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11 Ways To Fully Defy Your Fiat Panda Key Fob Replacement
Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a handy way to open the doors and begin the car. However, there are numerous reasons why the fob won't be working. This could be due to a dead coin battery, damage to the receiver module, water problems, and interference.

This listing is for a NEW replacement Fiat Flip Key Remote - like the Ilco brand that needs to be programmed professionally by a local locksmith (click here for Locksmith Search). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is the most frequent cause of your 500 key fob not working. Modern key fobs have a restricted operating range, and should be within only a few feet from the vehicle in order to function. If you are far from your vehicle and you push the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens, simply replace the battery on your coin cell (Part number CR2032) by a new one from a reputable brand like Panasonic, Duracell, or Energizer. You can find them at your local hardware store or on the internet.

You can test the battery in the 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 your key fob isn't working after replacing the battery, there may be water damage that has prevented it from interacting with the module inside your vehicle. Water damage can happen in many ways, including simply splashing or submerging your key fob in saltwater at the beach. If you think your fob was exposed to water, place it in a bag of rice to draw out the moisture. If that doesn't work, the fob might need to be reprogrammed by a professional locksmith or dealer.

Water Damage

The fob does have rubber seals to 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 be particularly harmful to the circuit board of the fob which causes it to short out and eventually end up dying. It's not a good thing to get the fob wet, but don't give it up even if you accidentally drop the fob in water or forget to take it out of your pocket.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip with isopropyl, or a similar product. Check the fob to check if it's working. If the key doesn't function, it may have to be reprogrammed. This is typically done by a professional or dealer auto locksmith.

If your key is older and has not been programmed for your vehicle then you'll need to replace it completely. This is a simple process which can be accomplished by a professional locksmith for automotive use. The locksmith will have to cut the key to match the ignition of your car. The locksmith also needs to program your fob into the vehicle's system. This is a low-cost and quick process that could be completed within the same day.

Receiver Module Issues

Your 500 key fob may not work because it's out of range. fiat key replacement 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 easily be resolved by moving it closer to your vehicle until it starts responding.

If you've replaced the coin battery (commonly called a "button" or "watch") and your fob still won't work it could be due to an internal circuit board problem. In the majority of cases, reprogramming your fob will solve the problem. You can find the instructions on how to do this for all vehicles by searching YouTube or consulting the owner's manual.

It may be necessary to replace the clips made of metal that hold the coin batteries in place. If they lose tension it can prevent your coin battery from being properly seated, causing your remote to malfunction.

In rare cases the fob can become out of the vehicle's sync because of software or hardware problems. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In some cases it may be necessary to reinstall the software on your body control module, too.

Interference

Interference can also cause the key fob to be unable to receive or transmit a signal. This could happen when the key fob is in close proximity to a radio transmitter like a cell phone or radar detector. The key fob might not function because of a weak connection with the buttons or water damage, or damage to the internal chips.

If the key fob has failed to work one day without notice or even after trying everything you can do at home to fix it e.g. You may have a faulty 500 receiver module if you've tried replacing the battery, reprogramming or using a spare key fob. 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 processed by the vehicle.


There is a straightforward method to reset the 500's onboard system including the keyfob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will clear any residual electrical charge, and then restart the car's computer. This could help you get your key fob to function again. If the issue persists you should seek out an expert certified technician. They'll be able to identify the root cause of your issues.

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