Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat remote key (learn more) 500 is a great way to open the doors and start the car. There are a myriad of reasons the key fob might stop working. This includes a dead coin-battery, water damage, problems with the receiver modules, and interference.

This listing is for an NEW replacement fiat ducato remote key programming Flip Key Remote - similar to the Ilco brand that needs to be programmed professionally by a local locksmith (click here for Locksmith Search). It includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the most common reason for your 500 key fob that isn't working. Modern key fobs come with a limited range of operation, and must be within a few feet of the vehicle to function. If you're far from your vehicle and hit the keyfob, it won't respond and display the message "Key Fob Not Detected".

If this happens, replace the battery on your coin cell (Part number CR2032) with a brand new one from a reputable manufacturer like Panasonic, Duracell, or Energizer. They are available at your local hardware store, or online.

You can test the battery of your coin-cell by pressing the buttons while standing near your fiat 500 replacement key 500. The parking lights will flash 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 might be water damage that is preventing it from communicating with the module inside your vehicle. Water damage can occur in a variety of ways, ranging from the slightest splash to submerging the fob salt water at the beach. If you suspect that your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this fails, you'll need to have the fob reprogrammed either by an auto locksmith or a dealer.

Water Damage

Water damage can occur if you submerge the fob in the ocean, or wash it in a machine. Saltwater is especially dangerous to the fob's circuit board that can cause it to short out and eventually end up dying. The fob getting wet is not a good idea however, if you drop it in an empty cup of water, or don't remember to remove it from your pocket before you run the washing machine Don't give up hope.

First take the battery off the fob. Clean the electronic chip using isopropyl alcohol or another similar product and then dry it completely before replacing the battery. Next, test the fob to test if it works. If the fob doesn't function, it may need to be programmed again. This is typically done by a professional or dealer auto locksmith.

If the key is newer and was not programmed to your vehicle it is likely to need to be replaced completely. This is a simple procedure that can be carried out by a professional automotive locksmith. The locksmith will have to cut the key to match the ignition on your vehicle. The locksmith also needs to reprogram your fob in the vehicle's system. This is a cost-effective and quick process that could be completed within the same day.

Receiver Module Issues

The 500 key fob you have may be inoperable because it's out of range. The remote's range is of 30 feet. Therefore, in the event that you are far from your car it won't 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 your coin battery (commonly called a "button" or "watch") and the fob won't work it could be due to an internal circuit board issue. In most cases, reprogramming the fob will solve the issue. The instructions are available for most 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 place. If they loose tension, it can prevent the battery from being seated properly and can cause the remote to malfunction.

In rare cases the fob might be out of the vehicle's sync because of software or hardware problems. You can fix this problem by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain instances it is possible that the software will require reinstallation in your body control modules.

Interference

In addition to a dead coin battery the key fob could not be receiving or transmitting a signal due to interference. This may happen if the keyfob is located in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons the key fob could not function include a weak connection to the buttons or damage to the internal chip, or water damage.

If the key fob suddenly stopped working, without notice, or after trying every option at home to solve it e.g. You might have a damaged 500 receiver module If you've tried replacing it with a battery, reprogramming it, or using an alternative key code fiat fob. The receiver module, which is located under the dashboard, receives radio frequency signals from your key fob. It converts the signals into electronic commands, which are then translated by the vehicle.

Fortunately, there's an easy method to reset every single system on board in your 500, including the key fob. Disconnect the battery 12 volt for about 15 minutes, by removing the negative cable first then the positive cable. Then reconnect the battery. This will clear out any remaining electrical charge and restart the car's computer system, which could help get your key fob working again. If the problem persists you should seek the advice of an expert technician. They will be able diagnose the exact cause of any issues.