Reasons Your Fiat 500 Key Fob Won't Work

A lost fiat 500 key 500 key fob is a great way to open the doors and start the car. There are many reasons the fob could stop working. These include a dead battery or damaged receiver module, water damage issues, or interference.

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Dead Coin Battery

The most common reason the 500 key fob won't work is a dead battery. Modern key fobs operate with a limited range of operation, and should be within a few feet of the car to operate. If you are further away from your vehicle and you press the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) by a fresh one from a reputable brand like Panasonic Duracell or Energizer. They can be found in your local hardware store or on the internet.

You can test the battery on your coin-cell by pressing the buttons while you are standing close to your fiat 500 how to open boot without key 500. The car will flash its parking lights, and the key fob should be able to operate the lock and unlock buttons.

If the key fob won't work after replacing the battery, it could be damaged by water, which prevents it from communicating with the receiver module inside your vehicle. Water damage can happen in a number of ways, from an accidental splash to submerging your fob in salt water at the beach. If you suspect your fob has been exposed to water, put it in a dry rice bag to pull the moisture out. If that doesn't work your fob is likely to need to be reprogrammed by an experienced auto locksmith or dealer.

Water Damage

While the fob comes with rubber seals that keep water from the chip's electronic circuit the device, submerging it into the ocean or washing it in a machine could cause water damage. Saltwater poses a particular risk to the fob's circuit board, causing it to short out and eventually end up dying. In the event that you let your fob get wet, it's not an option, but if you drop it in a cup of water or do not remember to remove it from your pants pocket prior to running the washing machine, don't give up hope.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl, or a similar product. Then test the fob to verify if it is working. If the key still doesn't work, it might need to be reprogrammed. This is typically handled by a dealer or professional auto locksmith.

If the key is newer and hasn't been programmed to your car, it will likely need to be replaced completely. This is an easy process which can be accomplished by a professional locksmith for automotive use. The locksmith will need the key cut to match the car's ignition. The locksmith also needs to reprogram your fob into the vehicle's system. This is a fast and inexpensive process which can be completed within the same day.

Receiver Module Issues

Your 500 key fob might not work because it's out of range. The remote's range is of 30 feet, which means in the event that you are far from your vehicle, it won't respond to your commands. It is possible to remedy this by moving your remote closer to your vehicle until it responds.

If your fob doesn't work after you replace the battery inside the coin, which is also called a "button", "watch" or "button" or "button", it could be due to a problem with the internal circuit board. Reprogramming the fob usually resolves this issue. You can find the instructions on how to do this on the majority of vehicles by searching YouTube or consulting the owner's manual.

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

In rare cases the fob could be out of sync with your vehicle because of hardware or software issues. This can be a major headache, but you can frequently fix this issue by visiting an auto locksmith to have them reprogram your fob for you. In some instances the software may require reinstallation into your body control modules.

Interference

In addition to a dead coin battery The key fob might not be able to transmit or receive the signal due to interference. This could happen when the keyfob's location is in close proximity to a radio transmitter like a cellphone or radar detector. Other reasons why the key fob may not function could be due to a weak connection to the buttons and internal chip or water damage.

If the key fob has suddenly stopped working, out of the blue, or after trying every option at home to resolve it e.g. replacing batteries, reprogramming or using the spare key fob, you may have a damaged receiver module on your 500. The receiver module, located beneath the dashboard, picks up radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy way to reset all of the onboard systems in your 500 and include the key fob. Disconnect the battery of 12 volts for about 15 minutes, by disconnecting the negative cable first then the positive cable. Then reconnect the battery. This will remove any remaining electrical charge and restart the car's computers, which can help the key fob to function again. If the issue continues, you should seek the advice of an expert technician. They'll be able to diagnose the exact cause of your issues.