How To Explain Fiat Panda Key Fob Replacement To Your Grandparents Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob allows you to easily open doors and start your car. However, there are a variety of reasons the fob could stop working. This could be due to a dead battery, water damage, receiver modules issues, and interference.

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

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob not working. Key fobs of today have a limited range of operation and must be within only a few inches from the vehicle in order to function. If you are further away from your car and press the keyfob button, it won't respond and display the message "Key Fob Not Detected".

If this happens, replace the battery of your coin cell (Part number CR2032) with a fresh one 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 on your coin-cell by pressing the buttons while standing close to your Fiat 500. The car should flash its parking lights, and the key fob should work the lock and unlock switches.

If the fob's remote doesn't work after replacing the battery, it might have water damage that stops it from connecting to the receiver module in your car. Water damage can happen through a variety of methods, including a simple splash or submerging the key fob into saltwater 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 back out. If that doesn't work, the fob might need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

While the fob comes with rubber seals to keep water out of the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the fob's circuit board that can cause it to short out and eventually die. In the event that you let your fob get wet, it's not an option, but if you drop it in an empty cup of water, or forget to remove it from your pants pocket before running the washing machine Don't give up hope.

First remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or another similar product. Test the fob afterward to see if it is functioning. If the fob doesn't work, it may need to be programmed again. replacement fiat key fob is typically done by a professional or dealer auto locksmith.


If the key is a newer model and has never been programmed to your vehicle it is likely to need to be replaced completely. A professional locksmith in the automotive industry will be able to complete this process. The locksmith will require the key to be cut to match your car's ignition. They'll also have to reprogram the fob to your vehicle's system. This is a quick and affordable process that can usually be completed the same day.

Receiver Module Issues

Your 500 key fob may not function because it's out of range. The remote has a maximum range of 30 feet. Therefore, in the event that you are far from your vehicle, it won't respond to your commands. You can solve this problem by moving the remote closer to your car until it responds.

If you've replaced the coin battery (commonly known as a "button" or "watch") and the fob won't work it could be due to an internal circuit board issue. Reprogramming your fob can resolve this problem. The instructions are available for the majority of vehicles on YouTube or in the owner's manual.

It could be necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they become loose, it may prevent your battery from being properly seated and cause your remote to malfunction.

In rare cases, the fob may become desync'd with your vehicle due to software or hardware issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances it is possible that the software will need to be reinstalled in your body control modules.

Interference

Interference can also cause the key fob not to receive or transmit the signal. This could occur if the key fob is located near a radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function include a poor connection to the buttons and internal chip, or water damage.

If the key fob has suddenly stopped working, without notice and you've tried every option at home to solve it e.g. It could be a defective 500 receiver module after you've tried replacing the battery, reprogramming or using an alternative key fob. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

There's a simple method to reset the 500's onboard system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Then, reconnect the battery. This will eliminate any remaining electricity and restart the car's computers, which can help the key fob to function again. If the problem persists you should seek the advice of an expert technician. They will be able diagnose the root of any problems.