Reasons Your Fiat 500 Key Fob Won't Work
A key fob from Fiat 500 makes it easy to open doors and start your vehicle. However, there are a variety of reasons the fob could stop working. This includes a dead battery water damage, problems with the receiver modules, and interference.
This listing is for an NEW replacement Fiat Flip Key Remote that is similar to the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths in the automotive industry). This remote includes trunk, lock and unlock buttons.
Dead Coin Battery
The most common reason the 500 key fob won't work is a dead battery. Key fobs of today have a limited range of operation and must be within just a few inches of the vehicle in order to function. If you are not within your vehicle and push the keyfob button it will not respond and display the message "Key Fob Not Detected".
If this happens, simply replace the battery of your coin cell (Part number CR2032) with a new one from a reputable brand such as Panasonic, Duracell, or Energizer. They are typically available in 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 should flash and the key fob should operate the lock and unlock switches.
If your key fob isn't working after replacing the battery, there might be water damage that has prevented it from connecting to the module in your vehicle. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob salt water 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 need to have the fob changed by an auto locksmith or a 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 can cause water damage. Saltwater can cause the circuit board to short and then fail. If you get the fob wet, it's not an option, but if you drop it into a cup of water or don't remember to take it out of your pocket before you run the washer do not give up hope.
Take the battery off first. Before replacing the battery, clean the electronic chip with isopropyl or a similar product. Check the fob again to see if it is working. If the key does not function, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.
If the key is newer and hasn't been programmed to your car It is likely that it needs to be replaced completely. This is an easy process that can be handled by a professional locksmith for automotive use. The locksmith must cut the key to match the ignition of your vehicle. They'll also have to reprogram the fob for the car's system. This is a quick and affordable process that can be completed the same day.
Receiver Module Issues
The 500 key fob could not function because it's out of range. The remote has a maximum range of 30 feet. So should you be too far from your car, it won't respond to your commands. This can be fixed by moving closer to your vehicle until it begins responding.
If you've replaced the battery on your coin (commonly known as a "button" or "watch") and the fob isn't working it could be due to an internal circuit board issue. In the majority of cases, reprogramming your fob will fix the problem. fiat 500x key fob can find the steps for the majority of vehicles on YouTube or in the owner's guide.
It may be necessary to replace the clips made of metal that hold the coin batteries in the correct position. If they become loose, it can stop your coin battery from sitting properly and cause your remote to malfunction.
In rare instances, the fob may be out of connection with your vehicle as a result of hardware or software problems. This can be a major headache, but you can often fix this by visiting an auto locksmith to reprogram your fob for you. In certain 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 may not be receiving or transmitting signals due to interference. This could occur if the key fob is near radio transmitters (cell phones, radar detectors) or another source of electromagnetic radiation. The key fob could not function due to a poor connection to the buttons water damage or damage to the internal chips.
If the key fob has been unable to function for a while without notice, or after trying every option at home to solve it e.g. replacing the battery, reprogramming it and using the spare key fob, it could have a faulty receiver module on your 500. The receiver module is situated under the dash and picks up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.
There is a straightforward method to reset the 500's internal 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 clear out any remaining electricity and then restart the car's computer system, which could allow you to the key fob to function again. If the issue persists, you should consult an expert technician. They will be able to identify the exact cause of any problems.
