Reasons Your Fiat 500 Key Fob Won't Work
A Fiat 500 key fob makes it easy to open doors and start your vehicle. There are a myriad of reasons why the key fob might stop functioning. This could be due to a dead coin battery, damaged receiver module, water damage issues, or interference.
This listing is for a NEW replacement Fiat Flip Key Remote - look-alike Ilco brand that needs to be professionally programmed by a local locksmith (click here for Locksmith Search). Includes lock, unlock, and trunk buttons.
Dead Coin Battery
A dead battery is probably the most common cause of your 500 key fob that isn't working. Modern key fobs offer an operating range that is limited and must be within a few inches of your vehicle to function. If you're far from your vehicle and you press the key fob button the car won't be able to respond, and will display the "Key Fob Not Detected" message in the instrument cluster.
If this happens, simply replace the battery on your coin cell (Part number CR2032) with a fresh one from a trusted brand like Panasonic, Duracell, or Energizer. They are typically available in your local hardware store, or online.
After you've replaced the battery of your coin cell, 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 will operate the lock and unlock switches.
If the key fob doesn't function after replacing the battery, it could have water damage that stops it from connecting to the receiver module in your vehicle. Water damage can happen in many ways, including an easy splash or submerging the key fob in saltwater at the beach. If you suspect that your fob has been exposed to water, put it in a rice bag to draw out the moisture. If this fails, you'll require your fob to be changed by an auto locksmith or dealer.
Water Damage
Water damage can occur if you immerse the fob into the ocean, or wash it in a washer. Saltwater can cause the circuit board to short and then die. If you get the fob wet, it's not an ideal idea but if you accidentally drop it in a glass of water or forget to remove it from your pants pocket prior to running the washing machine do not give up hope.
Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl, or a similar product. Check the fob to verify if it's working. If the key does not work, it may have to be programmed again. This is typically handled by a professional or dealer auto locksmith.
If the key you have is older and has not been programmed to work with your vehicle then you'll need to replace it completely. A professional automotive locksmith can carry out this simple task. The locksmith will require the key to be cut to match the car's ignition. They'll also need to program the fob into your car's system. This is an affordable and quick process that can be completed the same day.
Receiver Module Issues
Your 500 key fob may not function because it's out of range. The remote typically has a range of 30 feet or less, and if it's too far away from your car it will not respond to your commands. It is possible to solve this issue by moving the remote closer to your vehicle until it responds.
If you've replaced the battery in your coin (commonly known as"button" or "button" or "watch") and your fob doesn't function, it could have an internal circuit board issue. In the majority of cases, reprogramming your fob will solve the issue. You can find the procedure for the majority of vehicles on YouTube or in the owner's guide.
It could be necessary to replace the metal clips that hold the coin batteries in their place. If they lose tension, it could hinder the coin battery from sitting properly and can result in the malfunction of your remote.
In rare instances, the fob might be out of alignment with your vehicle because of hardware or software problems. fiat 500 replacement key can fix this issue by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances they might need to reinstall the program in your body control module too.
Interference
In addition to a dead coin battery, the key fob may not be able to transmit or receive a signal due to interference. This is possible when the key fob is near the radio transmitter (cell phones and radar detectors) or another source of electromagnetic radiation. The key fob may not work because of a weak connection to the buttons, water damage or damage to the internal chips.
If the key fob suddenly stopped working, in the middle of the night, or after trying everything you can at home to solve it e.g. replacing the battery, reprogramming it and using the spare key fob, you might have a defective receiver module on your 500. The receiver module, which is located beneath the dashboard, is able to pick up radio frequency signals from your key fob. It then converts them into electronic commands that the vehicle interprets.
There is a straightforward method to reset the 500's in-board 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 out any remaining electricity and then restart the car's computer system, which can help get your key fob working again. If the problem persists you should speak with an expert technician. They will be able to identify the root cause of your issues.