Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat doblo key fob replacement 500 is a great way to open the doors and start the car. There are a myriad of reasons why the fob may stop functioning. This could be due to a dead coin-battery water damage, problems with the receiver modules, and interference.

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

Dead Coin Battery

A dead battery is the most frequent reason for your 500 key fob not functioning. Key fobs of today have an operating range that is limited and must be within only a few inches from the vehicle in order to work. If you are not within your vehicle and you push the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this occurs then replace the battery for your coin-cell (Part Number CR2032) by a brand new one from a reputable brand such as Panasonic Duracell or Energizer. You can find them at your local hardware store, or on the internet.

After you've replaced the battery in the coin cell You can test it by standing in front of your Fiat 500 and pressing the buttons. The car will flash its parking lights and the key fob should be able to operate the lock and unlock switches.

If your fob's key isn't working after replacing the battery, there could be water damage that is preventing it from connecting to the module inside your vehicle. Water damage can occur in a number of ways, ranging from a light splash to submerging your fob in salt water at the beach. If you think your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If this doesn't work your fob will probably need to be reset by an experienced auto locksmith or the dealer.

Water Damage

Although the fob is equipped with rubber seals that keep water from the electronic chip inside and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short, and eventually fail. It's not a good idea to let the fob get wet but don't give up in the event that you accidentally drop it in water or fail to take it out of your pants pocket.

First, remove the battery from the fob. Clean the electronic chip using isopropyl alcohol or another similar product and then dry it thoroughly before replacing the battery. Check the fob again to check if it's functioning. If the key doesn't work, it may have to be reset. This is usually handled by an auto locksmith or dealer.

If your key is older and is not programmed to work with your vehicle, you will need to replace it completely. A professional locksmith for cars can carry out this simple task. The locksmith will need to cut the key to match the ignition of your car. They'll also need to reprogram the fob in your vehicle's system. This is a cheap and fast process that can be completed the same day.

Receiver Module Issues

One of the main reasons why your 500 key fob may stop working is that it's simply out of range. The remote's range is of 30 feet, which means should you be too far away from your vehicle, it won't respond to your commands. This can be easily fixed by moving closer to your vehicle until it begins responding.

If you've replaced your coin battery (commonly called a "button" or "watch") and the fob won't work, it could have an internal circuit board issue. In the majority of cases, reprogramming your fob will solve the problem. There are instructions on how to do this for all automobiles by searching YouTube or consulting the owner's manual.

It is possible to replace the metal retaining clips that hold the battery of your coin in place. If they loose tension, they could stop the battery from being seated properly, and this will cause your remote to malfunction.

In rare cases, the fob may become disconnected from your vehicle due to software or hardware issues. This could be a huge trouble, but you could usually fix it by visiting a local dealer or auto locksmith to have them reprogram your fob. In some instances, the software may also require reinstallation to your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit signals. This is possible when the key fob is in proximity to a radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. Other reasons the key fob may not function could be due to a weak connection to the buttons and internal chip, or water damage.

If the key fob has stopped working one day in the middle of the night or after trying everything you can at home to resolve it e.g. replacing batteries, reprogramming or using the spare key fob, you might have a defective receiver module on your 500. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. It converts them into electronic commands that the vehicle interprets.

There's a quick and easy way to reset the 500's on-board system, including the keyfob. Disconnect the 12 volt battery for about 15 minutes by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will erase any remaining electrical charge, and then restart the car's computer. This can help you get your key fob to function again. If the problem persists you should speak with an expert technician. They will be able to identify the root of any issues.