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How To Get More Results From Your Fiat 500 Keys
Fiat Panda Key Fob Replacement

Fiat Panda keyfobs are equipped with a transponder, which sends signals from the fob to the car in order to unlock doors or start the motor. The fob can stop functioning for a variety of reasons.

A dead battery for the coin is the most common cause of key fob malfunctions. Other reasons include water damage, an inoperative receiver module, and signal interference.

Dead Coin Battery

If your key fob battery has died, the first thing to do is replace it. Use a new button cell battery that is the same voltage, size, and specification as the previous one.

If the key fob has been exposed to water, like a splash of rain or salt water on the beach, it will have to be cleaned before it is able to be used again. A paper towel soaked with isopropyl alcohol or electronic cleaner will work wonders.

If the key fob has not been exposed to water but it is still not working, there may be an issue with the receiver module or an internal electronic chip. Reprogramming the keyfob using an OBDII scan can aid in these situations.

Water Damage

If your key fob took a bath in the pool or puddle, or taken a trip to the washing machine, you may have some water damage. It's usually possible to get it back in working order by getting rid of the batteries and cleaning the circuit board with ruby alcohol. It is recommended to let the fob completely dry before putting in a battery.

If your key fob has stopped working even after replacing the battery and programming it again, you might have a faulty receiver module. You can find information on the reprogramming of most remote keys on YouTube or consult the owner's manual. You can also reset the computer in your car with the OBDII scanner tool.

Faulty Receiver Module

The key fob contains the chip that communicates with the vehicle's system. If the chip is damaged, it will no longer transmit or receive signals to the vehicle. This could be due to dropping the key fob or by exposure to water. If your key fob isn't working due to exposure to water, you may be able fix the issue if you clean the chip using electronic cleaner or isopropyl alcohol.

However, if fiat 500 key is still unable to not respond even after cleaning it it is likely that the receiver module is not functioning properly and needs to be replaced. A faulty receiver module can also cause the remote control key to not function. This usually happens due to electromagnetic interference.

A malfunctioning electronic chip

The chip that is embedded in your key fob is an important element of the anti-theft device in your vehicle. It sends out a signal the immobiliser device in your car to determine whether the key is in fact valid. If the chip is damaged or damaged, your car won't start.

A defective chip could be caused by interference from other objects, weather conditions or transmitters near your vehicle. In this instance you'll require a new key fob.

Faulty battery contacts

The battery contacts of the key fob could be damaged by heavy usage. If they're bent, or damaged, the fob will not send any signals to the receiver modules in the vehicle.

Modern fobs feature rubber seals that block out water. A splash of water or a light rain is acceptable, but submerging them in salt water could harm the chip's electronic components.

The key fob has an electronic chip that communicates with the immobilizer system of the vehicle, allowing it to start it. It uses the old red keys for older vehicles as well as the cryptocoding system used in modern vehicles. This chip will have to be replaced if malfunctioning.

Faulty 12 Volt Batterie

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

Test the battery using the help of a voltmeter to determine its capacity. A fully charged battery should display 12.6 volts. If the reading drops dramatically, it's time to replace it.

To test a battery's capacity put an electrical load on it for a couple of minutes. This will remove 1percent of the surface charges. Then, test the voltage once more. The longer a battery can hold its voltage more effectively, the greater its capacity. Ideally, it should remain close to 12 volts for several minutes.

Faulty Radio Signal

This is the most common reason for keys not sending signals to cars. The battery is able to be replaced to resolve this problem. It is important to buy a battery that has the same voltage and dimensions as the original.

Fobs endure a lot of abuse, but they're also not impervious to destruction. The battery buttons and contacts are brittle and are susceptible to being bent or damaged by the force of.

The signal could also be impacted by other objects or transmitters that operate on the same frequency. A light-control panel at your home, for example can interfere with key fobs that have the same bandwidth. This could interfere with your car's remote control.

Afflicted OBDII scan tool

There are many reasons scanners don't work. Certain are more complicated than others.

Professional scan tools allow a mechanic to observe the car's networks and run a variety of self-tests. They can be huge time savers, however they are also extremely expensive, out of the budget of many DIYers.


If your OBD2 scanner isn't turning on make sure you check the voltage at terminal 16 (scan tool power) and terminal 4 (chassis ground). If these are both present, it's likely that a fuse has blown. This is the most frequent reason for failure of the scan tool. It is usually simple to fix the issue by replacing the fuse that was blown.