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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the Fiat 500 allows you to easily open doors and start your vehicle. There are many reasons the fob won't work. This includes a dead coin-battery water damage, problems with the receiver modules, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to search for local locksmiths for automotive locksmiths). Includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the most common reason for your 500 key fob not functioning. Modern key fobs have a limited operating range, and should be within only a few feet from the vehicle to function. If you're far from your car and push the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this occurs, replace the coin-cell battery (Part Number CR2032) by a fresh one of a reliable brand, such as Panasonic Duracell or Energizer. You can usually find them in your local hardware store, or online.

After you've replaced the coin cell battery, you can test it by standing near your Fiat 500 and pressing the buttons. The car should flash its parking lights, and the key fob should be able to operate the lock and unlock switches.

If your key fob still isn't working after replacing the battery, there may be water damage that prevents it from communicating with the module in your vehicle. Water damage can occur through a variety of methods, including the simple splash or submerging the key fob saltwater at the beach. If you suspect your fob was exposed to water, put it in a dry rice bag to pull the moisture out. If this doesn't work, you will require your fob to be reprogrammed either by an auto locksmith or dealer.

Water Damage

While the fob comes with rubber seals to keep water out of the chip's electronic circuit 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 end up dying. fiat doblo key getting wet is not an ideal choice but if you accidentally drop it in a cup of water or fail to remove it from your pants pocket prior to running the washer do not give up hope.





First, remove the battery. Before replacing the battery, clean the electronic chip using isopropyl or another similar product. Then test the fob to verify if it is working. If the key does not function then it might need to be programmed again. This is usually done by an auto locksmith or dealer.

If the key is a newer model and hasn't been programmed to your car It will most likely need to be replaced completely. This is a simple process that can be carried out by a professional automotive locksmith. The locksmith will need the key to be cut to match the car's ignition. The locksmith will also need to reprogram your fob in the car's system. This is a quick and inexpensive process that can usually be completed the next day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob could stop working is because it's out of range. The remote usually has a range of 30 feet or less, and if it's too far from your vehicle, it won't respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.

If you've replaced the battery in your coin (commonly called"button" or "button" or "watch") and the fob isn't working it could be due to an internal circuit board problem. Reprogramming the fob is usually the solution to this issue. You can find instructions on how to do this on the majority of vehicles by searching YouTube or looking through the owner's manual.

You may have to replace the metal clips that keep the coin battery. If they lose tension it can prevent your coin battery from sitting properly, causing your remote to malfunction.

In rare instances, the fob may be out of alignment with your vehicle because due to hardware or software issues. This could cause a significant trouble, but you could frequently fix this issue by visiting a local dealer or auto locksmith to reprogram your fob for you. In certain situations it may be necessary to reinstall the program in your body control module, too.

Interference

In addition to a dead battery on a coin The key fob may not be able to receive or transmit an signal due to interference. This can occur when the keyfob is in close proximity to a radio transmitter like a cellphone or radar detector. Other reasons why the key fob may not function include a weak connection to the buttons and 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. replacing the battery, reprogramming it and using the spare key fob, you may have a defective receiver module on your 500. The receiver module, located under the dashboard, detects radio frequency signals from your key fob. It converts the signals into electronic commands which are then read by the vehicle.

Fortunately, there's an easy method of resetting all of the on-board systems in your 500 and include the key fob. Disconnect the battery for 15 minutes, removing first the negative cable, then the positive cable. Then, reconnect the battery. This will get rid of any remaining electricity and then restart the car's computer system, which can help the key fob to function again. If the issue persists it is recommended that you consult an expert technician. They can identify the root of any problems.