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Reasons Your Fiat 500 Key Fob Won't Work

A Fiat 500 key fob allows you to easily open doors and start your vehicle. However, there are many reasons the fob could stop functioning. This could be due to a dead coin-battery and water damage, as well as issues with the receiver module, and interference.

This listing is for a NEW replacement fiat key programmer Flip Key Remote - look-alike Ilco brand that must be professionally programmed by a local locksmith (click here for Locksmith Search). This remote includes trunk, lock and unlock buttons.

Dead Coin Battery

A dead battery is the main reason for your 500 key fob that isn't working. Modern key fobs come with a limited operating range, and must be within a few feet of the vehicle in order to function. If you're far from your vehicle and press the key fob button, the car won't respond, and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens, simply replace the battery on your coin cell (Part number CR2032) with a new one from a reliable brand such as Panasonic, Duracell, or Energizer. They are typically available in your local hardware store, or online.

You can test the coin-cell battery by pressing the buttons while standing near your fiat 500x key not detected [Historydb officially announced] 500. The car should blink its parking lights, and the key fob will operate the lock and unlock switches.

If your key fob isn't working after replacing the battery, it could be water damage that is preventing it from connecting to the module locked keys in fiat 500 your vehicle. Water damage can happen in a variety of ways, from small splashes to submerging the fob salt water at the beach. If you think your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this doesn't work, you will have to get your fob reset by an auto locksmith or a dealer.

Water Damage

Water damage can occur when you submerge the fob in the ocean, or wash it in a washer. Saltwater can cause the circuit board to short and then end up dying. It's not good to submerge the fob in water but don't give up if you accidentally drop it in water or fail to take it out of your pants pocket.

Remove the battery first. Clean the electronic chip with isopropyl ethanol or a similar product and dry it completely before replacing the battery. Next, test the fob to check if it functions. If the key still doesn't work, it may need to be programmed again. This is typically done by a professional or dealer auto locksmith.

If your key is older and has not been programmed for your vehicle it is necessary to replace it completely. A professional locksmith for cars can do this job. The locksmith will require the key to be cut to match the car's ignition. They will also need to reprogram the fob for your car's system. This is a cost-effective and quick process that could be completed on the same day.

Receiver Module Issues

Your 500 key fob might not work because it's out of range. The remote usually has a range of 30 feet or less and if it's far from your vehicle, 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 your fob doesn't work after replacing the battery for the coin, also known as a "button", "watch" or "button" it could be a problem with the internal circuit board. Reprogramming the fob usually resolves this issue. You can find the instructions on how to do this for most vehicles by searching YouTube or checking out 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 stop your coin battery from sitting properly and cause your remote to malfunction.

In rare cases it is possible that the fob will become desync'd with your vehicle because of software or hardware issues. This could cause a significant trouble, but you could frequently fix this issue by visiting a local dealer or auto locksmith to have them reprogram your fob. In certain situations they may have to reinstall the software on your body control module, too.

Interference

Interference can also cause the key fob not to receive or transmit a signal. This may happen if the key fob is in close proximity to a radio transmitter like a cellphone or radar detector. The key fob may not function because of a problem to 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. battery replacement, reprogramming and using the spare fiat 500 key key fob, you might have a faulty receiver module on your 500. The receiver module, located under the dashboard, detects radio frequency signals from your key fob. Then, it converts them into electronic commands that the vehicle interprets.

There is a straightforward method to reset the 500's internal system, including the keyfob. Disconnect the battery 12 volt for about 15 minutes by taking off the negative cable first then the positive cable. Reconnect the battery. This will remove any remaining electric current, and also restart the car's computer. This will 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 root of your problem.