10 Things We All Love About Fiat 500 Keys Fiat Panda Key Fob Replacement

Fiat Panda key fobs contain transponder chips that send signals to your car to unlock the doors or start the engine. The fob might stop working for a variety.

A dead battery for the coin is the most common reason for malfunctioning keys. Other causes include water damage or a damaged module and interference signals.

Dead Coin Battery

If the battery in your key fob has gone out of service, the first step is to replace it. Choose a new button battery that has identical in size, voltage and specifications as the old one.

If the key fob was exposed to water (such as saltwater or rain at the beach), it must be cleaned prior to being used again. The best method is to use the paper towel and soak it in isopropyl or an electronic cleaner.

If the key fob doesn't working despite not being exposed water it could be due to a malfunction in the receiver module, or even in the internal electronic chip. Reprogramming the keyfob through an OBDII scan can help in these instances.

Water Damage

If your key fob has gotten a bath in the pool or puddle or walked down the wash machine, you could be suffering some water damage. It's generally possible to repair it by removing the batteries and cleaning the circuit board with rubbing alcohol. It is recommended to let the circuit board completely dry before installing batteries.

If your key fob isn't working even after replacing the battery and reconfiguring it, you may have a malfunctioning receiver module. You can find the instructions for reprogramming most vehicles' remote keys 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 is equipped with an electronic chip that communicates with the car's system. If the chip is damaged, it cannot longer send and receive signals to the vehicle. The key fob being dropped can cause this, as could water exposure. If your key fob stopped functioning due to water exposure and you are unable to fix it if clean the chip using electronic cleaner or isopropyl ethanol.

However, if the key fob is still unable to not respond after cleaning it, there is a good chance that the module is faulty and will require to be replaced. A damaged receiver module may also cause the remote control key to stop working. This is typically caused by electromagnetic interference.

Electronic chip that is malfunctioning

The chip that is embedded in the key fob is a crucial component of the anti-theft system in your vehicle. It transmits a signal to the immobiliser device in the vehicle to determine whether or not the key is genuine. The car won't start in the event that the chip has been damaged.

A faulty chip may also be caused by interference caused by objects, bad weather or transmitters close to your vehicle. In this instance, a new fob will be needed.

Contacts with the battery may be damaged.


The battery contacts on the fob's key can be damaged by excessive usage. If they're bent or broken, the fob won't send any signals to receiver modules inside the vehicle.

Modern fobs are made with rubber seals in order to keep out water. A splash of water or light rain is fine however, submerging them in saltwater can harm the electronic chip.

The key fob comes with an electronic chip that communicates with the immobilizer system of the vehicle to start it. fiat key cover makes use of cryptocoding systems in modern vehicles or the red key system for older ones. If the chip is defective, it will need to be replaced.

A faulty 12 Volt battery

A faulty battery may cause the key fob to function. When this occurs, the car's computer system will not recognize that the remote is inside the vehicle.

Test the battery with an voltmeter prior to replacing it to determine its capacity. A fully charged battery will display 12.6 volts. If the reading falls significantly it's time to change it.

Set an electrical load for a few moments on the battery to test its capacity. This will eliminate one percent of the surface charges. After that, take the voltage once more. The higher the capacity of the battery, the longer it can maintain its voltage. The ideal is to keep it at or near 12 volts for several minutes.

Radio Signal Faulty Radio Signal

This is the most typical reason for the key fob not sending signals to the car. The issue can be fixed by replacing the battery. It is important to buy an identical battery dimensions and voltage as the original.

Fobs are not indestructible and are susceptible to damage. The battery buttons and contacts are delicate, so they can get bent or damaged by rough use.

A signal can also be affected by other transmitters or objects that operate on the same frequency. For example, a light-control panel near your home may transmit interference on the same frequency that key fobs use. This could interfere with the remote control of your car.

Problems with OBDII Scan Tool

There are many reasons why a scanner might not work. Some are more complex than others.

Professional scan tools enable a mechanic observe the car's network and perform various self-tests. These tools can save time, but they're expensive and are out of reach for the majority of DIYers.

If your OBD2 scan tool doesn't turn on, check voltage at the terminals 16 (scantool power) and 4 (chassis earth). If these are OK it's likely that a fuse has failed. This is the main reason for failure of the scan tool. It is generally simple to fix the issue by replacing the fuse blowing up.