The Sage Advice On Fiat Panda Key Fob Replacement From An Older Five-Year-Old

Reasons Your Fiat 500 Key Fob Won't Work

A key fob for the fiat punto key fob 500 is a convenient method to open the doors and fiat 500 key fob not working start the car. However, there are numerous reasons why the fob may stop functioning. This could be due to a dead coin battery damage to the receiver module, water problems, and interference.

This listing is for a NEW replacement fiat 500 key fob not working Flip Key Remote - look-alike Ilco brand that needs to be programmed professionally by a local locksmith (click here to search for a Locksmith Search). It comes with lock, unlock and trunk buttons.

Dead Coin Battery

A dead battery is probably the most common reason for your 500 key fob not functioning. Modern key fobs have a limited operating range, 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 be able to respond, and will display a "Key Fob Not Detected" message in the instrument cluster.

If this happens you need to replace the battery of your coin-cell (Part Number CR2032) by a brand new one of a trusted brand like Panasonic Duracell or Energizer. You can usually find them in your local hardware store or online.

You can test the battery of your coin-cell by pressing the buttons while you are standing close to your fiat 500 car keys 500. The parking lights should blink and the key fob should operate the lock and unlock switch.

If the fob's remote doesn't work after replacing the battery, it might have water damage that stops it from communicating with the receiver module inside your car. Water damage can happen in a number of ways, from an accidental splash to submerging your fob in salt water at the beach. If you think your fob was exposed to water, put it in a rice bag to draw out the moisture. If this doesn't work, the fob might require reprogramming by an experienced locksmith or dealer.

Water Damage

While the fob comes with 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 can cause the circuit board to short, and eventually fail. It's not a good idea to get the fob wet however, but don't give it up if you accidentally drop it in water, or fail to take it out of your pants pocket.

First remove the battery from the fob. Before replacing the battery, clean the electronic chip using isopropyl or a similar product. Test the fob afterward to check if it's working. If the key isn't working then it might need to be programmed again. This is usually handled by a professional or dealer auto locksmith.

If your key is older and not programmed for your vehicle then you'll need to replace it completely. A professional locksmith for cars can do this job. The locksmith will need the key cut to match the car's ignition. The locksmith also needs to reprogram the fob into the car's system. It's a simple and cost-effective procedure which can be completed within the same day.

Receiver Module Issues

One of the most common reasons your 500 key fob may stop working is that it's simply out of range. The remote has a range of 30 feet. So should you be too far from your car it won't respond to your commands. It's easy to solve this issue by moving the remote closer to your car until it responds.

If you've replaced the battery in your coin (commonly called a "button" or "watch") and the fob isn't working, it could have an internal circuit board issue. In the majority of cases, reprogramming your fob will fix 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 the correct position. If they lose tension, it could prevent the battery from being properly seated and could cause your remote to malfunction.

In rare instances the fob might become desync'd with your vehicle due to software issues or hardware issues. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some instances they may have to reinstall the program in your body control module, as well.

Interference

Interference can also cause the key fob to not receive or transmit the signal. This could occur if the key fob is close to a radio transmitter (cell phones or radar detectors) or any other source of electromagnetic radiation. The key fob might not work due to a poor connection with the buttons or water damage, or damage to the internal chips.

If the key fob stopped working one day in the middle of the night and you've tried every option at home to fix it e.g. You might have a damaged 500 receiver module after you've tried replacing the battery, reprogramming or using a spare key fob. 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.

Fortunately, there's an easy method of resetting all on-board systems in your 500, including the key fob. 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 electrical charge and restart the car's computers. This can help the key fob to function again. If the problem persists you should speak with an expert technician. They'll be able to determine the root of your issues.