Reasons Your fiat car key cutting 500 Key Fob Won't Work

A key fob from fiat key programming 500 spare key cut (heartmatters.co) 500 makes it easy to open doors and start your vehicle. There are many reasons the fob won't work. This could be due to a dead coin-battery water damage, issues with the receiver module, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to search for local locksmiths for your vehicle). Includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob not functioning. Modern key fobs have a limited operating range, and must be within only a few feet from the vehicle to operate. If you're far from your vehicle and press the key fob button the car won't respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this occurs, replace the coin-cell battery (Part Number CR2032) by a brand new one from a reputable brand such as Panasonic Duracell or Energizer. They are usually available in your local hardware store, or online.

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

If your key fob still isn't working even after replacing the battery, there could be water damage that is preventing it from connecting to the module in your vehicle. Water damage can happen in many ways, including an easy splash or submerging the key fob in saltwater at the beach. If you suspect your fob was exposed to water, try putting it in a dry rice bag to pull the moisture out. If that doesn't work the fob might require reprogramming by an experienced locksmith or dealer.

Water Damage

Water damage can occur when you immerse the fob into the ocean, or wash it in a machine. Saltwater is particularly dangerous to the fob's circuit board, causing it to short out and eventually end up dying. The fob getting wet is not an ideal idea but if you accidentally drop it into an empty cup of water, or do not remember to take it out of your pocket before you run the washing machine do not give up hope.

First take the battery off the fob. Clean the electronic chip using isopropyl alcohol or a similar product and then dry it completely before replacing the battery. Next, test the fob to verify if it is working. If the key does not function it could need to be reset. This is usually done by an auto locksmith or dealer.

If your key is older and is not programmed for your car it is necessary to replace it completely. This is a simple process which can be accomplished by a professional automotive locksmith. The locksmith will require the key to be cut to match the car's ignition. The locksmith will also have to reprogram your fob in the car's system. This is a fast and inexpensive process that can be completed on the next day.

Receiver Module Issues

The 500 key fob you have may be inoperable 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. It's easy to remedy this by moving your remote closer to your car until it responds.

If you've replaced the battery on your coin (commonly called a "button" or "watch") and your fob doesn't function It could be because of an internal circuit board issue. In most cases, reprogramming the fob will fix the problem. You can find the procedure for the majority of vehicles on YouTube or in the owner's manual.

It's possible that you need to replace the metal retaining clips that hold the battery of your coin in place. If they lose tension they could stop the coin battery from sitting properly and cause your remote to malfunction.

In rare cases, the fob may become disconnected from your vehicle due to software issues or hardware issues. This can be a major issue, but you are able to often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In certain situations, they may need to reinstall the program fiat 500 key fob in your body control module too.

Interference

In addition to a dead coin battery The key fob might not be able to transmit or receive the signal due to interference. This could occur if the key fob is in close proximity to a radio transmitter, like a cellphone 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 your key fob suddenly stopped working, or if you've tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, it could have a damaged receiver module on your 500. The receiver module, which is located beneath the dashboard, detects radio frequency signals from your key fob. It converts the signals into electronic commands which are then interpreted by the vehicle.

Fortunately, there's an easy method to reset all on-board systems in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will remove any remaining electrical charge and restart the car's computer system, which can help you the key fob to function again. If the issue persists, you should speak with an expert technician. They will be able to determine the root cause of any problems.