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Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the Fiat 500 is a convenient method to unlock the doors and get started the car. There are a myriad of reasons the fob won't work. This includes a dead coin-battery and water damage, as well as problems with the receiver modules, and interference.

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

Dead Coin Battery

A dead battery is probably the most common reason for your 500 key fob being inoperative. Modern key fobs offer only a limited range of operation and must be within a few inches of your vehicle to function. If  stuck 're not close to 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 then replace the battery for your coin-cell (Part Number CR2032) by a fresh one of a reputable brand such as Panasonic Duracell or Energizer. You can typically find them in your local hardware store, or online.

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

If your fob's key doesn't work even after replacing the battery, there could be water damage that has prevented it from communicating with the module inside your vehicle. Water damage can occur through a variety of methods, including simply splashing or submerging the key fob in saltwater at the beach. If you suspect your fob was exposed to water, try putting it in a dry rice bag to pull the moisture out. If that doesn't work your fob is likely to need to be reset by a professional auto locksmith or by the dealer.

Water Damage

While the fob has some rubber seals that keep water out of the electronic chip inside and out of the ocean or washing it in a machine could cause water damage. Saltwater can cause the circuit board to become shorted and eventually cease to function. It's not the best idea to let the fob get wet but don't give up in the event that you accidentally drop it in the water or don't remove it from your pocket.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip using isopropyl or a similar product. Check the fob again to determine if it's functioning. If the key still doesn't work, it may have to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key is more recent and has never been programmed to your car It is likely that it needs to be replaced completely. A professional locksmith in the automotive industry can carry out this simple task. The locksmith needs to cut the key to match the ignition of your car. They'll also need to program the fob into your car's system. This is a fast and cost-effective procedure that is usually completed on the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob could stop working is that it's simply out of range. The remote usually has 30 feet of range or less and if it's far away from your car it won't respond to your commands. This can be easily fixed by moving closer to your vehicle until it begins responding.

If your fob doesn't work after replacing the battery inside the coin, which is also called a "button", "watch" or "button" or "button", it could be due to an issue with the internal circuit board. In the majority of cases, reprogramming your fob will solve the issue. You can find the instructions for the majority of vehicles on YouTube or in the owner's manual.

It is possible to replace the metal retaining clips that keep the coin battery. If they lose tension, it can prevent the coin battery from being seated properly, and this will cause the remote to malfunction.

In rare instances, the fob may be out of connection with your vehicle as a result of software or hardware problems. This can cause a major headache, but you can frequently fix this issue by visiting an auto locksmith to reprogram your fob. In certain situations it may be necessary to reinstall the software on your body control module too.

Interference

In addition to a dead battery on a coin the key fob could not be able to transmit or receive an signal due to interference. This is possible when the key fob is close to an electronic radio transmitter (cell phones, radar detectors) or another 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 your key fob suddenly stopped working, or you have tried everything at home to resolve it (e.g. replacing batteries, reprogramming or using the spare key fob, it could have a damaged receiver module on your 500. The receiver module, which is located under the dashboard, receives 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 all on-board systems in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Reconnect the battery. This will clear any residual electricity, and restart the computer in your car. This can help get your key fob working again. If the issue continues, you should seek out an expert technician. They can identify the exact cause of issues.