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Fiat Panda Key Fob Replacement
Fiat Panda keyfobs are equipped with a transponder which transmits an indication from the fob to the car to open doors or turn on the motor. However, the key fob may be inoperable due to various reasons.
The most commonly cited reason for key fob failure is a dead coin battery. Other causes include water damage an inoperative receiver module and signal interference.
Dead Coin Battery
Replace the battery if your key fob is dead. Use a new button cell battery that is the same size, voltage, and specification as the previous one.
If the key fob was exposed to water (such as rain or saltwater at the beach), it must be cleaned prior to using it again. A paper towel that has been soaked in isopropyl alcohol or electronic cleaner will be the solution.
If the key fob hasn't been exposed to water, but remains inoperable it could be a problem with the receiver module or an internal electronic chip. Reprogramming the keyfob by using an OBDII scan could assist in these situations.
Water Damage
You might have water damage to your key fob if it was submerged in a pool, puddle or washing machine. You can usually get it back to working by getting rid of the battery and scrubbing the circuit board with isopropyl alcohol. It's best to allow the device to completely dry prior to installing batteries.
If your key fob stopped working even after replacing the battery and changing the program, you could have a defective receiver module. There are reprogramming guidelines for most remote key fobs on YouTube or in the owner's manual. You can also try resetting the car's onboard computer with the OBDII scan tool.
Faulty Receiver Module
The key fob's chip is a chip which communicates with the vehicle's system. The chip will stop sending and receiving signals to the car if it becomes damaged. A key fob falling off can cause this, as could water exposure. If the key fob has stopped functioning after exposure to water, it may be possible to fix the issue by cleaning the chip with isopropyl alcohol, or electronic cleaner.
If the key fob won't respond to cleaning, it is possible that the receiver module has a fault and needs to be replaced. A malfunctioning receiver could cause the key to stop working. This is often caused by electromagnetic interference.
Faulty Electronic Chip
The electronic chip inside the key fob is a vital component of the anti-theft system in your car. It transmits a message to the immobiliser in your car that tells it whether the key is legitimate. If the chip is damaged or broken, your vehicle will not start.
A defective chip could be caused by interference caused by objects, bad weather or transmitters near your vehicle. In this case you'll need an entirely new key fob.
Faulty Battery Contacts
The battery contacts on the key fob could be damaged by heavy usage. If they're bent, or broken, the fob won't transmit any signals to receiver modules inside the vehicle.
Modern fobs have rubber seals that block out water. A splash of water or a light rain should be fine however, submerging them in salt water could harm the electronic chip.
fiat replacement key fob comes with an electronic chip that communicates with the immobilizer system of the vehicle to begin it. It uses the red keys of older vehicles, or the crypto coding system in newer cars. This chip will have to be changed if it is defective.
Problems with 12 Volt Batteries
A malfunctioning battery could cause the key fob to cease working. The car's system will not recognize the remote when this happens.
Before you replace the battery, test it using a an voltmeter to gauge its capacity. A fully charged battery should read 12.6 volts. If the reading decreases significantly it is time to replace the battery.
Set an electrical load for a few moments on the battery to test its capacity. This will remove one percent of the surface charges. Then, measure the voltage again. The greater the battery's capacity and the longer it can keep its voltage. Ideal is that it stays at or near 12 volts for several minutes.
The radio signal is not working properly. Radio Signal
This is the most frequent reason for a key fob to stop sending signals to a car. The battery is able to be replaced to resolve this issue. But, it is essential to purchase a battery with the same voltage and size as the original.
Fobs aren't indestructible and can take a lot. Contacts on batteries and buttons can be damaged through rough handling.
A signal can also be impacted by other transmitters or objects that use the same frequency. For instance, a light-control panel near your home may send interference on the same frequency that key fobs use. This can interfere with the remote control in your car.
The tool is not working properly. OBDII scan tool
There are a variety of reasons why a scanner tool may not perform. Certain are more complicated than others.
Professional scan tools allow a mechanic to examine the car's systems and run a variety of self-tests. These tools can save you a lot of time, but they're expensive and are out of reach for most DIYers.
If your OBD2 scan tool won't power on, make sure you check the voltage at terminals 16 (scantool power) and 4 (chassis earth). If they're all fine the fuse could have blown. This is among the most frequent causes of failures in the scan tool. It is usually easy to fix the issue by replacing the blown fuse.
