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

A key fob for the fiat key code 500 is a convenient way to open the doors and begin the car. There are many reasons why the fob won't work. It could be due to a dead battery, damaged receiver module, water damage problems, and interference.

This listing is for a NEW replacement fiat doblo key Fob programming Flip Key Remote - similar to the Ilco brand that must be professionally programmed by a local automotive locksmith (click here for Locksmith Search). It includes lock, unlock, and trunk buttons.

Dead Coin Battery

A dead battery is the most common cause of your 500 key fob not working. Modern fiat ducato key programming fobs offer a limited range of operation and must be within a few inches of the vehicle to function. If you're far from your vehicle, and you push the keyfob button it will not respond and display the message "Key Fob Not Detected".

If this occurs If this happens, replace the battery in the coin-cell (Part Number CR2032) by a fresh one of a reputable brand such as Panasonic Duracell or Energizer. You can find them at the local hardware store or on the internet.

After you've replaced the battery in the coin cell you can test it by standing in front of your fiat punto car key replacement 500 and pressing the buttons. The parking lights should light up and the key fob will operate the lock and unlock switch.

If the fob's key doesn't function after replacing the battery, it might be damaged by water that blocks it from communicating with the receiver module inside your car. Water damage can happen in many ways, such as simply splashing or submerging the key fob in saltwater at the beach. If you suspect that your fob was exposed to water, place it in a bag of rice to draw out the moisture. If this doesn't work, you will need to have the fob replaced by an auto locksmith or a dealer.

Water Damage

While the fob has some rubber seals to keep water out of the chip's electronic circuit the device, submerging it into the ocean or washing it in a machine could cause water damage. Saltwater can be particularly harmful to the circuit board of the fob and can cause it to short out and eventually end up dying. It's not the best idea to get the fob wet but don't give up in the event that you accidentally drop it in the water or don't remove it from your pocket.

Take the battery off first. Before replacing the battery clean the electronic chip using isopropyl or a similar product. Next test the fob to verify if it is working. If the key does not function, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key you have is older and not programmed for your vehicle then you'll need to replace it completely. A professional locksmith for automotive can carry out this simple task. The locksmith will need to cut the key to match the ignition of your car. They will also need to program the fob into the car's system. This is an affordable and quick procedure that can be completed in the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob may stop functioning is that it's out of range. The remote's range is of 30 feet. Therefore, if you are too far away from your vehicle, it won't respond to your commands. This can easily be resolved by moving closer to your vehicle until it begins responding.

If you've replaced the coin battery (commonly called a "button" or "watch") and the fob won't work, it could have an internal circuit board issue. Reprogramming the fob usually resolves the issue. You can find the instructions on how to get a new fiat 500 key to do this on the majority of automobiles by searching YouTube or consulting the owner's manual.

You may need to replace the metal clips that keep the coin battery. If they loose tension, it can stop your coin battery from sitting properly, causing your remote to malfunction.

In rare cases the fob might become desync'd with your vehicle because of software or hardware issues. This can cause a major trouble, but you could often fix this by visiting a local dealer or auto locksmith to reprogram your fob for you. In some instances it may be necessary to reinstall the software on your body control module, too.

Interference

Interference can also cause the key fob to not receive or transmit a signal. This may happen if the keyfob is located in close proximity to a radio transmitter like a cell phone or radar detector. The key fob could not function because of a problem to the buttons or water damage, or damage to the internal chips.

If the key fob failed to work one day suddenly or after trying everything you can do at home to fix it e.g. battery replacement, reprogramming and using the spare key fob, it could have a damaged receiver module on your 500. The receiver module is located under the dash and receives the radio frequency signals from the key fob. It transforms the signals into electronic commands that are then read by the vehicle.

Luckily, there is an easy way to reset every single system on board in your 500 keys, including the key fob. Disconnect the battery for 15 minutes by taking off first the negative cable and then the positive cable. Reconnect the battery. This will erase any remaining electricity, and restart the computer in your car. This will help you get your key fob working again. If the problem persists you should speak with an expert certified technician. They'll be able to determine the exact cause of your problem.