Reasons Your fiat key 500 Key Fob Won't Work

A fiat punto replacement key (you could look here) 500 key fob is a handy way to open the doors and start the car. However, there are many reasons why the fob may stop working. This includes a dead battery or water damage, problems with receiver modules, as well as interference.

This listing is for an NEW replacement Fiat Flip Key Remote - similar to the Ilco brand that must be programmed professionally by a local locksmith (click here for Locksmith Search). It comes with 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 have a limited range of operation, and must be within just a few feet of the vehicle to operate. If you're not close to 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 fresh one of a trusted brand such as Panasonic Duracell or Energizer. They are usually available in your local hardware store or online.

After you've changed the battery on the coin cell You can test it by standing in front of your Fiat 500 and pressing the buttons. The car should blink its parking lights and Fiat Punto Replacement Key the key fob will operate the lock and unlock switches.

If the fob's key doesn't work after replacing the battery, it might have water damage that prevents it from communicating with the receiver module in your car. Water damage can occur in a variety of ways, ranging from a light splash to submerging the fob into salt water at the beach. If you suspect that your fob was exposed to water, you can place it in a rice bag to draw out the moisture. If that doesn't work, your fob will probably need to be reset by an experienced auto locksmith or the dealer.

Water Damage

The fob does have rubber seals to keep water out of the electronic chip inside and out of the ocean or washing it in a machine could cause water damage. Saltwater is especially dangerous to the fob's circuit board that can cause it to short out and eventually end up dying. It's not a good thing to get the fob wet however, but don't give it up even if you accidentally drop the fob in water or fail to take it out of your pants pocket.

Take the battery off first. Before replacing the battery, clean the electronic chip using isopropyl or Fiat Punto Replacement Key another similar product. Test the fob afterward to see if it is functioning. If the key still doesn't work, it might need to be reprogrammed. This is usually done by an auto locksmith or dealer.

If the key is older and has not been programmed to your car, it will likely need to be replaced completely. A professional locksmith for automotive can do this job. The locksmith will need to cut the key to match the ignition in your vehicle. They'll also have to program the fob into the system of your car. This is a cheap and quick procedure that can be completed on the same day.

Receiver Module Issues

One of the most common reasons why your 500 key fob won't be functioning is because it's out of range. The remote typically has an area of 30 feet or less, and if it's too far away from your car it won't respond to your commands. This can easily be resolved by moving it closer to your vehicle until it begins responding.

If your fob doesn't work after you replace the battery inside the coin, which is also known as a "button", "watch" or "button" It may be due to a malfunction on the internal circuit board. In most cases, reprogramming the fob will solve the issue. You can find the instructions for most vehicles on YouTube or in the owner's guide.

You may have to replace the metal clips that keep the battery of your coin in place. If they become loose, it can prevent your coin battery from sitting properly and cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle due to software issues or hardware issues. It is possible to fix this issue by visiting your local auto-locksmith or dealer to reprogram your key fob. In certain situations it may be necessary to install the software again in your body control module as well.

Interference

Interference can also cause the key fob not to receive or transmit an signal. This could occur if the keyfob is located in close proximity to a radio transmitter, like a cellphone or radar detector. Other reasons why the key fob may not function may be a lack of connection to the buttons or damage to the internal chip, or water damage.

If the key fob been unable to function for a while without notice or even after trying everything you can at home to resolve it e.g. replacing the battery, reprogramming it and using the spare key fob, you may have a defective receiver module on your 500. The receiver module is situated under the dash, and it picks up the radio frequency signals from the key fob. It transforms the signals into electronic commands which are then processed by the vehicle.

There's a simple method to reset the 500's onboard system, including the keyfob. Disconnect the battery for 15 minutes by removing first the negative cable, then the positive cable. Then reconnect the battery. This will eliminate any remaining electricity and restart the car's computers, which could allow you to the key fob to function again. If the issue continues, you should seek the advice of an expert technician. They will be able diagnose the root cause of any problems.