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Reasons Your Fiat 500 Key Fob Won't Work

A fiat panda key fob replacement (tjpr.jus.Br) 500 key fob makes it simple to open doors and start your vehicle. However, there are a variety of reasons why the key fob might stop working. This includes a dead coin-battery or water damage, problems with receiver modules, as well as interference.

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

Dead Coin Battery

A dead battery is the main reason for your 500 key fob being inoperative. Key fobs of today have only a limited range of operation and must be within just a few inches of the vehicle in order to function. If you are far from your car and press the keyfob button, it will not respond, and display the message "Key Fob Not Detected".

If this happens, replace the battery in the coin cell (Part number CR2032) with a fresh one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available in your local hardware store or on the internet.

You can test the battery in the coin-cell by pressing the buttons while you're standing close to your fiat doblo key 500. The parking lights should light up and the key fob should operate the lock and unlock switch.

If your key fob isn't working after replacing the battery, there could be water damage that hinders it from communicating with the module inside your vehicle. Water damage can happen in a variety of ways, ranging from a light splash to submerging your fob in salt water at the beach. If you suspect that your fob has been exposed to water, put it in a dry rice bag to draw the moisture out. If this does not work, you'll need to have your fob reprogrammed either by an auto locksmith or dealer.

Water Damage

Although the fob is equipped with 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 cause the circuit board to short and eventually end up dying. It's not the best idea to get the fob wet but don't give up when you accidentally drop it in water or fail to remove it from your pants pocket.

Take the battery off first. Before replacing the battery clean the electronic chip with isopropyl or similar products. Next, test the fob to check if it functions. If the key doesn't work, it may need to be changed. This is typically done by a professional or dealer auto locksmith.

If the key is more recent and was not programmed to your car, it will likely need to be replaced completely. This is a simple process that can be handled by a professional locksmith for automotive use. The locksmith will have to cut the key to match the ignition of your vehicle. The locksmith also needs to reprogram the fob into the vehicle's system. This is a fast and cost-effective process that is usually completed within the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob may stop functioning is because it's out of range. The remote typically has a range of 30 feet or less and if it's far away from your car it will not respond to your commands. You can easily remedy this by moving your remote closer to your car until it responds.

If your fob doesn't work after you replace the battery in the coin, also known as a "button", "watch" or "button", it could be due to an issue with the internal circuit board. In most cases, reprogramming the fob can resolve the issue. You can find the instructions for the majority of vehicles on YouTube or in the owner's guide.

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

In rare cases the fob might become desync'd with your vehicle due to software issues or hardware issues. This could cause a significant issue, but you are able to usually resolve this issue by visiting an auto locksmith to reprogram your fob. In some cases the software may require reinstallation in your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit an signal. This could happen when the keyfob is in close proximity to a radio transmitter like a cell phone or radar detector. The key fob could not work because of a problem to the buttons, water damage or damage to the internal chips.

If the key fob has suddenly stopped working, out of the blue and you've tried everything you can do at home to fix it e.g. You may have a faulty 500 receiver module if you've tried replacing the battery, reprogramming it, or using an alternative key fob. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. It converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy method 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 remove any residual electricity and restart the car's computers. This could allow you to the key fob to function again. If the issue persists you should seek out an expert certified technician. They can determine the exact cause of your problems.