Reasons Your fiat 500 spare key cost 500 Key Fob Won't Work

A fiat key replacement 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, issues, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It has to be professionally programmed (click here to find local locksmiths for your vehicle). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob will not function is a dead battery. Modern key fobs have a very limited range of operation, and should be within a few feet of the vehicle to function. If you're far from your vehicle when 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 then replace the battery for your coin-cell (Part Number CR2032) by a fresh one of a trusted brand such as Panasonic Duracell or Energizer. They can be found in the local hardware store or on the internet.

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

If the key fob doesn't work after replacing the battery, it might have water damage that stops it from connecting to the receiver module inside your vehicle. Water damage can occur in a number of ways, from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob has been exposed to water, you can place it in a rice bag to draw out the moisture. If this doesn't work your fob is likely to require reprogramming by a professional auto locksmith or by the dealer.

Water Damage

The fob does have rubber seals that keep water from the chip's electronic circuit it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and vehicle eventually cease to function. It's not the best idea to soak the fob in water however, but don't give it up if you accidentally drop it in water, or fail to remove it from your pants pocket.

Remove the battery first. Before replacing the battery, clean the electronic chip with isopropyl or similar products. Next try the fob and check if it functions. If the key doesn't function it could need to be reset. This is usually handled by an auto locksmith or dealer.

If the key is newer and has not been programmed to your vehicle It will most likely need to be replaced completely. This is a straightforward process that can be completed by a professional automotive locksmith. The locksmith will need the key to be cut to match your vehicle's ignition. They will also need to reprogram the fob in your vehicle's system. This is an affordable and quick procedure that can be completed on the same day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob may stop working is because it's out of range. The remote usually has 30 feet of range or less and if it's far from your vehicle, it will not respond to your commands. It can be solved by moving it closer to your vehicle until it starts responding.

If you've replaced the battery in your coin (commonly known as a "button" or "watch") and your fob doesn't function It could be because of an internal circuit board issue. Reprogramming the fob is usually the solution to this problem. You can find the instructions on how to do this on the majority of vehicles by searching YouTube or looking through the owner's manual.

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

In rare instances the fob could be disconnected from your vehicle due to software issues or hardware issues. It is possible to fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In certain instances it may be necessary to install the software again in your body control module too.

Interference

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

If the key fob failed to work one day suddenly and you've tried every option at home to fix it e.g. You might have a damaged 500 receiver module If you've tried replacing it with a battery, reprogramming, and using an alternative key fob. The receiver module, located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It then converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset all on-board 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 clear out any remaining electrical charge and restart the car's computers. This could help the key fob to function again. If the issue persists, you should seek the advice of an expert technician. They can determine the exact cause of your problems.