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Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat replacement key 500 allows you to easily open doors and start your vehicle. However, there are numerous reasons why the fob may stop functioning. This includes a dead coin-battery water damage, issues with the receiver module, and interference.

This listing is for an NEW replacement fiat key fob 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 lock, unlock, and trunk buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob doesn't work is a dead battery. Key fobs of today have only a limited range of operation and must be within a few inches of the vehicle in order to work. If you are further away from your vehicle and press the keyfob button it will not respond, and display the message "Key Fob Not Detected".

If this happens, simply replace the battery in the coin cell (Part number CR2032) by a new fiat 500 key fob one from a reputable manufacturer like Panasonic, Duracell, or Energizer. You can find them in the local hardware store or online.

After you've replaced the coin cell battery you can test it by standing near your Fiat 500 and pressing the buttons. The parking lights will flash and the key fob will operate the lock and unlock switches.

If the key fob won't function after replacing the battery, it could be damaged by water that blocks it from communicating with the receiver module in your car. Water damage can happen in a number of ways, ranging from small splashes to submerging the fob into salt water at the beach. If you suspect your fob has been exposed to water, try placing it in a dry rice bag to pull the moisture out. If this doesn't work, your fob is likely to need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

Water damage can happen if you immerse the fob in the ocean, or wash it in a washing machine. Saltwater can cause the circuit board to become shorted and eventually end up dying. It's not the best idea to soak the fob in water 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 take the battery off the fob. Clean the electronic chip using isopropyl ethanol or a similar product and dry it thoroughly before replacing the battery. Check the fob again to see if it is working. 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 a newer model and was not programmed to your car It is likely that it needs to be replaced completely. This is a simple procedure that can be completed by a professional locksmith for automotive use. The locksmith will need the key to be cut to match the car's ignition. They'll also have to reprogram the fob for the car's system. This is a cost-effective and fast process that can be completed in the same day.

Receiver Module Issues

One of the simplest reasons your 500 key fob could stop functioning is that it's out of range. The remote usually has an area of 30 feet or less and if it's far away from your car it won't respond to your commands. It's easy to solve this issue by moving the remote closer to your vehicle until it responds.

If you've replaced the battery on your coin (commonly called a "button" or "watch") and the fob isn't working, it could have an internal circuit board problem. Reprogramming the fob usually resolves the issue. There are instructions on how to do this on the majority of automobiles by searching YouTube or consulting the owner's manual.

It is possible to replace the metal clips that hold the coin batteries in their place. If they loose tension, it may prevent your battery from being properly seated, causing your remote to malfunction.

In rare instances, the fob could be out of sync with your vehicle because of hardware or software problems. This could be a huge issue, but you are able to frequently fix this issue by visiting an auto locksmith to have them reprogram your fob. In some instances they might need to reinstall the software in your body control module too.

Interference

Interference can also cause the key fob to not receive or transmit a signal. This could occur if the key fob is near radio transmitters (cell phones or radar detectors) or any other source of electromagnetic radiation. The key fob might not work because of a problem with the buttons water damage or damage to the internal chips.

If the key fob been unable to function for a while in the middle of the night or even after trying everything you can do at home to fix it e.g. replacing the battery, reprogramming, and using the spare car key fiat 500 key fob, you might have a faulty 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 to electronic commands that the vehicle interprets.

There's a simple method to reset the 500's internal system, including the keyfob. Disconnect the 12 volt battery for about 15 minutes by taking off the negative cable first then the positive cable. Then reconnect the battery. This will erase any remaining electricity, and restart the car's computer. This can help get your key fob to function again. If the issue continues, you should speak with an expert technician. They can identify the root cause of any issues.