A Brief History Of The Evolution Of Fiat 500 Keys
Fiat Panda Key Fob Replacement
Fiat Panda keyfobs are equipped with a transponder that sends signals from the fob to the car to unlock doors or start the motor. However, the fob can not function due to a variety of reasons.
A dead battery for the coin is the most common reason for malfunctioning keys. Other causes include water damage, an inoperative receiver module and signal interference.
Dead Coin Battery
Replace the battery if the key fob has gone out of service. Make use of a new button battery that is identical in size, voltage and specifications as the old one.
If the key fob has been exposed to water, like a splash of rain or salt water on the beach, it will have to be cleaned before it can be used again. A paper towel soaked in isopropyl alcohol or electronic cleaner will help.
If the key fob hasn't been exposed to water but remains inoperable, there may be a problem with the receiver module or an internal electronic chip. In these situations, reprogramming the key fob using an OBDII scanner might help.
Water Damage
It is possible to get water damage to your key fob if it was submerged in a puddle, pool or washing machine. You can usually get it working again by taking the battery off and cleaning the circuit board with isopropyl alcohol. It's best to let the fob dry completely prior to installing a new battery.
If your key fob stopped working even after replacing the battery and reprogramming it, you may have a defective receiver module. There are reprogramming guidelines for all vehicles' remote key fobs on YouTube or in your owner's guide. You can also reset your computer in your car with the OBDII scanner tool.
Faulty Receiver Module
The key fob is equipped with the chip that communicates the vehicle's system. The chip will stop sending and receiving signals to the car if damaged. 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 the issue by cleaning or cleaning the chip using isopropyl alcohol or an electronic cleaner.
However, if the key fob continues to not respond even after cleaning it it is likely that the module is faulty and will need to be replaced. A defective receiver module could also cause the remote control key to stop functioning. This is usually due to electromagnetic interference.
Faulty Electronic Chip
The electronic chip inside your key fob is a vital role in the anti-theft system of your vehicle. It sends a signal to the immobiliser device in your vehicle to tell it whether or not the key is valid. If the chip is damaged or broken, your car will not start.
A damaged chip could be caused by interference signals from other objects such as weather conditions, objects or transmitters on the same frequency in close proximity to your vehicle. In this scenario an upgrade to the fob will be required.
Faulty Battery Contacts
The battery contacts on a key fob can be damaged by heavy usage. If they're bent or broken, the fob won't send any signals to receiver modules inside the vehicle.
Modern fobs are equipped with rubber seals that block out water. Immersing fiat 500 replacement key in water, even if it is just small splash or drizzle, can damage the chip's electronic circuit.
The key fob has chips that communicate with the vehicle's immobilizer system to begin it. This system uses crypto coding systems in newer vehicles, or the old red key system in older ones. If the chip is damaged, it will need to be replaced.
Problems with 12 Volt Batteries
A damaged battery could cause the key fob not to work. When this occurs the car's computer will not be able to recognize that the remote is within the vehicle.
Before replacing the battery, you should test it with a an voltmeter to gauge its capacity. A fully charged battery should display 12.6 volts. If the reading drops dramatically then it's time to replace it.
To test the battery's power, place an electrical load on it for a couple of minutes. This will remove 1% of the surface charges. Then, you can measure the voltage. The better the battery's capacity and the longer it can maintain its voltage. Ideally, it should remain close to 12 volts several minutes.
Faulty Radio Signal
This is the most frequent reason for the key fob to stop sending signals to a car. This problem can be solved by replacing the battery. But, it is essential to purchase a battery that has the same voltage and size as the original one.
Fobs are subject to a lot of punishment, and aren't impervious to destruction. The battery buttons and the contacts are fragile which means they could be bent or damaged by rough usage.
The signal could also be affected by other transmitters or objects that operate on the same frequency. For instance, a light-control panel close to your home can transmit interference on the same bandwidth that key fobs use. This could affect the remote control of your car.
Faulty OBDII Scan Tool
There are a variety of reasons why scanners may not perform. Some are more complex than others.
Professional scan tools enable mechanics to monitor the car's networks and run various self-tests. These are great time savers but they can also be very expensive, and out of the range of most DIYers.
If your OBD2 scanner won't turn on examine the voltage at terminal 16 (scan tool power) and terminal 4 (chassis ground). If both are in good condition the fuse could have failed. This is the main reason for failure of the scan tool. The easiest solution is to replace the fuse which has blown.