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Reasons Your fiat key programmer (willysforsale.Com) 500 Key Fob Won't Work

A Fiat 500 key fob makes it easy to open doors and start your vehicle. There are many reasons the fob could stop working. It could be due to a dead battery or damage to the receiver module, problems, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It has to be professionally programmed (click here to search for local locksmiths in the automotive industry). Includes lock, unlock and trunk buttons.

Dead Coin Battery

The most frequent reason that your 500 key fob doesn't function is a dead battery. Modern key fobs come with a limited operating range and should be within only a few feet from the vehicle to operate. If you are not within your vehicle, and you press the keyfob button it will not respond, and display the message "Key Fob Not Detected".

If this occurs then replace the battery for your coin-cell (Part Number CR2032) by a brand new one of a trusted brand such as Panasonic Duracell or Energizer. They can be found in your local hardware store, or Fiat Key Programmer on the internet.

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

If your key fob isn't working after replacing the battery, it may be water damage which prevents it from interacting with the module in your vehicle. Water damage can happen in a variety of ways, ranging from a light splash to submerging your fob in salt water at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If that doesn't work your fob will probably need to be reprogrammed by an experienced auto locksmith or dealer.

Water Damage

While the fob has some rubber seals that keep water from the electronic chip inside it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater poses a particular risk to the circuit board of the fob and can cause it to short out and eventually die. Getting the fob wet is not a good idea but if you accidentally drop it into a glass of water or forget to remove it from your pants pocket prior to running the washer do not give up hope.

Remove the battery first. Clean the electronic chip using isopropyl alcohol or a similar product and dry it completely before replacing the battery. Then try the fob and see if it works. If the key doesn't function, it may need to be programmed again. This is typically done by a dealer or professional auto locksmith.

If the key you have is older and not programmed for your car it is necessary to replace it completely. This is a straightforward process that can be handled by a professional locksmith for automotive use. The locksmith will need the key cut to match the car's ignition. The locksmith will also need to reprogram the fob into the car's system. This is an affordable and quick process that could be completed on the same day.

Receiver Module Issues

One of the main reasons your 500 key fob could stop functioning is that it's out of range. The remote has a range of 30 feet. Therefore, when you're too far away from your vehicle, it won't respond to your commands. It's easy to fix this by moving the remote closer to your vehicle until it responds.

If your fob does not work after you replace the coin battery, also called a "button", "watch" or "button", it could be due to an issue with the internal circuit board. In most cases, reprogramming the fob will solve the problem. You can find instructions on how to start a fiat 500x with key to do this for most vehicles by searching YouTube or looking through the owner's manual.

You may have to replace the metal clips that hold the battery of your coin in place. If they lose tension it can prevent the coin battery from being seated properly and could result in the malfunction of your remote.

In rare instances, the fob may be out of the vehicle's sync because due to hardware or software issues. This can cause a major issue, but you are able to usually fix it by visiting a local dealer or auto locksmith to reprogram your fob for you. In some cases, they may need to reinstall the program in your body control module as well.

Interference

In addition to a dead battery on a coin, the key fob may not be receiving or transmitting signals due to interference. This may happen if the keyfob's location is in close proximity to a radio transmitter such as a cell phone or radar detector. Other reasons the key fob could not function include a poor connection to the buttons or the internal chip or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to fix it (e.g. replacing batteries, reprogramming or using the spare key fob, you might have a defective receiver module on your 500. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It transforms the signals into electronic commands that are then translated by the vehicle.

There is a simple way to reset the 500's onboard system including the keyfob. Disconnect the 12 volt battery for about 15 minutes by disconnecting the negative cable first then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity and then restart the car's computer system, which can help get your key fob working again. If the issue continues you should speak with an experienced technician. They'll be able diagnose the exact cause of your problems.