Reasons Your fiat panda replacement key 500 Key Fob Won't Work

A fiat 500 key fob is a convenient method to unlock the doors and get started the car. There are a myriad of reasons why the key fob might stop working. This includes a dead coin-battery, water damage, issues with the receiver module, and interference.

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Dead Coin Battery

The most common reason your 500 key fob will not function is a dead battery. Key fobs of today have only a limited range of operation and must be within a few inches of the vehicle to work. If you are further away from your vehicle, and you press the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this occurs you need to replace the battery of your coin-cell (Part Number CR2032) by a new one of a reliable brand, such as Panasonic Duracell or Energizer. You can usually find them at your local hardware store, or online.

You can test the coin-cell battery by pressing the buttons while you are standing close to your Fiat 500. The parking lights will flash and the key fob should operate the lock and unlock switches.

If your key fob doesn't work even after replacing the battery, it might be water damage that prevents it from communicating with the module in your vehicle. Water damage can happen in a number of ways, ranging from small splashes to submerging your fob in salt water at the beach. If you suspect your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If this fails, you'll require your fob to be changed by an auto locksmith or a dealer.

Water Damage

Water damage can occur when you immerse the fob into the ocean, or wash it in a machine. Saltwater poses a particular risk to the circuit board of the fob that can cause it to short out and eventually die. It's not good to get the fob wet, but don't give it up when you accidentally drop it in water or fail to take it out of your pants pocket.

Take the battery off first. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Next, test the fob to check if it functions. If the key doesn't function, it may need to be changed. This is usually done by an auto locksmith or dealer.

If your key is older and not programmed to work with your vehicle You will need to replace it completely. A professional automotive locksmith will be able to complete this process. The locksmith must cut the key to match the ignition on your vehicle. The locksmith also needs to reprogram fiat 500 key fob your fob into the car's system. This is a low-cost and fast process that can be completed within the same day.

Receiver Module Issues

The 500 key fob could not function because it's out of range. The remote's range is of 30 feet, so should you be too far from your vehicle it won't be able to respond to your commands. It is possible to fix this by moving the remote closer to your vehicle until it responds.

If your fob won't work after replacing the battery in the coin, also known as 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 solve the problem. You can find the instructions on how to do this for the majority of vehicles by searching YouTube or checking out the owner's manual.

It is possible to replace the clips made of metal that hold the coin batteries in the correct position. If they loose tension it could hinder the coin battery from being properly seated and could result in the malfunction of your remote.

In rare instances it is possible that the fob will become desync'd with your vehicle due to software or hardware issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances, they may need to reinstall the program in your body control module too.

Interference

Interference can also cause the key fob to not be able to receive or transmit signals. This could occur if the key fob is close to an electronic radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons the key fob might not function could be due to a weak connection to the buttons or damage to the internal chip, or water damage.

If the key fob suddenly stopped working, in the middle of the night or after trying every option at home to solve it e.g. replacing the battery, reprogramming, and using the spare key fob, you may 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. Then, it converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy method of resetting all of the onboard systems in your 500, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Then reconnect the battery. This will remove any remaining electricity, and allow you to restart the car's computer. This can help you get your key fob working again. If the issue continues, you should consult an expert technician. They'll be able determine the exact cause of your problems.