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Reasons Your Fiat 500 Key Fob Won't Work

A fiat key duplication 500 key fob allows you to easily open doors and start your vehicle. There are many 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 key fobs Flip Key Remote - look-alike Ilco brand that needs to be programmed professionally by a local locksmith (click here for Locksmith Search). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common cause of your 500 key fob not functioning. Modern key fobs have only a limited range of operation and must be within just a few inches of the vehicle in order to function. If you're far from your vehicle when you press the key fob button the car won't respond and will display an "Key Fob Not Detected" message in the instrument cluster.

If this happens If this happens, replace the battery in the coin-cell (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 online.

After you've replaced the battery in the coin cell you can test it by standing near your fiat key fob not working 500 and pressing the buttons. The parking lights should blink and the key fob will operate the lock and unlock switch.

If your key fob still isn't working even after replacing the battery, there might be water damage that is preventing it from interacting with the module in your vehicle. Water damage can occur in a variety of ways, from a light splash to submerging the fob in salt water at the beach. If you suspect that your fob has been exposed to water, you can try placing it in a dry rice bag to pull the moisture out. If this doesn't work your fob will probably need to be reprogrammed by a professional auto locksmith or by the dealer.

Water Damage

Water damage can occur if you immerse the fob in the ocean or wash it in a machine. Saltwater is especially dangerous to the fob's circuit board and can cause it to short out and eventually end up dying. It's not a good thing to submerge the fob in water but don't give up in the event that you accidentally drop it in the water or don't take it out of your pants pocket.

Take the battery off first. Clean the electronic chip using isopropyl alcohol or a similar product and dry it thoroughly before replacing the battery. Check the fob to see if it is functioning. If the key isn't working, it may have to be programmed again. This is usually done by a professional or dealer auto locksmith.

If your key is older and not programmed for your car You will need to replace it completely. This is an easy process which lost Key to car fiat can be accomplished by a professional automotive locksmith. The locksmith will need the key cut to match your car's ignition. They'll also have to program the fob into the car's system. This is a cost-effective and fast process that can be completed on the same day.

Receiver Module Issues

The 500 key fob could stop working because it is out of range. The remote has a range of 30 feet. So should you be too far away from your vehicle, it won't respond to your commands. It is possible to solve this problem by moving the remote closer to your vehicle until it responds.

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

You may need to replace the metal retaining clips that keep the coin battery. If they loose tension, it can prevent your coin battery from being properly seated and cause your remote to malfunction.

In rare instances, the fob may become disconnected from your vehicle because of software or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some instances, the software may also require reinstallation into your body control modules.

Interference

Interference can also cause the key fob to not receive or transmit the signal. This could happen if the key fob is near radio transmitters (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function could be due to a weak connection to the buttons or the internal chip, or water damage.

If the key fob stopped working one day in the middle of the night, or after trying everything you can at home to fix it e.g. replacing the battery, reprogramming, and using the spare key fob, you may have a defective receiver module on your 500. The receiver module is situated under the dash and picks up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy way 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. Then reconnect the battery. This will eliminate any residual electricity and restart the car's computer system, which can help you get your key fob working again. If the issue continues you should speak with an expert technician. They will be able diagnose the exact cause of problems.