20 Myths About Fiat 500 Keys Busted

Fiat Panda Key Fob Replacement

Fiat Panda key fobs contain a transponder chip that sends the signal to your vehicle to open the doors or start the engine. The fob can stop functioning due to a variety of reasons.

A dead battery for the coin is the most frequent reason for the malfunction of a key fob. Other causes are water damage or a damaged module and interference signals.

Dead Coin Battery





If the battery in your key fob has failed, the initial step is to replace it. Make use of a new button battery that has exactly the same size, voltage and specification as the previous one.

If the key fob was exposed to water, such as a splash of rain or salt water at the beach, it will need to be cleaned before it can be used again. The best way to do this is using a paper towel soaked with isopropyl, or electronic cleaner.

If the key fob isn't working despite not being exposed to water it could be due to a malfunction in the receiver module or in the internal electronic chip. In these instances it is possible that reprogramming the key fob using an OBDII scanner can help.

Water Damage

If your key fob has taken submerged in a pool or puddle or gone down the washing machine, you could be suffering some water damage. It's generally possible to get it working by taking the batteries off and cleaning the circuit board with ruby alcohol. click here is recommended to let the fob completely dry before installing the battery.

There could be a problem with the module in the event that your key fob stops working after replacing the battery or changing the programming. You can find instructions for changing the programming of most remote keys on YouTube or consult your owner's manual. You can also try resetting the car's computer onboard using the OBDII scan tool.

Faulty Receiver Module

The key fob has the chip that communicates the vehicle's system. The chip will stop sending and receiving signals to the car when it is damaged. Dropping the key fob could cause this, as well as exposure to water. If your key fob isn't functioning due to water exposure or water exposure, you might be able to fix it by attempting to clean the chip with electronic cleaner or isopropyl alcohol.

If the key fob still does not respond after cleaning it then it is likely that the receiver module is not functioning properly and needs to be replaced. A damaged receiver module may also cause the remote control key to not function. This is usually caused by electromagnetic interference.

Electronic chip that is malfunctioning

The chip that is embedded in the key fob is a vital component of the anti-theft system in your car. It sends a signal to the immobiliser unit inside your vehicle to tell it whether or not the key is valid. Your car won't start if the chip is damaged.

A damaged chip could be caused by interference signals from other objects, bad weather conditions or transmitters operating on the same frequency close to your vehicle. In this case you'll require an entirely new key fob.

Contacts with the battery may be damaged.

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

Modern fobs have rubber seals to keep out water. Immersing them in water, even if just an occasional drizzle or splash, can damage the chip's electronic circuit.

The key fob houses a chip that communicates with the vehicle's immobilizer system to allow it to start. This system makes use of cryptocoding systems in the latest vehicles as well as the traditional red key system for older models. The chip must be replaced if it's malfunctioning.

Faulty 12 Volt Batterie

A malfunctioning battery could cause the key fob to stop working. The car's system will not recognize the remote if this happens.

Before you replace the battery, test it by using a the voltmeter to determine its capacity. A fully charged battery should display 12.6 volts. If the reading falls dramatically then it's time to replace the battery.

To test the battery's power test the battery's capacity by placing an electrical load on it for a couple of minutes. This will remove approximately 1% of the surface charge. Then take another measurement of the voltage. The greater the battery's capacity, the longer it can maintain its voltage. It is ideal to maintain at or near 12 volts for several minutes.

Problems with Radio Signal

This is the main reason for a key fob to stop sending signals to vehicles. This issue can be resolved by replacing the battery. However, it is important to choose a battery that is the same size and voltage as the original.

Fobs endure a lot of punishment, and aren't indestructible. The battery buttons and contacts are brittle and can be bent or damaged from rough usage.

A signal may also be affected by other objects or transmitters that use the same frequency. For instance, a light control panel in your home could transmit interference on the same frequency as key fobs use. This could affect the remote control of your car.

Incorrect OBDII scan tool

There are a variety of reasons why scanners may not work. Certain are more complicated than others.

Professional scan tools let mechanics to monitor the car's network and perform various self-tests. These tools can save you a lot of time, but are costly and are out of reach for most DIYers.

If your OBD2 scan tool isn't turning on, test the voltage at terminals 16 (scantool power) and 4 (chassis earth). If all is fine, a fuse may have blown. This is among the most common reasons for failure of the scanner. The simple fix is usually to replace the fuse that is blowing up.