Reasons Your Fiat 500 Key Fob Won't Work
A fiat 500 key fob is a great way to unlock the doors and start the car. However, there are numerous reasons why the fob may stop functioning. This could be due to a dead coin battery or damage to the receiver module, water issues, and interfering.
This listing is for a NEW replacement fiat key Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to find local automotive locksmiths). Includes trunk, lock and unlock buttons.
Dead Coin Battery
The most frequent reason that the 500 key fob won't work is the battery is dead. Modern key fobs have limited operating range and must be within a few inches of the vehicle in order to work. If you are far from your car and hit the keyfob, it will not respond, and display the message "Key Fob Not Detected".
If this happens you need to replace the battery of your coin-cell (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. You can find them at your local hardware store or online.
You can test the battery on your coin-cell by pressing the buttons while you're standing close to your fiat key cover 500. The car should blink its parking lights and the key fob will operate the lock and unlock switches.
If your fob's key isn't working after replacing the battery, there could be water damage that has prevented it from connecting to the module in your vehicle. Water damage can happen in many ways, such as an easy splash or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If that doesn't work, your fob will probably require reprogramming by a professional locksmith or dealer.
Water Damage
While the fob has some rubber seals to keep water from the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the fob's circuit board and can cause it to short out and eventually end up dying. It's not a good thing to soak the fob in water however, but don't give it up when you accidentally drop it in the water or don't remove it from your pants pocket.
First take the battery off the fob. Clean the electronic chip using isopropyl or a similar product and then dry it completely before replacing the battery. Check the fob to determine if it's functioning. If the key does not function, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.
If your key is a bit older and is not programmed to work with your vehicle it is necessary to replace it completely. A professional locksmith for automotive can do this job. The locksmith will need the key to be cut to match the car's ignition. They'll also need to reprogram the fob to your vehicle's system. This is a low-cost and fast process that can be completed in the same day.
Receiver Module Issues
One of the main reasons your 500 key fob won't be functioning is because it's out of range. The remote has a range of 30 feet, which means if you are too far from your car, it won't respond to your commands. It's easy to solve this problem by moving the remote closer to your car until it responds.
If your fob won't work after you replace the coin battery, also called a "button", "watch" or "button" It could be a problem with the internal circuit board. In the majority of cases, reprogramming your fob will resolve this problem. There are instructions on how to get fiat key code to do this for most vehicles by searching YouTube or reading the owner's manual.
You may have to replace the metal retaining clips that keep the coin battery in place. If they become loose, it can prevent your coin battery from sitting properly, causing your remote to malfunction.
In rare cases the fob may be out of connection with your vehicle as a result of software or hardware problems. This can cause a major issue, but you are able to usually fix it by visiting an auto locksmith to have them reprogram your fob for you. In certain situations they may have to reinstall the software in your body control module, too.
Interference
Interference can also cause the key fob to be unable to receive or transmit the signal. This is possible when the key fob is located near the radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function could be due to a weak connection to the buttons or the internal chip, or water damage.
If your key fob suddenly stopped working, or you have tried everything at home to solve the issue (e.g. replacing the battery, reprogramming, and using the spare key fob, you could have a damaged 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 transforms the signals into electronic commands, which are then processed by the vehicle.
Luckily, there is an easy method of resetting all of the on-board systems in your 500 and include the key fob. Disconnect the battery 12 volt for about 15 minutes, by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will remove any residual electricity and restart the car's computers, which could help the key fob to function again. If the issue persists you should seek out an expert technician. They'll be able determine the root of your problems.
A fiat 500 key fob is a great way to unlock the doors and start the car. However, there are numerous reasons why the fob may stop functioning. This could be due to a dead coin battery or damage to the receiver module, water issues, and interfering.
This listing is for a NEW replacement fiat key Flip Key Remote that looks like the Ilco brand. It must be professionally programmed (click here to find local automotive locksmiths). Includes trunk, lock and unlock buttons.
Dead Coin Battery
The most frequent reason that the 500 key fob won't work is the battery is dead. Modern key fobs have limited operating range and must be within a few inches of the vehicle in order to work. If you are far from your car and hit the keyfob, it will not respond, and display the message "Key Fob Not Detected".
If this happens you need to replace the battery of your coin-cell (Part Number CR2032) by a new one of a reputable brand like Panasonic Duracell or Energizer. You can find them at your local hardware store or online.
You can test the battery on your coin-cell by pressing the buttons while you're standing close to your fiat key cover 500. The car should blink its parking lights and the key fob will operate the lock and unlock switches.
If your fob's key isn't working after replacing the battery, there could be water damage that has prevented it from connecting to the module in your vehicle. Water damage can happen in many ways, such as an easy splash or submerging your key fob in saltwater at the beach. If you suspect that your fob was exposed to water, try placing it in a dry rice bag to pull the moisture out. If that doesn't work, your fob will probably require reprogramming by a professional locksmith or dealer.
Water Damage
While the fob has some rubber seals to keep water from the electronic chip inside the device, submerging it into the ocean or washing it in a machine can cause water damage. Saltwater is particularly dangerous to the fob's circuit board and can cause it to short out and eventually end up dying. It's not a good thing to soak the fob in water however, but don't give it up when you accidentally drop it in the water or don't remove it from your pants pocket.
First take the battery off the fob. Clean the electronic chip using isopropyl or a similar product and then dry it completely before replacing the battery. Check the fob to determine if it's functioning. If the key does not function, it may need to be reprogrammed. This is usually done by an auto locksmith or dealer.
If your key is a bit older and is not programmed to work with your vehicle it is necessary to replace it completely. A professional locksmith for automotive can do this job. The locksmith will need the key to be cut to match the car's ignition. They'll also need to reprogram the fob to your vehicle's system. This is a low-cost and fast process that can be completed in the same day.
Receiver Module Issues
One of the main reasons your 500 key fob won't be functioning is because it's out of range. The remote has a range of 30 feet, which means if you are too far from your car, it won't respond to your commands. It's easy to solve this problem by moving the remote closer to your car until it responds.
If your fob won't work after you replace the coin battery, also called a "button", "watch" or "button" It could be a problem with the internal circuit board. In the majority of cases, reprogramming your fob will resolve this problem. There are instructions on how to get fiat key code to do this for most vehicles by searching YouTube or reading the owner's manual.
You may have to replace the metal retaining clips that keep the coin battery in place. If they become loose, it can prevent your coin battery from sitting properly, causing your remote to malfunction.
In rare cases the fob may be out of connection with your vehicle as a result of software or hardware problems. This can cause a major issue, but you are able to usually fix it by visiting an auto locksmith to have them reprogram your fob for you. In certain situations they may have to reinstall the software in your body control module, too.
InterferenceInterference can also cause the key fob to be unable to receive or transmit the signal. This is possible when the key fob is located near the radio transmitter (cell phones, radar detectors) or another source of electromagnetic radiation. Other reasons why the key fob may not function could be due to a weak connection to the buttons or the internal chip, or water damage.
If your key fob suddenly stopped working, or you have tried everything at home to solve the issue (e.g. replacing the battery, reprogramming, and using the spare key fob, you could have a damaged 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 transforms the signals into electronic commands, which are then processed by the vehicle.Luckily, there is an easy method of resetting all of the on-board systems in your 500 and include the key fob. Disconnect the battery 12 volt for about 15 minutes, by disconnecting the negative cable first then the positive cable. Reconnect the battery. This will remove any residual electricity and restart the car's computers, which could help the key fob to function again. If the issue persists you should seek out an expert technician. They'll be able determine the root of your problems.
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