The Worst Advice We've Ever Received On Fiat Panda Key Fob Replacement Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500 key fob is a convenient way to open the doors and begin the car. There are a myriad of reasons why the fob may stop working. These include a dead battery or water damage, receiver module problems, and interference.

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

Dead Coin Battery

The most common reason your 500 key fob doesn't function is due to the battery is dead. Modern key fobs have a restricted operating range, and should be within a few feet of the vehicle to operate. If you're not close to your vehicle, and you press the key fob button the car will not respond, and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens, replace the coin-cell battery (Part Number CR2032) by a brand new one of a reliable brand, such as Panasonic Duracell or Energizer. They are available at your local hardware store or on the internet.

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

If your key fob does not work after replacing the battery, it may be water damage that hinders 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 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 back out. If this does not work, you'll need to have your fob replaced by an auto locksmith or a dealer.

Water Damage

Water damage can occur when you immerse the fob in the ocean, or wash it in a washer. Saltwater can cause the circuit board to short, and eventually end up dying. It's not the best idea to let the fob get wet but don't give up even if you accidentally drop the fob in water or forget to take it out of your pocket.

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. Check the fob again to see if it is working. If the key does not work, it may have to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key is a newer model and has not been programmed to your car it is likely to need to be replaced completely. This is a straightforward process that can be handled by a professional locksmith for automotive use. The locksmith needs to cut the key to match the ignition on your vehicle. They'll also have to reprogram the fob to your car's system. It's a simple and cost-effective process that can be completed on the same day.

Receiver Module Issues

One of the main reasons your 500 key fob won't be functioning is because it's out of range. The remote typically has an operating range of 30 feet or less and if it's far away from your car it won't respond to your commands. It can be solved by moving closer to your vehicle until it begins responding.

If you've replaced the coin battery (commonly called a "button" or "watch") and your fob doesn't function, it could have an internal circuit board problem. Reprogramming the fob typically resolves this issue. The instructions are available for most vehicles on YouTube or in the owner's manual.

You may need to replace the metal clips that hold the coin battery. If they lose tension they could stop the coin battery from sitting properly and could cause the remote to malfunction.

In rare instances, the fob might be out of connection with your vehicle as a result of hardware or software problems. This can cause a major trouble, but you could often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In some instances, they may need to reinstall the software on your body control module, as well.

Interference

In addition to a dead coin battery the key fob could not be able to transmit or receive signals due to interference. This can happen when the key fob is close to an electronic radio transmitter (cell phones and radar detectors) or any other source of electromagnetic radiation. The key fob might not work due to a poor connection with the buttons water damage or damage to the internal chips.

If the key fob has failed to work one day suddenly or after trying everything you can at home to fix it e.g. replacing the battery, reprogramming, and using the spare key fob, you might have a malfunctioning receiver module on your 500. The receiver module, which is located under the dashboard, picks up radio frequency signals from your key fob. fiat keys converts the signals into electronic commands, which are then processed by the vehicle.


Luckily, there is an easy method of resetting every single system on board in your 500 device, including the key fob. Disconnect the battery of 12 volts for approximately 15 minutes by disconnecting the negative cable first then the positive cable. Then, reconnect the battery. This will clear any residual electric current, and also restart the computer of your car. This can help you get your key fob to work again. If the issue continues, you should consult an expert certified technician. They'll be able to determine the exact cause of your problems.