Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the fiat keys replacement (great post to read) 500 is a convenient way to open the doors and start the car. However, there are many reasons the fob could stop working. These include a dead coin battery, damage to the receiver module, issues, and interference.

This listing is for an NEW replacement Fiat Flip Key Remote that appears similar to the Ilco brand. It has to be professionally programmed (click here to search for local locksmiths for automotive locksmiths). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob that isn't working. Key fobs of today have a limited range of operation and must be within just a few inches of the vehicle in order to work. If you are further away from your vehicle and push the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens If this happens, replace the battery in the coin-cell (Part Number CR2032) with a new battery of a reputable brand like Panasonic Duracell or Energizer. They are available at the local hardware store or on the internet.

After you've changed the battery on the coin cell It is possible to test it by standing close to your Fiat 500 and pressing the buttons. The parking lights should light up and the key fob should operate the lock and unlock switch.

If your key fob still isn't working even after replacing the battery, it could be water damage that prevents it from interacting with the module in your vehicle. Water damage can happen in many ways, such as the simple splash or submerging the key fob saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If that doesn't work your fob is likely to need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean, or wash it in a machine. Saltwater can cause the circuit board to become shorted and eventually end up dying. The fob getting wet is not an ideal choice however, if you drop it into a glass of water or fail to take it out of your pocket before you run the washer, don't give up hope.

First remove the battery from the fob. Clean the electronic chip with isopropyl alcohol or a similar product and then dry it completely before replacing the battery. Next check the fob to verify if it is working. If the fob doesn't work, it may have to be changed. This is typically handled by a dealer or professional auto locksmith.

If the key is a newer model and was not programmed to your vehicle it is likely to need to be replaced completely. This is a straightforward process that can be completed by a professional automotive locksmith. The locksmith will need to cut the key to match the ignition in your vehicle. The locksmith will also need to reprogram your fob in the car's system. This is a fast and cost-effective procedure that can be completed on the next day.

Receiver Module Issues

One of the simplest reasons why your 500 key fob won't be functioning is because it's out of range. The remote usually has an area of 30 feet or less and if it's far from your car, it will not respond to your commands. You can solve this issue by moving the remote closer to your vehicle until it responds.

If your fob doesn't work after replacing the battery inside the coin, which is also known as a "button", "watch" or "button", it could be a problem with the internal circuit board. In the majority of cases, reprogramming your fob will fix the problem. You can find the procedure for most vehicles on YouTube or in the owner's manual.

You may need to replace the metal retaining clips that hold the battery of your coin in place. If they lose tension it can prevent your coin battery from sitting properly, causing your remote to malfunction.

In rare cases the fob could be out of alignment with your vehicle because of software or hardware problems. This issue can be fixed by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances it may be necessary to reinstall the program in your body control module, as well.

Interference

Interference can also cause the key fob to be unable to receive or transmit an signal. This could occur if the keyfob is located in close proximity to a radio transmitter, like a cellphone or radar detector. The key fob could not work due to a poor connection to the buttons or water damage, or damage to the internal chips.

If the key fob has suddenly stopped working, in the middle of the night, or after trying everything you can at home to solve it e.g. It could be a defective 500 receiver module in the event that you've tried replacing the battery, reprogramming, and using an alternative key fob. The receiver module is situated under the dash, and it picks up the radio frequency signals from the key fob. It transforms the signals into electronic commands which are then processed by the vehicle.

Fortunately, there's an easy way to reset all of the onboard systems in your 500 and include the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Then, reconnect the battery. This will get rid of any remaining electrical charge and restart the car's computers. This could allow you to get your key fob working again. If the issue continues, you should seek out an expert technician. They will be able diagnose the root of any problems.