Avoid Making This Fatal Mistake When It Comes To Your Fiat 500 Keys
Fiat Panda Key Fob Replacement
Fiat Panda keyfobs are equipped with a transponder that transmits an indication from the fob to the car in order to unlock doors or start the motor. However, the fob may stop working for several reasons.
The most frequent cause of key fob failure is an inoperable coin battery. Other reasons include water damage, malfunctioning receiver modules, and signal interference.
Dead Coin Battery
If your key fob's battery has failed, the initial step is to replace it. Choose a button battery that has the same voltage, size, and specifications as the previous one.
If the key fob has been exposed to water, for example a splash of rain or salt water at the beach, it needs to be cleaned before it is able to be used again. The trick is to use the paper towel and soak it in isopropyl or electronic cleaner.
If the key fob hasn't been exposed to water, but it is still not working it could be an issue with the receiver module or an internal electronic chip. In these cases it is possible that reprogramming the key fob with an OBDII scanner may assist.
Water Damage
If your key fob has gotten a bath in the puddle or pool or walked down the wash machine, you could be suffering some water damage. It is usually possible to get it back in working order by removing the batteries and cleaning the circuit board with ruby alcohol. It's best to allow the device to completely dry before putting in the battery.
You could have a damaged module in the event that your remote stops working after replacing the battery or replacing it with. You can find reprogramming instructions for the majority of vehicles' remote key fobs on YouTube or in the owner's manual. You can also try resetting the car's onboard computer using the OBDII scan tool.
Faulty Receiver Module
The key fob contains a chip that communicates with the vehicle's system. If the chip is damaged, it will be unable to longer send and receive signals to the vehicle. Dropping the key fob could result in this, as can exposure to water. If the key fob stopped working after exposure to water it may be possible to repair it by cleaning the chip with isopropyl alcohol, or electronic cleaner.
If the key fob won't respond to cleaning, it is possible that the component has an issue and should be replaced. A faulty receiver module can also cause the remote control key to stop functioning. This is usually caused by electromagnetic interference.
A defective electronic chip
The chip inside your key fob plays a crucial role in the anti-theft system of your vehicle. It transmits a message to the immobiliser in your car to inform it that the key is valid. If the chip is damaged or damaged, your car won't start.
A malfunctioning chip could be caused by interference signals from objects or weather conditions that are bad, or transmitters on the same frequency as your vehicle. In this scenario you'll require a new key fob.
Faulty battery contacts
The battery contacts of the fob's battery can be damaged due to heavy use. If they are bent, or damaged, the fob will not send any signals to receiver modules inside the vehicle.
Modern fobs come with rubber seals that keep out water. Immersing them in water, even if it's only a light drizzle or splash, can damage the chip's electronic components.
The key fob has an electronic chip that communicates with the immobilizer system of the vehicle, allowing it to start it. It uses the old red keys that were used in older vehicles, or the cryptocoding system that is used in newer cars. If the chip is defective and needs to be replaced.
Problematic 12 Volt Battery
A defective battery can cause the key fob not to function. When this occurs, the car's computer system will not be able to recognize that the remote is inside the vehicle.
Before you replace the battery, test it by using a an voltmeter to gauge its capacity. A fully charged battery should display 12.6 volts. If the reading drops dramatically, it's time to replace it.
To test the battery's power to determine its capacity, put an electric load on it for a few minutes. This will eliminate 1% of the surface charges. After that, take the voltage again. The longer the battery can hold its voltage, the better its capacity. The ideal scenario is to keep it at 12 volts or less for several minutes.
Radio Signal Faulty Radio Signal
This is the most frequent reason for keys not sending signals to vehicles. This issue can be fixed by replacing the battery. It is important to buy a battery with the same voltage and dimensions as the original.
Fobs endure a lot of abuse, but they're also not indestructible. The battery buttons and contacts are delicate and can be bent or damaged by rough use.
Other transmitters or objects that use the same frequency can also disrupt the signal. A light-control panel at your home, for instance can interfere with key fobs that use the same bandwidth. This can interfere with the remote control of your car.
Faulty OBDII scan tool
There are many reasons why scanners may not function. Certain are more complicated than others.
Professional scan tools let a mechanic observe the car's network and run various self-tests. These tools can save you a lot of time, but they're expensive and out of reach for the majority of DIYers.
If fob programming OBD2 scan tool doesn't turn on, check the voltage at terminals 16 (scantool power) and 4 (chassis earth). If they are all OK there is a chance that a fuse has blown. This is one of the most frequent causes of a scan tool failing. It is generally easy to fix the issue by replacing the fuse blowing up.