Reasons Your Fiat 500 Key Fob Won't Work
A key fob for Fiat 500 allows you to easily open doors and start your vehicle. However, there are many reasons the fob could stop working. This could be due to a dead battery water damage, problems with the receiver modules, and interference.
This listing is for a NEW replacement Fiat Flip Key Remote - like the Ilco brand that must be programmed professionally by a local automotive locksmith (click here for Locksmith Search). It comes with lock, unlock and trunk buttons.
Dead Coin Battery
The most frequent reason that your 500 key fob will not work is an inactive battery. Modern key fobs offer an operating range that is limited and must be within only a few inches from the vehicle to work. If you are far from your vehicle and press the key fob button, the car will not respond, and will display a "Key Fob Not Detected" message in the instrument cluster.
If fiat punto key fob happens, simply replace the battery of your coin cell (Part number CR2032) with a brand new one from a reliable brand such as Panasonic, Duracell, or Energizer. They are typically available in 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 your key fob still isn't working even after replacing the battery, there might be water damage that prevents it from interacting with the module inside your vehicle. Water damage can happen in a number of ways, ranging from an accidental splash to submerging the fob in salt water at the beach. If you think your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this fails, you'll need to have the fob changed by an auto locksmith or dealer.
Water Damage
While the fob has some 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 be particularly harmful to the fob's circuit board that can cause it to short out and eventually end up dying. If you get the fob wet, it's not an option, but if you drop it into a cup of water or fail to take it out of your pants pocket prior to running the washing machine, don't give up hope.
First remove the battery from the fob. Clean the electronic chip using isopropyl or a similar product and then dry it thoroughly before replacing the battery. Next check the fob to test if it works. If the fob doesn't work, it may need to be programmed again. This is usually handled by an auto locksmith or dealer.
If the key is older and has not been programmed to your car it is likely to need to be replaced completely. A professional automotive locksmith can carry out this simple task. The locksmith must cut the key to match the ignition of your vehicle. They'll also need to program the fob into the car's system. It's a simple and affordable process that can be completed within the same day.
Receiver Module Issues
Your 500 key fob might stop working because it is out of range. The remote usually has an operating range of 30 feet or less and if it's far from your car, it will not respond to your commands. It is possible to remedy this by moving your remote closer to your vehicle until it responds.
If you've replaced the coin battery (commonly known as"button" or "button" or "watch") and the fob isn't working it could be due to an internal circuit board issue. Reprogramming your fob can resolve this issue. You can find directions on how to do this on the majority of vehicles by searching YouTube or looking through the owner's manual.
It's possible that you need to replace the metal retaining clips that hold the coin battery in place. If they loose tension, it could prevent the coin battery from being seated properly, and this will cause your remote to malfunction.
In rare cases, the fob may become disconnected from your vehicle due to software issues or hardware issues. This can cause a major issue, but you are able to often fix this by visiting an auto locksmith to have them reprogram your fob. In certain instances, the software may also require reinstallation into your body control modules.
Interference
In addition to a dead coin battery The key fob may not be able to transmit or receive the signal due to interference. This may happen if the keyfob's location is in close proximity to a radio transmitter like a cellphone or radar detector. The key fob may not function because of a problem to the buttons, water damage or damage to the internal chips.
If the key fob has been unable to function for a while out of the blue or after trying everything you can at home to solve it e.g. replacing batteries, reprogramming or using the spare key fob, you may have a faulty receiver module on your 500. The receiver module, which is located beneath the dashboard, picks up radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated by the vehicle.
There is a straightforward method to reset the 500's onboard system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Then, reconnect the battery. This will get rid of any remaining electricity and restart the car's computers, which can help the key fob to function again. If the problem persists you should speak with a certified technician. They will be able to determine the exact cause of problems.