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Reasons Your fiat doblo key 500 Key Fob Won't Work

A key fob for the fiat keys replacement 500 is a handy way to unlock the doors and get started the car. There are a myriad of reasons why the fob won't be functioning. This could be due to a dead coin battery damage to the receiver module, issues, or interference.

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

Dead Coin Battery

The most common reason your 500 key fob doesn't function is due to a dead battery. Modern key fobs offer a limited range of operation and must be within just a few inches of the vehicle in order to function. If you are far from your vehicle and 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 occurs, replace the coin-cell battery (Part Number CR2032) by a brand new one of a reputable brand such as Panasonic Duracell or Energizer. You can find them in your local hardware store or online.

After you've replaced the coin cell battery You can test it by standing in front of your fiat key fob replacement 500 and pressing the buttons. The car should flash its parking lights, and the key fob should work the lock and unlock switches.

If your fob's key does not work after replacing the battery, it may be water damage that is preventing it from interacting with the module in your vehicle. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob salt water at the beach. If you think your fob was exposed to water, place it in a rice bag to draw out the moisture. If that doesn't work your fob may need to be reprogrammed by an experienced auto locksmith or the dealer.

Water Damage

The fob does have rubber seals that keep water out of the chip's electronic circuit the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater can be particularly harmful to the circuit board of the fob, causing it to short out and eventually die. It's not a good thing to let the fob get wet but don't give up even if you accidentally drop the fob in water or forget to remove it from your pants pocket.

First take the battery off the fob. Before replacing the battery clean the electronic chip using isopropyl, or a similar product. Check the fob to determine if it's functioning. If the key does not work, it might need to be reset. This is usually handled by an auto locksmith or dealer.

If the key you have is older and has not been programmed to work with your vehicle, you will need to replace it completely. This is an easy process that can be completed by a professional locksmith for automotive use. The locksmith will require the key to be cut to match your car's ignition. They'll also have to program the fob into your 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 fob might not function because it's out of range. The remote usually has an area of 30 feet or less and if it's far from your car, it won't respond to your commands. You can easily fix this by moving the remote closer to your car until it responds.

If you've replaced your coin battery (commonly known as a "button" or "watch") and your fob doesn't function it could be due to an internal circuit board issue. Reprogramming the fob typically resolves this issue. The instructions are available for most vehicles on YouTube or in the owner's manual.

It may be necessary to replace the clips made of metal that hold the coin batteries in place. If they lose tension it could prevent the battery from being seated properly and could cause the remote to malfunction.

In rare cases it is possible that the fob will become desync'd with your vehicle due to software issues or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases it may be necessary to install the software again in your body control module, too.

Interference

Interference can also cause the key fob to not be able to receive or transmit an signal. This may happen if the key fob is in close proximity to a radio transmitter, such as a cell phone or radar detector. Other reasons why the key fob might not work include a poor connection to the buttons or the internal chip, or water damage.

If the key fob stopped working one day out of the blue or even after trying every option at home to resolve it e.g. replacing batteries, reprogramming or using the spare key fob, you could have a defective receiver module on your 500. The receiver module, located beneath the dashboard, detects radio frequency signals from your key fob. It transforms the signals into electronic commands, which are then processed by the vehicle.

Fortunately, there's an easy method of resetting every single system on board in your 500 keys, including the key fob. Disconnect the battery of 12 volts for about 15 minutes by disconnecting the negative cable first then the positive cable. Then reconnect the battery. This will remove any remaining electricity and then restart the car's computers, which can help you get your key fob working again. If the problem persists you should consult an expert technician. They'll be able determine the exact cause of your problems.