Reasons Your Fiat 500 Key Fob Won't Work

A fiat doblo key fob replacement 500 key fob is a convenient method to open the doors and start the car. There are many reasons the fob may stop working. These include a dead battery damage to the receiver module, water issues, and interfering.

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Dead Coin Battery

A dead battery is the main cause of your 500 key fob that isn't working. 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 are far from your vehicle, and 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, simply replace the coin cell battery (Part number CR2032) with a fresh one from a trusted brand such as Panasonic, Duracell, or Energizer. You can find them at your local hardware store, or on the internet.

After you've replaced the battery in the coin cell It is possible to test it by standing in front of your Fiat 500 and pressing the buttons. The car should flash its parking lights and the key fob should operate the lock and unlock switches.

If your fob's key does not work after replacing the battery, it could be water damage that hinders it from interacting with the module in your vehicle. Water damage can occur in many ways, such as simply splashing or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, place it in a rice bag to draw out the moisture. If this doesn't work, you will have to get your fob changed by an auto locksmith or a dealer.

Water Damage

Damage to the water supply can occur if you immerse the fob into the ocean or wash it in a washing machine. Saltwater can cause the circuit board to short and then end up dying. It's not good to soak the fob in water, but don't give it up when you accidentally drop it in the water or don't remove it from your pocket.

First, remove the battery from the fob. Clean the electronic chip with isopropyl or a similar product and dry it thoroughly before replacing the battery. Check the fob to verify if it's functioning. If the fob doesn't work, it may need to be reset. This is usually done by a dealer or professional auto locksmith.

If the key is a newer model and hasn't been programmed to your vehicle it is likely to need to be replaced completely. A professional automotive locksmith can carry out this simple task. The locksmith will require the key cut to match your vehicle's ignition. They'll also have to program the fob into the system of your car. This is a low-cost and quick process that can be completed in the same day.

Receiver Module Issues

The 500 key fob you have may not work because it's out of range. The remote has a range of 30 feet, which means when you're too far from your car it will not respond to your commands. This can easily be resolved by moving it closer to your vehicle until it begins responding.

If your fob isn't working after you replace the battery inside the coin, which is also called a "button", "watch" or "button", it could be due to an issue with the circuit board inside. Reprogramming the fob is usually the solution to this problem. You can find the instructions on how to do this for most automobiles by searching YouTube or looking through the owner's manual.

You may have to replace the metal clips that keep the battery of your coin in place. If they lose tension it can stop your coin battery from sitting properly, causing your remote to malfunction.

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

Interference

In addition to a dead coin battery The key fob may not be able to transmit or receive an signal due to interference. This could occur if the keyfob is located in close proximity to a radio transmitter, like a cell phone or radar detector. Other reasons why the key fob could not function include a weak connection to the buttons or damage to the internal chip or water damage.

If the key fob stopped working one day suddenly and you've tried everything you can do at home to fix it e.g. battery replacement, reprogramming and using the spare key fob, you might have a damaged receiver module on your 500. The receiver module is located under the dash and is able to pick up the radio frequency signals from the key fob. Then, it converts them into electronic commands that the vehicle interprets.

Luckily, there is an easy method to reset every single system on board in your 500 keys, including the key fob. Disconnect the battery 12 volt for about 15 minutes by removing the negative cable and then the positive cable. Reconnect the battery. This will eliminate any remaining electricity, and allow you to restart the computer in your car. This could help you get your key fob to work again. If the problem persists you should seek out an experienced technician. They will be able to diagnose the exact cause of your problems.