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Reasons Your Fiat 500 Key Fob Won't Work

A fiat 500x key fob 500 key fob is a convenient way to open the doors and begin the car. There are many reasons the key fob might stop working. These include a dead battery damaged receiver module, water damage problems, and interference.

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

Dead Coin Battery

The most frequent reason that your 500 key fob won't work is an inactive battery. Modern key fobs have a limited range of operation, and must be within only a few feet from the vehicle in order to function. If you are far from your vehicle when you press the key fob button the car won't be able to respond, and will display the "Key Fob Not Detected" message in the instrument cluster.

If this happens you need to replace the battery of your coin-cell (Part Number CR2032) with a new battery from a reputable brand like Panasonic Duracell or Energizer. You can usually find them in your local hardware store or online.

You can test the battery on your coin-cell by pressing the buttons while you are standing close to your fiat 500x key 500. The car should blink its parking lights and the key fob should work the lock and unlock switches.

If your key fob still isn't working even after replacing the battery, there may be water damage which is preventing it from connecting to the module inside your vehicle. Water damage can occur in a variety of ways, ranging from small splashes to submerging your fob in salt water at the beach. If you suspect your fob was exposed to water, put it in a dry rice bag to draw the moisture out. If that doesn't work, your fob will probably need to be reprogrammed by a professional auto locksmith or the dealer.

Water Damage

While the fob comes with rubber seals that keep water from the chip's electronic circuit it, submerging it in the ocean or washing it in a machine can cause water damage. Saltwater is especially dangerous to the circuit board of the fob which causes it to short out and eventually die. If you get the fob wet, it's not an ideal idea however, if you drop it in an empty cup of water, or fail to remove it from your pants pocket prior to running the washing machine, don't give up hope.

First, remove the battery from the fob. Before replacing the battery clean the electronic chip with isopropyl, or a similar product. Next test the fob to check if it functions. If the key doesn't function, it may have to be changed. This is usually done by an auto locksmith or dealer.

If the key you have is older and not programmed to work with your vehicle it is necessary to replace it completely. This is a straightforward process that can be completed by a professional automotive locksmith. The locksmith must cut the key to match the ignition on your vehicle. The locksmith will also have to reprogram your fob into the car's system. This is a low-cost and quick procedure that can be completed in the same day.

Receiver Module Issues

Your 500 key code fiat fob might not function 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 will not respond to your commands. This can easily be resolved by moving closer to your vehicle until it starts responding.

If your fob won't work after replacing the coin battery, also known as a "button", "watch" or "button" it could be due to an issue with the circuit board inside. Reprogramming the fob typically resolves this problem. You can find the procedure for most vehicles on YouTube or in the owner's guide.

It's possible that you need how to open fiat 500 remote key programming 500 boot without key (Read More On this page) replace the metal clips that keep the battery of your coin in place. If they loose tension, it could hinder the battery from sitting properly, and this will cause your remote to malfunction.

In rare instances the fob could be desync'd with your vehicle due to software or hardware issues. This issue can be fixed by visiting your local auto-locksmith or dealer to reprogram your key fob. In some cases they might need 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 a signal due to interference. This could occur if the keyfob is in close proximity to a radio transmitter like a cell phone 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 if you have tried everything 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, located under the dashboard, is able to pick up radio frequency signals from your key fob. It converts the signals into electronic commands that are then translated by the vehicle.

There is a straightforward method to reset the 500's internal system including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable and then the positive cable. Reconnect the battery. This will get rid of any residual electricity and restart the car's computers, which could allow you to the key fob to function again. If the problem persists, you should consult an expert technician. They'll be able to diagnose the exact cause of your issues.