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fiat keys Panda Key Fob Replacement

fiat punto car key Panda keyfobs are equipped with a transponder, which sends an electronic signal from the fob to the car Key maker in order to unlock doors or turn on the motor. The fob could stop working due to a variety of reasons.

A dead coin battery is the most frequent reason for the malfunction of a key fob. Other reasons include water damage, malfunctioning receiver modules and signal interference.

Dead Coin Battery

Replace the battery if the key fob has failed. Choose a new button battery with identical in size, voltage and specification as the previous 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. A paper towel soaked with isopropyl alcohol or electronic cleaner can do the trick.

If the key fob has not been exposed to water but isn't working, there may be an issue with the receiver module or an internal electronic chip. Reprogramming the keyfob by using an OBDII scan may assist in these situations.

Water Damage

If your key fob took an immersion in the puddle or pool or walked down the wash machine, you might have some water damage. You can usually get it back to working by taking off the battery and then scrubbing the circuit board with isopropyl alcohol. It is a good idea to let the fob dry completely prior to installing a new battery.

It could be that you have a defective module in the event that your remote stops working after replacing the battery or reprogramming. There are instructions for reprograming the majority of remote keys on YouTube or consult the owner's manual. You can also reset the car's computer using the OBDII scanner tool.

Faulty Receiver Module

The key fob contains an electronic chip that communicates with the car's system. If the chip is damaged, it will be unable to longer send and receive signals to the vehicle. Dropping the key fob can cause this, as well as exposure to water. If the key fob stopped working after exposure to water, it is possible to fix the issue by cleaning the chip using isopropyl ethanol or electronic cleaner.

However, if the key fob still does not respond after cleaning it, it is likely that the receiver module is not functioning properly and needs to be replaced. A faulty receiver can also cause the key to stop working. This is typically caused by electromagnetic interference.

Electronic chip that is malfunctioning

The electronic chip that is in your key fob plays an important function in the anti-theft security system in your fiat car keys. It sends a signal to the immobiliser in your car to tell it if the key is valid. If the chip is damaged or broken, your vehicle will not start.

A faulty chip can also be caused by interference signals from objects such as weather conditions, objects or transmitters on the same frequency close to your car. In this case an upgrade to the fob will be required.

Contacts for the battery that are damaged

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

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

The key fob is equipped with an embedded chip that communicates to the immobilizer system of the vehicle in order to start it. The system utilizes the old red keys in older vehicles as well as the cryptocoding system used in modern vehicles. The chip must be replaced if damaged.

Problems with 12 Volt Batteries

A defective battery can cause the remote to stop working. If this happens the car's computer cannot recognize that the remote is inside the vehicle.

Before you replace the battery, test it with an voltmeter for determining its capacity. A fully charged battery should display 12.6 volts. If the reading falls significantly, it's time to replace it.

To test the battery's capacity, place an electrical load on it for a couple of minutes. This will take off approximately 1 percent of the surface charge. Then take another measurement of the voltage. The better the battery's capacity and the longer it can keep its voltage. It should be close to 12 volts several minutes.

Radio Signal Faulty Radio Signal

This is the most common cause of a key fob that stops sending signals to the car. This problem can be solved by replacing the battery. However, it is crucial to buy a new battery that has the same voltage and size as the original.

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

Other objects or transmitters using the same frequency could also disrupt a signal. A light-control panel at your home, for instance can interfere with key fobs using the same bandwidth. This could cause interference with the remote control in your car.

The tool is not working properly. OBDII scan tool

There are many reasons scanners don't perform. Some are more complicated than others.

Professional scan tools enable mechanics to observe the car's network and run various self-tests. These can be real time savers, but they can be expensive, and beyond the reach of most DIYers.

If your OBD2 scanner won't turn on Check the voltage on terminal 16 (scan tool power) and terminal 4 (chassis ground). If both are in good condition it could be that a fuse has been blown. This is the most typical cause of scan tool failure. It is often easy to fix the issue by replacing the fuse that was blown.