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Reasons Your Fiat 500 Key Fob Won't Work

A key fob with the fiat car keys 500 number is a convenient way to open the doors and start the car. There are many reasons the fob won't work. These include a dead coin battery or damaged receiver module, water damage issues, and interference.

This listing is for a NEW replacement fiat multipla key Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths in the automotive industry). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob will not function is an inactive battery. Modern key fobs come with a limited range of operation, and must be within a few feet of the vehicle in order to function. If you're far from your vehicle, and you push the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this occurs If this happens, replace the battery in the coin-cell (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. You can typically 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 key 500. The car should blink its parking lights, and the key fob will operate the lock and unlock buttons.

If your key fob does not work after replacing the battery, it may be water damage that is preventing it from interacting with the module inside your vehicle. Water damage can occur in a number of ways, ranging from the slightest splash to submerging the fob salt water at the beach. If you suspect your fob has been exposed to water, you can try placing it in a dry rice bag to pull the moisture back out. If this isn't working, you'll need to have your fob replaced by an auto locksmith or a dealer.

Water Damage

The fob does have rubber seals to keep water from the electronic chip inside it, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to short and eventually fail. If you get the fob wet, it's not a good idea, but if you drop it in a glass of water or do not remember to remove it from your pants pocket before running the washing machine and you don't have a chance, don't give in.

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 try the fob and check if it functions. If the key doesn't work, it may need to be programmed again. This is usually done by an auto locksmith or dealer.

If the key you have is older and not programmed for your vehicle then you'll need to replace it completely. This is a straightforward 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 Repair. The locksmith will also have to reprogram your fob in the car's system. This is a quick and cost-effective procedure that can usually be completed in the same day.

Receiver Module Issues

Your 500 key fob might stop working because it is out of range. The remote has a range of 30 feet. Therefore, in the event that you are far from your car it won't be able to respond to your commands. This can be fixed by moving it closer to your vehicle until it begins responding.

If you've replaced the battery in your coin (commonly known as a "button" or "watch") and your fob still won't work, it could have an internal circuit board issue. In the majority of cases, reprogramming your fob can resolve the problem. The instructions are available 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 keep the coin battery. If they lose tension, they could stop the coin battery from sitting properly, and this will cause your remote to malfunction.

In rare cases the fob can become out of alignment with your vehicle because of hardware or software problems. This could be a huge trouble, but you could frequently fix this issue by visiting a local dealer or auto locksmith to reprogram your fob for you. In some instances the software might require reinstallation into your body control modules.

Interference

In addition to a dead battery on a coin the key fob could not be receiving or transmitting a signal due to interference. This can happen when the key fob is close to the radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function include a poor connection to the buttons, damage to the internal chip or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to solve the issue (e.g. battery replacement, reprogramming and using the spare key fob, you may have a faulty receiver module on your 500. The receiver module is situated under the dash and receives the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

There is a straightforward method to reset the 500's in-board system including the keyfob. Disconnect the 12 volt battery for about 15 minutes by taking off the negative cable first then the positive cable. Then reconnect the battery. This will eliminate any remaining electricity, and restart the computer in your car. This can help get your key fob working again. If the issue persists, you should consult an experienced technician. They can identify the exact cause of problems.