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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a great way to open the doors and begin the car. However, there are a variety of reasons why the key fob might stop functioning. This could be due to a dead coin battery, damage to the receiver module, issues, and interference.

This listing is for an NEW replacement fiat 500 new key Flip Key Remote that looks like the Ilco brand. It has to be professionally programmed (click here to search for local automotive locksmiths). It includes 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 an operating range that is limited and Fiat 500 Key must be within a few inches of your vehicle in order to work. If you're far away from your vehicle, and you press the key fob button, the car won't respond, and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin cell battery (Part number CR2032) with a new one from a reliable brand such as Panasonic, Duracell, or Energizer. You can find them in your local hardware store or online.

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

If the key fob doesn't function after replacing the battery, it might have water damage that prevents it from communicating with the receiver module inside your car. Water damage can happen in many ways, including a simple splash or submerging the 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 this fails, you'll require your fob to be reprogrammed either by an auto locksmith or dealer.

Water Damage

Water damage can occur when you submerge the fob in the ocean or wash it in a washer. Saltwater can cause the circuit board to short, and eventually fail. In the event that you let your fob get wet, it's not an ideal idea however, if you drop it into the water in a cup or do not remember to take it out of your pants pocket prior to running the washing machine, don't give up hope.

First take the battery off the fob. Before replacing the battery clean the electronic chip using isopropyl or a similar product. Test the fob afterward to see if it is working. If the key doesn't work, it may have to be programmed again. This is usually done by an auto locksmith or dealer.

If the key is newer and hasn't been programmed to your car It will most likely need to be replaced completely. This is a simple process which can be accomplished by a professional automotive locksmith. The locksmith will require the key cut to match the car's ignition. They'll also need to reprogram the fob in your car's system. This is a simple and cost-effective process that can usually be completed the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob might stop working is because it's out of range. The remote typically has a range of 30 feet or less and if it's far from your car, it will not respond to your commands. This can be easily fixed by moving it closer to your vehicle until it begins responding.

If your fob isn't working after you replace the coin battery, also called a "button", "watch" or "button" it may be due to a malfunction on the internal circuit board. Reprogramming the fob typically resolves this problem. You can find instructions on how to do this for most automobiles by searching YouTube or reading 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 it could hinder the battery from being properly seated, and this will cause your remote to malfunction.

In rare instances, the fob can become out of connection with your vehicle as a result of 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 it is possible that the software will require reinstallation to your body control modules.

Interference

In addition to a dead battery on a coin The key fob may not be able to receive or transmit a signal due to interference. This can happen when the key fob is located near the radio transmitter (cell phones or radar detectors) or any other source of electromagnetic radiation. The key fob may not function due to a bad connection to the buttons or water damage, or damage to the internal chips.

If the key fob has failed to work one day out of the blue and you've tried everything you can at home to resolve it e.g. replacing batteries, reprogramming or using the spare key fob, it could have a malfunctioning receiver module on your 500. 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.

There's a quick and easy way to reset the 500's in-board system, including the keyfob. Disconnect the battery of 12 volts for about 15 minutes, by removing the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electrical charge and restart the car's computers. This could help get your key fob working again. If the issue persists it is recommended that you consult a certified technician. They will be able to determine the root of your problem.