Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob makes it simple to open doors and start your vehicle. There are a myriad of reasons why the fob won't be working. This could be due to a dead coin-battery and water damage, as well as receiver modules issues, and interference.

This listing is for an NEW Replacement fiat 500 key Fob (aiga.oktomato.Net) Fiat Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to search for local automotive locksmiths). Includes lock, unlock, and trunk buttons.

Dead Coin Battery

The most common reason your 500 key fob doesn't function is the battery is dead. Modern key fobs come with a limited operating range, and should be within only a few feet from the car to operate. If you're far from your vehicle and you hit the keyfob, 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) with a new battery from a reputable brand such as Panasonic Duracell or Energizer. They are typically available at your local hardware store or online.

You can test the battery of your coin-cell by pressing the buttons while you are standing close to your Fiat 500. The car should blink 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 that has prevented it from connecting to the module inside your vehicle. Water damage can occur through a variety of methods, including simply splashing or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, place it in a bag of rice to draw out the moisture. If this fails, you'll need to have your fob changed by an auto locksmith or dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water from the chip's electronic circuit, submerging it in the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to become shorted and eventually die. If you get the fob wet, it's not an option but if you accidentally drop it in the water in a cup or do not remember to take it out of your pants pocket before running the washing machine and you don't have a chance, don't give in.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip using isopropyl or similar products. Check the fob to determine if it's functioning. If the key does not function it could need to be reprogrammed. This is usually done by an auto locksmith or dealer.

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

Receiver Module Issues

The 500 key fob could not work because it's out of range. The remote typically has 30 feet of range or less, and if it's too far from your car, it won't respond to your commands. This can be easily fixed by moving closer to your vehicle until it begins responding.

If your fob does not work after you replace the battery in the coin, also known as a "button", "watch" or "button" or "button", it could be due to a problem with the circuit board inside. Reprogramming the fob usually resolves this problem. You can find the steps for most vehicles on YouTube or in the owner's guide.

It is possible to replace the metal retaining clips that hold the coin battery in place. If they become loose, it may prevent your battery from sitting properly, causing your remote to malfunction.

In rare cases the fob may be out of alignment with your vehicle because of hardware or software issues. This can be a major problem, but you can usually resolve this issue by visiting an auto locksmith to have them reprogram your fob for you. In some cases, the software may also require reinstallation in your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit the signal. This may happen if the key fob is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons why the key fob could not function include a weak connection to the buttons or damage to the internal chip, or water damage.

If the key for fiat 500 fob failed to work one day in the middle of the night or after trying every option at home to resolve 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 located under the dash and is able to pick up the radio frequency signals from the key fob. It transforms the signals into electronic commands, which are then interpreted by the vehicle.

Luckily, there is an easy method to reset all on-board systems in your 500, including the key fob. Disconnect the battery 12 volt for approximately 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will erase any remaining electricity, and allow you to restart the computer in your car. This could help you get your key fob working again. If the problem persists you should speak with a certified technician. They will be able diagnose the root cause of any issues.