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

A key fob for the Fiat 500 is a handy way to open the doors and begin the car. There are many reasons why the fob could stop working. These include a dead coin battery, damage to the receiver module, issues, or interference.

This listing is for a NEW replacement fiat 500 key fiat key programming Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to find local locksmiths for your vehicle). This remote includes lock, unlock and trunk buttons.

Dead Coin Battery

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

If this happens, replace the battery in the coin cell (Part number CR2032) with a fresh one from a reputable manufacturer such as Panasonic, Duracell, or Energizer. You can typically find them in your local hardware store or on the internet.

After you've changed the battery on the coin cell you can test it by standing close to your fiat punto key fob replacement 500 and pressing the buttons. The car will flash its parking lights and the key fob will operate the lock and unlock switches.

If your key fob still isn't working after replacing the battery, it may be water damage that is preventing it from communicating with the module in your vehicle. Water damage can happen in a variety of ways, such as a simple splash or submerging your key fob in saltwater at the beach. If you believe your fob was exposed to water, put it in a bag of rice to draw out the moisture. If this fails, you'll have to get your fob changed by an auto locksmith or dealer.

Water Damage

The fob does have rubber seals to keep water out of the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short and eventually cease to function. It's not good to submerge the fob in water, but don't give it up in the event that you accidentally drop it in water, or fail to take it out of your pants pocket.

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

If the key is newer and was not programmed to your vehicle it is likely to need to be replaced completely. This is a simple process that can be completed by a professional automotive locksmith. The locksmith will require the key to be cut to match the car's ignition. The locksmith will also need to program your fob into the car's system. This is a low-cost and quick procedure that can be completed the same day.

Receiver Module Issues

Your 500 key fob might not function because it's out of range. The remote typically has 30 feet of range or less, and if it's too far from your car, it will not respond to your commands. You can easily remedy this by moving your remote closer to your vehicle until it responds.

If you've replaced the coin battery (commonly called"button" or "button" or "watch") and your fob still won't work it could be due to an internal circuit board problem. In the majority of cases, reprogramming your fob can resolve the problem. You can find the steps for most vehicles on YouTube or in the owner's manual.

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

In rare instances the fob could be desync'd with 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 certain instances it is possible that the software will require reinstallation to your body control modules.

Interference

In addition to a dead coin battery, the key fob may not be able to transmit or receive the signal due to interference. This could occur if the key fob is located near the radio transmitter (cell phones or radar detectors) or another source of electromagnetic radiation. Other reasons the key fob may not function include a weak connection to the buttons or damage to the internal chip, or water damage.

If the key fob has stopped working one day suddenly, or after trying everything you can at home to solve it e.g. replacing the battery, reprogramming it and using the spare key fob, you might have a faulty receiver module on your 500. The receiver module is situated under the dash and receives the radio frequency signals from the key fob. It converts the signals into electronic commands that are then translated by the vehicle.

Fortunately, there's an easy method to reset all of the onboard systems in your 500 device, including the key fob. Disconnect the 12 volt battery for about 15 minutes by removing the negative cable and then the positive cable. Then reconnect the battery. This will erase any remaining electricity, and allow you to restart the computer of your car. This could help you get your key fob working again. If the issue continues you should speak with a certified technician. They will be able to diagnose the exact cause of your issues.