Reasons Your Fiat 500 Key Fob Won't Work

A key fob from fiat punto key replacement 500 allows you to easily open doors and start your car. There are a variety of reasons why the fob won't work. This includes a dead battery water damage, problems with the receiver modules, and interference.

This listing is for an NEW replacement fiat key fob not working Flip Key Remote that looks like the Ilco brand. It needs to be professionally programmed (click here to search for local locksmiths in the automotive industry). It includes trunk, lock and unlock buttons.

Dead Coin Battery

The most frequent reason why your 500 key fob won't function is the battery is dead. Modern key fobs operate with a limited operating range, and must be within only a few feet from the vehicle to function. If you are further away from your vehicle, and you press the keyfob button it won't respond and display the message "Key Fob Not Detected".

If this happens, simply replace the battery of your coin cell (Part number CR2032) with a brand new one from a reputable brand such as Panasonic, Duracell, or Energizer. You can find them in the local hardware store or online.

You can test the battery of your coin-cell by pressing the buttons while standing close to your fiat Doblo key Programming 500. The car should flash its parking lights and the key fob will operate the lock and unlock switches.

If your key fob isn't working after replacing the battery, it might be water damage that hinders it from connecting to the module in your vehicle. Water damage can happen in a number of ways, from the slightest splash to submerging the fob in salt water at the beach. If you suspect that your fob was exposed to water, you can try placing it in a dry rice bag to draw the moisture out. If this fails, you'll need to have the fob changed by an auto locksmith or a dealer.

Water Damage

Water damage can occur if you immerse the fob into the ocean or wash it in a washing machine. Saltwater is especially dangerous to the circuit board of the fob which causes it to short out and eventually die. The fob getting wet is not an option however, if you drop it in a cup of water or don't remember to remove it from your pocket before you run the washing machine and you don't have a chance, don't give in.

First, remove the battery from the fob. Clean the electronic chip using isopropyl ethanol or a similar product and then dry it thoroughly before replacing the battery. Check the fob again to determine if it's working. If the key still doesn't 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 is not programmed to work with your vehicle, you will need to replace it completely. A professional locksmith for automotive will be able to complete this process. The locksmith will need the key to be cut to match the car's ignition. The locksmith will also have to reprogram your fob into the car's system. This is a fast and inexpensive process that can be completed the same day.

Receiver Module Issues

The 500 key fob could not work because it's out of range. The remote has a maximum range of 30 feet. Therefore, when you're too far from your car it won't be able to respond to your commands. This can easily be resolved by moving it closer to your vehicle until it begins responding.

If your fob does not work after replacing the battery inside the coin, which is also called a "button", "watch" or "button" or "button", it could be a problem with the internal circuit board. Reprogramming the fob usually resolves this issue. You can find instructions on how to do this for the majority of automobiles by searching YouTube or looking through the owner's manual.

You may need to replace the metal clips that keep the coin battery. If they loose tension, they could stop the battery from sitting properly and could cause the remote to malfunction.

In rare instances, the fob can become out of the vehicle's sync because of software or hardware problems. This can be a major trouble, but you could often fix this by visiting a local dealer or auto locksmith to have them reprogram your fob for you. In certain instances it may be necessary to reinstall the software on your body control module, too.

Interference

In addition to a dead battery on a coin, the key fob may not be receiving or transmitting 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 the key fob may not function may be a lack of connection to the buttons or the internal chip or water damage.

If your key fob suddenly stopped working, or if you have tried everything at home to fix it (e.g. replacing batteries, reprogramming or using the spare key fob, you could have a faulty receiver module on your 500. The receiver module is situated under the dash and is able to pick up the radio frequency signals from the key fob. It then converts them into electronic commands that the vehicle interprets.

Fortunately, there's an easy way to reset all of the onboard systems in your 500 and include 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 remove any remaining electrical charge and restart the car's computers. This could help get your key fob working again. If the problem persists it is recommended that you consult an experienced technician. They can determine the root of your issues.