenly stopped working, in the middle of the night or even after trying everything you can at home to fix it e.g. You might have a damaged 500 receiver module if you've tried replacing the battery, reprogramming it, or using a spare key fob. The receiver module is situated under the dash and picks up the radio frequency signals from the key fob. It transforms the signals into electronic commands, which are then interpreted by the vehicle.

Luckily, there is an easy way to reset all of the on-board systems in your 500 device, including the key fob. Disconnect the battery for 15 minutes, removing first the negative cable, then the positive cable. Reconnect the battery. This will clear out any remaining electrical charge and restart the car's computers. This can help get your key fob working again. If the problem persists you should speak with an expert technician. They will be able diagnose the root of any issues.

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