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Reasons Your Fiat 500 Key Fob Won't Work

A key fob with the fiat 500 number is a convenient way to unlock the doors and start the car. However, there are many reasons why the fob may stop working. It could be due to a dead battery or damaged receiver module, water damage issues, and interference.

This listing is for a NEW replacement fiat punto key replacement Flip Key Remote - look-alike Ilco brand that needs to be programmed professionally by a local automotive locksmith (click here for Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob doesn't function is a dead battery. Modern key fobs have an operating range that is limited and must be within a few inches of your vehicle to work. If you are 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 happens, replace the battery on your coin cell (Part number CR2032) with a fresh one from a reliable brand such as Panasonic, Duracell, or Energizer. You can usually find them in your local hardware store or on the internet.

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

If the key fob won't work after replacing the battery, it might be damaged by water, which prevents it from communicating with the receiver module inside your car. Water damage can occur in many ways, including the simple splash or submerging the key fob saltwater at the beach. If you think your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this isn't working, you'll require your fob to be changed by an auto locksmith or a dealer.

Water Damage

While the fob has some rubber seals to keep water out of the chip's electronic circuit and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to become shorted and eventually end up dying. It's not a good idea to submerge the fob in water however, don't give it up if you accidentally drop it in water or forget how to unlock fiat 500 boot without key remove it from your pocket.

First remove the battery from the fob. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Test the fob afterward to verify if it's functioning. If the key still doesn't work, it may have to be programmed again. This is usually done by an auto locksmith or dealer.

If your key is old and has not been programmed to work with your vehicle then you'll need 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 of your car. The locksmith will also have to reprogram the fob into the car's system. It's a simple and affordable process which can be completed on the same day.

Receiver Module Issues

The 500 key fob you have may not function because it's out of range. The remote's range is of 30 feet, so should you be too far from your car, it won't respond to your commands. You can solve this problem by moving the remote closer to your vehicle until it responds.

If you've replaced the battery on your coin (commonly called a "button" or "watch") and the fob isn't working it could be due to an internal circuit board problem. Reprogramming the fob typically resolves this problem. You can find the procedure for the majority of vehicles on YouTube or in the owner's guide.

It is sometimes necessary to replace the clips made of metal that hold the coin batteries in place. If they lose tension, it could prevent your coin battery from sitting properly and cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle because of software or hardware issues. You can fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. locked keys in car boot fiat punto certain situations they may have to reinstall the software on your body control module, too.

Interference

Interference can also cause the key fob to not receive or transmit an signal. This can happen when the key fob is near a radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. Other reasons why the key fob may not function include a poor connection to the buttons and internal chip, or water damage.

If the key fob has suddenly stopped working, suddenly and you've tried everything you can do at home to solve it e.g. You might have a damaged 500 receiver module in the event that you've tried replacing the battery, reprogramming it, or using a spare key fob. The receiver module, located beneath the dashboard, receives radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset all on-board systems in your 500 and include the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity and restart the car's computer system, which can help you get your key fob working again. If the issue persists you should speak with an expert certified technician. They'll be able identify the root cause of your problems.