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fiat key Panda Key Fob Replacement

fiat punto spare Key cut Panda keyfobs are equipped with a transponder that sends a signal from the fob to the car that allows it to unlock doors or turn on the motor. However, the fob could stop working due to a variety of causes.

A dead battery for the coin is the most common reason for a fiat bravo key fob malfunction. Other causes include water damage malfunctioning receiver modules, and signal interference.

Dead Coin Battery

Replace the battery if your key fob has failed. Use a button cell battery that has 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 before being used again. A paper towel soaked in alcohol or electronic cleaner will do the trick.

If the key fob has not been exposed to water, but it is still not working it could be due to a problem with the receiver module or an internal electronic chip. In these instances it is possible that reprogramming the key fob with an OBDII scanner might assist.

Water Damage

If your key fob has gotten a bath in the puddle or pool or even a trip to the washing machine, you could be suffering some water damage. It's possible to fix it by taking out the batteries and cleaning the circuit board with ruby alcohol. It's best to allow the fob to dry completely prior to installing a new battery.

It could be that you have a defective module in the event that your key fob stops working after replacing the battery or reprogramming. There are reprogramming guidelines for most vehicles' remote key fobs on YouTube or in your owner's guide. You can also try resetting the car's computer onboard using the OBDII scan tool.

Faulty Receiver Module

The key fob contains the chip that communicates with the car's system. The chip will stop sending and receiving signals to the car if it becomes damaged. This can be caused by dropping the key fob or by water exposure. If the key fob is not functioning after exposure to water, it could be possible to repair it by cleaning the chip using isopropyl alcohol, or electronic cleaner.

If the key fob does not respond to cleaning, it is possible that the receiver module has issues and needs to be replaced. A defective receiver can cause the key to not work. This usually happens due to electromagnetic interference.

Faulty Electronic Chip

The electronic chip inside the key fob is a vital element of the anti-theft device in your car. It sends a signal to the immobiliser device in your vehicle to tell it whether or not the key is genuine. If the chip is damaged or broken, the car won't start.

A faulty chip can also be caused by interference signals from objects like bad weather conditions or transmitters on the same frequency near your car. In this instance an upgrade to the fob will be required.

Faulty Battery Contacts

The battery contacts of the fob's battery can be damaged by heavy usage. If they are broken or bent, the fob won't send any signals to the receiver modules inside the car.

Modern fobs are equipped with rubber seals to keep out water. In the event of submerging them in water, even if it is just an occasional drizzle or splash could harm the chip's electronic circuit.

The key fob contains chip that communicates with the immobilizer system of the vehicle in order to start it. The system uses the old red keys that were used in older vehicles as well as the cryptocoding system used in newer cars. This chip needs to be replaced if malfunctioning.

Faulty 12 Volt Battery

A damaged battery could cause the key fob not to function. The car's computer may not recognize the remote when this happens.

Before you replace the battery, test it with an voltmeter for determining its capacity. A fully charged battery should read 12.6 volts. If the reading falls significantly, 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 take off approximately 1% of the charge on the surface. After that, take the voltage once more. The better the battery's capacity, the longer it can maintain its voltage. Ideal is that it stays close to 12 volts for several minutes.

The radio signal is not working properly. Radio Signal

This is the main reason for a key fob to stop sending signals to a car. This issue can be fixed by replacing the battery. However, it is crucial to buy a new battery that is the same voltage and size as the original one.

Fobs are not indestructible and are susceptible to damage. The battery contacts and buttons could be damaged through rough handling.

A signal can also be interrupted by other transmitters or objects that operate on the same frequency. For instance, a light control panel near your home may send interference on the same frequency as key fobs utilize. This can interfere with the remote control of your car.

Problems with OBDII Scan Tool

There are many reasons why scanner tools may not work. Some are more complex than others.

Professional scan tools allow mechanics to examine the car's systems and run a range of self-tests. These are real time savers but they are also extremely expensive and are out of the range of most DIYers.

If your OBD2 scan tool won't power on, check the voltage at the terminals 16 (scantool power) and 4 (chassis earth). If these are OK it's possible that a fuse has blown. This is the most frequent reason for failures of the scanner. The easiest fix is to replace the fuse that has been blown.