Why No One Cares About Fiat 500 Keys Fiat Panda Key Fob Replacement

Fiat Panda key fobs contain transponder chips that send the signal to your vehicle to open the doors and start the engine. The fob can stop functioning for a variety.

The most common reason for key fob failure is an inoperable coin battery. Other causes include water damage, the receiver module is defective and signal interference.

Dead Coin Battery

If your key fob battery has died, the first step is to replace it. Make use of a button cell battery with the same voltage, size and specifications as your previous one.

If the key fob was exposed to water (such as saltwater or rain at the beach) it should be cleaned prior to being used again. The best method 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 still does not work it could be because of a problem with the receiver module or an internal electronic chip. Reprogramming the keyfob by using an OBDII scan may help in these cases.

Water Damage

If your key fob has gotten submerged in a pool or puddle or gone through the washing machine, you could be suffering some water damage. You can usually restore it's functionality by taking the battery off and cleaning the circuit board with isopropyl alcohol. It's best to let the circuit board completely dry before putting in batteries.

If your key fob isn't working, even after replacing the battery and reprogramming it, you may have a defective receiver module. There are instructions for reprogramming most vehicles' remote keys on YouTube or consult the owner's manual. You can also reset the computer of your vehicle using the OBDII scanner tool.

Faulty Receiver Module

The key fob contains an electronic chip that communicates with the vehicle's system. If the chip is damaged, it will be unable to longer be able to send or receive signals to the vehicle. This can be caused by dropping the key fob, or by water exposure. If your key fob stopped working due to exposure to water, you may be able to fix it by attempting to clean the chip with electronic cleaner or isopropyl ethanol.

If the key fob doesn't respond to cleaning, it is likely that the module is in an issue and should be replaced. A faulty receiver module can also cause the remote control key to not function. This is typically caused by electromagnetic interference.

A defective electronic chip


The electronic chip in the key fob is an important element of the anti-theft device in your vehicle. It sends a signal to the immobiliser inside your car to inform it whether the key is genuine. Your car will not start in the event that the chip has been damaged.

A damaged chip could be caused by interference signals from objects such as weather conditions, objects or transmitters on the same frequency in close proximity to your car. In this scenario you'll need a new key fob.

Contacts to the battery are not working properly.

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

Modern fobs are constructed with rubber seals that keep out water. In the event of submerging them in water, even if it's only the slightest splash or drizzle can harm the electronic chip.

The key fob comes with an embedded chip that communicates to the immobilizer system of the vehicle to start it. The system relies on cryptocoding systems in vehicles that are more modern as well as the traditional red key system for older ones. If this chip is faulty, it will need to be replaced.

A faulty 12 Volt battery

A defective battery can cause the key fob not to work. When this happens the car's computer will not be able to recognize that the remote is within the vehicle.

Before replacing the battery, test it using a an voltmeter to gauge its capacity. A fully charged battery will display 12.6 volts. If the reading decreases significantly the time is now 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. Then take another measurement of the voltage. The greater the battery's capacity is, the longer it will maintain its voltage. copy is to hold at or near 12 volts for several minutes.

Problems with Radio Signal

This is the most common reason for a key fob that ceases to send signals to the car. The battery can be replaced to fix this issue. But, it is essential to select a replacement battery with the same voltage and size as the original.

Fobs take a lot of abuse, and they aren't impervious to destruction. Contacts and buttons on batteries can be damaged by rough handling.

Other transmitters or objects using the same frequency may also disrupt the signal. A light-control panel at your home, for example could interfere with key fobs which use the same bandwidth. This could interfere with the remote control of your car.

Faulty OBDII scan tool

There are many reasons why scanners may not perform. Some are more complex than others.

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

If your OBD2 scanner isn't turning on, check the voltage on terminal 16 (scan tool power) and terminal 4 (chassis ground). If they're both in good shape it's likely that a fuse is blowing. This is the most common cause of scan tool failure. The simple fix is usually to replace the fuse that has been blown.