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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it easy to open doors and start your vehicle. There are a myriad of reasons the fob could stop working. This could be due to a dead coin-battery and water damage, as well as problems with receiver modules, as well as interference.

This listing is for a NEW replacement fiat 124 spider key fob not working Flip Key Remote - like the Ilco brand that needs to be professionally programmed by a local locksmith (click here for Locksmith Search). It includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the main cause of your 500 key fob that isn't working. Modern key fobs have a limited range of operation and must be within a few inches of your vehicle to function. If you are not within your car and push the keyfob button it will not respond and display the message "key for fiat 500 Fob Not Detected".

If this happens, replace the coin-cell battery (Part Number CR2032) by a brand new one from a reputable brand such as Panasonic Duracell or Energizer. You can find them at your local hardware store, or online.

After you've replaced the coin cell battery, you can test it by standing near your fiat car keys cut 500 and pressing the buttons. The parking lights should blink and the key fob should operate the lock and unlock switch.

If the fob's key doesn't work after replacing the battery, it might have water damage that prevents it from connecting to the receiver module in your vehicle. Water damage can occur through a variety of methods, including an easy splash or submerging the key code fiat fob in saltwater at the beach. If you suspect your fob has been exposed to water, try putting it in a dry rice bag to pull the moisture back out. If this doesn't work, the fob might require reprogramming by a professional locksmith or dealer.

Water Damage

While the fob comes with rubber seals that keep water from the chip's electronic circuit and out of the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the fob's circuit board which causes it to short out and eventually end up dying. It's not the best idea to get the fob wet however, but don't give it up in the event that you accidentally drop it in water or fail to remove it from your pocket.

First, remove the battery. Clean the electronic chip using isopropyl ethanol or a similar product and dry it thoroughly before replacing the battery. Then check the fob to test if it works. If the fob doesn't function, it may need to be reset. This is typically done by a professional or dealer auto locksmith.

If your key is older and is not programmed to work with your vehicle You will need to replace it completely. This is a simple process that can be carried out by a professional automotive locksmith. The locksmith must cut the key to match the ignition of your car. The locksmith also needs to reprogram your fob into the vehicle's system. This is a fast and inexpensive process that can usually be completed in the same day.

Receiver Module Issues

Your 500 key fob may not function because it's out of range. The remote usually has an area of 30 feet or less, and if it's too far away from your car it won't respond to your commands. This can easily be resolved by moving it closer to your vehicle until it starts responding.

If your fob isn't working after you replace the battery inside the coin, which is also known as a "button", "watch" or "button" It could be due to a problem with the internal circuit board. In the majority of cases, reprogramming your fob will solve the problem. You can find directions on how to start fiat 500 without Key to do this for all vehicles by searching YouTube or looking through the owner's manual.

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

In rare instances, the fob may become disconnected from your vehicle due to software problems or hardware issues. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances, the software may also require reinstallation into your body control modules.

Interference

In addition to a dead coin battery The key fob might not be able to receive or transmit signals due to interference. This can occur when the keyfob is located in close proximity to a radio transmitter, like a cellphone or radar detector. The key fob could not function because of a problem with the buttons or water damage, or damage to the internal chips.

If your key fob suddenly stopped working, or you've tried everything at home to fix it (e.g. replacing the battery, reprogramming, and using the spare key fob, you might have a defective receiver module on your 500. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. It transforms the signals into electronic commands that are then translated by the vehicle.

Luckily, there is an easy method of resetting all of the onboard systems in your 500 keys, including the key fob. Disconnect the 12 volt battery for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will clear out any remaining electrical charge and restart the car's computers, which could help get your key fob working again. If the issue persists it is recommended that you consult an expert certified technician. They can identify the root cause of your problems.