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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob programming 500 key fob allows you to easily open doors and start your vehicle. There are a myriad of reasons why the fob won't be functioning. This could be due to a dead coin battery damage to the receiver module, problems, and interference.

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Dead Coin Battery

The most frequent reason why the 500 key fob won't work is a dead battery. Modern key fobs have a very limited operating range, and must be within only a few feet from the car to operate. If you are far from your vehicle and you press the keyfob button it won't 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 reputable manufacturer like Panasonic, Duracell, or Energizer. They are typically available at your local hardware store or online.

You can test the battery on your coin-cell by pressing the buttons while you're standing close to your Fiat A602 Key 500. The car will blink its parking lights, and the key fob should be able to operate the lock and unlock switches.

If the key fob won't function after replacing the battery, it could be damaged by water, which prevents it from connecting to the receiver module in your vehicle. Water damage can happen in a variety of ways, from small splashes to submerging your fob in salt water at the beach. If you suspect that your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If that doesn't work, your fob may need to be reprogrammed by an experienced auto locksmith or by the dealer.

Water Damage

Water damage can occur when 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. It's not the best idea to submerge the fob in water however, but don't give it up if you accidentally drop it in water, or fail to take it out of your pocket.

Remove the battery first. Before replacing the battery, clean the electronic chip with isopropyl or another similar product. Check the fob again to determine if it's functioning. If the key doesn't function, it may need to be programmed again. This is typically done by a professional or dealer auto locksmith.

If your key is a bit older and is not programmed to work with your vehicle it is necessary to replace it completely. A professional automotive locksmith can complete this simple process. The locksmith will have to cut the key to match the ignition in your vehicle. They'll also have to reprogram the fob for your vehicle's system. This is a fast and Fiat A602 Key affordable process that is usually completed on the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob might stop working is that it's simply out of range. The remote has a range of 30 feet, so should you be too far away from your vehicle it won't respond to your commands. It can be solved by moving it closer to your vehicle until it starts responding.

If your fob isn't working after replacing the battery for the coin, also known as a "button", "watch" or "button" It may be due to a malfunction on the circuit board inside. Reprogramming the fob is usually the solution to this problem. There are instructions on how to do this for the majority of automobiles by searching YouTube or checking out the owner's manual.

It is sometimes necessary to replace the metal clips that hold the coin batteries in the correct position. If they loose tension it could hinder the battery from sitting properly, and this will cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle due to software issues or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances, the software may also require reinstallation in your body control modules.

Interference

In addition to a dead coin battery, the key fob may not be receiving or transmitting the signal due to interference. This can happen when the key fob is in proximity to radio transmitters (cell phones or radar detectors) or another source of electromagnetic radiation. The key fob could not work because of a weak 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. You could have a malfunctioning 500 receiver module if you've tried replacing the battery, reprogramming, and using a spare key fob. The receiver module, located under the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands that are then translated by the vehicle.

There's a quick and easy way to reset the 500's in-board system, including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable, then the positive cable. Reconnect the battery. This will eliminate any remaining electricity, and restart the computer of your car. This can help get your key fob to work again. If the issue persists it is recommended that you consult an experienced technician. They will be able diagnose the exact cause of any problems.