Reasons Your Fiat 500 Key Fob Won't Work
A key fob for fiat 500 new key cost uk 500 makes it easy to open doors and start your vehicle. However, there are a variety of reasons why the key fob might stop working. This could be due to a dead coin battery or damage to the receiver module, water issues, or interference.
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Dead Coin Battery
A dead battery is probably the most common reason for your 500 key fob not functioning. Modern key fobs operate with a restricted operating range, and should be within a few feet of the vehicle to operate. If you're not close to your vehicle and you 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 occurs then replace the battery for your coin-cell (Part Number CR2032) with a new battery from a reputable brand like Panasonic Duracell or Energizer. They are available at your local hardware store or on the internet.
You can test the battery in the coin-cell by pressing the buttons while you're standing close to your fiat key 500. The parking lights should flash 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 prevents it from connecting to the module in your vehicle. Water damage can occur in many ways, such as a simple splash or submerging the key fob 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 doesn't work your fob may need to be reset by an experienced auto locksmith or the dealer.
Water Damage
The fob does have rubber seals that keep water from the electronic chip inside and out of the ocean or washing it in a machine can cause water damage. Saltwater can cause the circuit board to short, and eventually fail. If you get the fob wet, it's not a good idea but if you drop it into a cup of water or forget to remove it from your pants pocket prior to running the washer and you don't have a chance, don't give in.
First, remove the battery from the fob. Before replacing the battery clean the electronic chip using isopropyl or another similar product. Then test the fob to verify if it is working. If the key does not function, it may need to be changed. This is usually handled by a dealer or professional auto locksmith.
If the key you have is older and is not programmed for your car it is necessary to replace it completely. A professional automotive locksmith can complete this simple process. The locksmith must cut the key to match the ignition of your car. They'll also need to reprogram the fob in your car's system. This is a cheap and quick procedure that can be completed on the same day.
Receiver Module Issues
One of the simplest reasons your 500 key fob might stop working is because it's out of range. The remote usually has 30 feet of range or less and if it's far from your vehicle, it won't respond to your commands. It is possible to solve this issue by moving the remote closer to your car until it responds.
If your fob doesn't work after replacing the coin battery, also called a "button", "watch" or "button", it may be due to a malfunction on the circuit board inside. Reprogramming your fob can resolve this issue. You can find the steps for most vehicles on YouTube or in the owner's manual.
It could be necessary to replace the metal clips that hold the coin batteries in place. If they loose tension, it could hinder the battery from sitting properly, and this will cause the remote to malfunction.
In rare cases the fob could be out of connection with your vehicle as a result of software or hardware problems. You can fix this problem by visiting your local dealer or auto-locksmith to reprogram your key fob. In some cases 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 could not be able to receive or transmit a signal due to interference. This could occur if the key fob is in close proximity to a radio transmitter, like a cell phone or radar detector. The key fob may not work due to a poor connection with the buttons water damage or damage to the internal chips.
If the key fob stopped working one day suddenly, or after trying everything you can do at home to resolve it e.g. battery replacement, reprogramming and using the spare car key Fiat 500 key fob, it could have a malfunctioning receiver module on your 500. The receiver module is situated under the dash and receives the radio frequency signals from the key fob. It transforms the signals into electronic commands which are then translated by the vehicle.
Fortunately, there's an easy way to reset all of the onboard systems in your 500 keys, including the key fob. Disconnect the battery 12 volt for approximately 15 minutes by taking off the negative cable first then the positive cable. Then, reconnect the battery. This will get rid of any residual electricity and restart the car's computers, which could help the key fob to function again. If the issue continues, you should seek the advice of an expert technician. They will be able to diagnose the exact cause of your problem.