Reasons Your Fiat 500 Key Fob Won't Work

A key fob for Fiat 500 makes it easy to open doors and start your vehicle. However, there are many reasons the fob could stop working. These include a dead coin battery or water damage, receiver module problems, and interference.

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

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob not working. Modern key fobs operate with a restricted operating range, and should be within some feet of the car to operate. If you are far from your vehicle and you press the key fob button, the car won't respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the battery in the coin cell (Part number CR2032) with a fresh one from a reputable brand such as Panasonic, Duracell, or Energizer. They are typically available in your local hardware store or on the internet.

You can test the battery in the coin-cell by pressing the buttons while standing near your Fiat 500. The car will flash its parking lights and the key fob should operate the lock and unlock buttons.

If your fob's key does not work after replacing the battery, there may be water damage that has prevented it from connecting to the module in your vehicle. Water damage can occur in many ways, such as simply splashing or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, put it in a rice bag to draw out the moisture. If that doesn't work, your fob will probably require reprogramming by a professional auto locksmith or the dealer.

Water Damage

Water damage can happen if you immerse the fob into the ocean, or wash it in a washer. Saltwater is particularly dangerous to the circuit board of the fob, causing it to short out and car key Copy eventually die. It's not good to get the fob wet however, don't give it up if you accidentally drop it in water, or fail to remove it from your pants pocket.

Take the battery off first. Clean the electronic chip using isopropyl alcohol or a similar product and dry it completely before replacing the battery. Test the fob next to see if it is functioning. If the key does not function it could need to be reprogrammed. This is usually handled by an auto locksmith or dealer.

If the key is more recent and has never been programmed to your car It will most likely need to be replaced completely. A professional locksmith in the automotive industry can complete this simple process. The locksmith will require the key to be cut to match your car's ignition. The locksmith will also have to program your fob into the car's system. This is a cost-effective and quick procedure that can be completed in the same day.

Receiver Module Issues

The 500 key fob could stop working because it is out of range. The remote has a maximum range of 30 feet. Therefore, should you be too far from your car, it won't respond to your commands. You can solve this issue by moving the remote closer to your car key Copy until it responds.

If you've replaced your coin battery (commonly called"button" or "button" or "watch") and your fob doesn't function it could be due to an internal circuit board problem. In most cases, reprogramming the fob will resolve this issue. You can find the steps for most vehicles on YouTube or Car Key Copy in the owner's manual.

It is possible to replace the metal clips that hold the coin batteries in the correct position. If they lose tension they could stop the battery from being properly seated and can cause your remote to malfunction.

In rare instances, the fob could be out of alignment with your vehicle because of hardware or software issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations they may have to reinstall the software in your body control module too.

Interference

In addition to a dead battery on a coin The key fob might not be receiving or transmitting signals due to interference. This could happen when the keyfob is located in close proximity to a radio transmitter like a cellphone or radar detector. Other reasons the key fob might not function may be a lack of connection to the buttons or the internal chip or water damage.

If the key fob has failed to work one day without notice, or after trying everything you can at home to resolve 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, located beneath the dashboard, picks up radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy method to reset every single system on board in your 500 keys, including the key fiat fob. Disconnect the battery for 15 minutes, removing first the negative cable and then the positive cable. Reconnect the battery. This will remove any remaining electricity and then restart the car's computers. This can help you get your key fob working again. If the issue continues it is recommended that you consult a certified technician. They'll be able identify the root cause of your issue.