An Fiat 500 Keys Success Story You'll Never Believe Fiat Panda Key Fob Replacement

Fiat Panda key fobs contain a transponder chip that sends signals to your car to open the doors or start the engine. The fob can stop functioning for a variety.

The most frequent cause of key fob failure is a dead coin battery. Other causes include water damage or a damaged module and interference signals.


Dead Coin Battery

If the battery in your key fob is dead, the first thing to do is replace it. Use a brand new button battery that is exactly the same size, voltage, and specification like 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 being used again. A paper towel soaked in isopropyl alcohol or electronic cleaner will work wonders.

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. Reprogramming the keyfob using an OBDII scan can help in these instances.

Water Damage

If your key fob has taken submerged in a pool or puddle or even a trip down the wash machine, you might have some water damage. It is usually possible to repair it by taking out the batteries and cleaning the circuit board with ruby alcohol. It is best to let the board completely dry before putting in batteries.

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

Faulty Receiver Module

The key fob contains an electronic chip that communicates with the vehicle's system. This chip will stop sending and receiving signals to the car when it is damaged. The key fob being dropped can result in this, as can water exposure. If the key fob stops working after water exposure it could be possible to fix it by cleaning the chip with isopropyl alcohol or electronic cleaner.

However, if the key fob is still unable to not respond following cleaning, you can be sure that the module is defective and will need to be replaced. A malfunctioning receiver module could also cause the remote control key to stop functioning. This is usually caused by electromagnetic interference.

Electronic chip that is malfunctioning

The electronic chip that is in your key fob is a vital role in the anti-theft security system of your car. It sends a signal to the immobiliser unit in your vehicle to tell it whether or not the key is genuine. The car won't start in the event that the chip is damaged.

A malfunctioning chip can be caused by interference from objects, bad weather or transmitters close to your vehicle. In this case, you will need an entirely new key fob.

Contacts to the battery are not working properly.

The battery contacts in the key fob are delicate and may be damaged by repeated use. If they're bent or broken, the fob won't send any signals to receiver modules inside the vehicle.

Modern fobs feature rubber seals to keep out water. A splash of water or a light rain is fine However, submerging them in salt water could cause damage to the electronic chip.

The key fob contains a chip which communicates with the immobilizer system of the vehicle, allowing it to start it. The system uses the red keys of older vehicles as well as the crypto coding system in modern vehicles. This chip will have to be replaced if it's damaged.

Faulty 12 Volt Batterie

A faulty battery can cause the key fob to stop working. When this happens the car's computer will not be able to recognize that the remote is in the vehicle.

Test the battery using the voltmeter before replacing it to determine its capacity. A fully charged battery should display 12.6 volts. If the reading drops significantly then it's time to replace the battery.

Install fiat car keys for a few seconds on the battery to gauge its capacity. This will take off about 1% of the charge on the surface. After that, take the voltage again. The greater the battery's capacity is, the longer it will keep its voltage. Ideally, it should remain close to 12 volts for several minutes.

Faulty Radio Signal

This is the most frequent reason for a key fob to stop sending signals to cars. The battery can be replaced to solve this problem. It is crucial to buy a battery that has the same voltage and dimensions as the original.

Fobs endure a lot of punishment, and aren't indestructible. The battery contacts and buttons are delicate and are susceptible to being bent or broken by excessive use.

Other transmitters or objects using the same frequency can also interfere with the signal. For instance, a light-control panel in your home could send interference over the same frequency that key fobs use. This could affect the remote control of your car.

Afflicted OBDII Scan Tool

There are a number of reasons why a scanner could not function. Some are more complex than others.

Professional scan tools allow mechanics to examine the car's systems and conduct a variety self-tests. They can be huge time savers, however they can be expensive, out of the budget of many DIYers.

If your OBD2 scanner won't start make sure you check the voltage at terminal 16 (scan tool power) and terminal 4 (chassis ground). If all is fine the fuse could have failed. This is the most common reason for a scan tool to fail. It is usually easy to fix the issue by replacing the fuse that has blown.