Reasons Your Fiat 500 Key Fob Won't Work
A key fob with the fiat 500 number is a great way to open the doors and start the car. However, there are many reasons why the key fob might stop functioning. This could be due to a dead coin battery or damage to the receiver module, issues, and interference.
This listing is for an NEW replacement Fiat Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to find local automotive locksmiths). It includes lock, unlock and trunk buttons.
Dead Coin Battery
A dead battery is the main cause of your 500 key fob being inoperative. Key fobs of today have limited operating range and must be within only a few inches from the vehicle to function. If you are further away from your vehicle, and you hit the keyfob, it won't respond and display the message "Key Fob Not Detected".
If this occurs If this happens, replace the battery in the coin-cell (Part Number CR2032) by a fresh one of a reliable brand, such as Panasonic Duracell or Energizer. They are typically available at your local hardware store or online.
You can test the battery of your coin-cell by pressing the buttons while standing close to your Fiat 500. The parking lights will flash and the key fob will operate the lock and unlock switch.
If the key fob won't function after replacing the battery, it may have water damage that stops it from communicating with the receiver module in your vehicle. Water damage can happen in many ways, including an easy splash or submerging your key fob in 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 isn't working, you'll require your fob to be reset by an auto locksmith or a dealer.
Water Damage
While the fob comes with rubber seals that keep water out of the electronic chip inside it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the circuit board of the fob, causing it to short out and eventually die. In the event that you let your fob get wet, it's not an ideal choice, 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 do not give up hope.
First, remove the battery. Clean where to get a fiat key cut using isopropyl alcohol or another similar product and dry it thoroughly before replacing the battery. Test the fob next to check if it's working. If the key doesn't function, it may need to be reset. This is usually done by an auto locksmith or dealer.
If the key is more recent and has not been programmed to your vehicle It is likely that it needs to be replaced completely. A professional locksmith for cars can complete this simple process. The locksmith must cut the key to match the ignition of your vehicle. The locksmith will also need to reprogram your fob into the vehicle's system. This is a simple and affordable process that can usually be completed the next day.
Receiver Module Issues
One of the main reasons your 500 key fob won't be working is because it's out of range. The remote's range is of 30 feet. Therefore, in the event that you are far away from your vehicle it won't be able to respond to your commands. You can easily fix this by moving the remote closer to your vehicle until it responds.
If your fob won't work after replacing the coin battery, also called a "button", "watch" or "button" It could be due to an issue with the circuit board inside. In the majority of cases, reprogramming your fob will fix the issue. You can find the instructions on how to do this for all automobiles by searching YouTube or consulting the owner's manual.
It could be necessary to replace the clips made of metal that hold the coin batteries in place. If they loose tension, it could prevent your coin battery from being properly seated, causing your remote to malfunction.
In rare instances the fob might become desync'd with your vehicle because of software or hardware issues. This can cause a major headache, but you can often fix this by visiting an auto locksmith to reprogram your fob for you. In some instances, the software may also require reinstallation to your body control modules.
Interference
In addition to a dead battery on a coin The key fob might not be able to transmit or receive the signal due to interference. This could happen if the key fob is near radio transmitters (cell phones or radar detectors) or another source of electromagnetic radiation. The key fob could not work because of a problem with the buttons, water damage or damage to the internal chips.
If your key fob suddenly stopped working, or if you have tried everything at home to fix it (e.g. replacing batteries, reprogramming or using the spare key fob, you could have a defective receiver module on your 500. 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 that are then interpreted by the vehicle.
Luckily, there is an easy method of resetting all on-board systems in your 500 device, including the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable, then the positive cable. Reconnect the battery. This will eliminate any remaining electricity, and allow you to restart the computer of your car. This can help get your key fob to work again. If the issue persists, you should consult an expert certified technician. They'll be able identify the root cause of your problems.