You've Forgotten Fiat 500 Keys: 10 Reasons That You No Longer Need It

fiat punto remote key replacement Panda Key Fob replacement key for fiat ducato van

reprogram fiat 500 key fob Panda keyfobs are equipped with a transponder which transmits an electronic signal from the fob to the car to open doors or turn on the motor. The fob could stop working due to a variety reasons.

A dead coin battery is the most common cause of the malfunction of a key fob. Other causes include water damages as well as a defective module and interference signals.

Dead Coin Battery

If your key fob's battery has died, the first step is to replace it. Choose a button battery that has the same voltage, size and specifications as your previous one.

If the key fob has been exposed to water, like a splash of rain or salt water at the beach, it will need to be cleaned before it can be used again. The trick is to use a paper towel soaked with isopropyl or an electronic cleaner.

If the key fob hasn't been exposed to water, but isn't working, there may be an issue with the receiver module or an internal electronic chip. In these cases it is possible to re-programme the key fob using an OBDII scanner might aid.

Water Damage

If your key fob has taken immersed in a pool or puddle or gone down the wash machine, you may have some water damage. It is usually possible to repair it by getting rid of the batteries and cleaning the circuit board with ruby alcohol. It's best to allow the fob to dry completely before putting in a brand new battery.

You could have a damaged module when your key fob ceases working after replacing the battery or updating. You can find reprogramming procedures for most remote key fobs on YouTube or in your owner's guide. You can also reset your computer of your car using the OBDII scanner tool.

Faulty Receiver Module

The key fob's chip is the chip that communicates the vehicle's system. If this chip becomes damaged, it will no longer transmit or receive signals to the vehicle. This could be due to dropping the key fob, or due to exposure to water. If the key fob has stopped working after exposure to water, it is possible to repair it by cleaning the chip with isopropyl alcohol or electronic cleaner.

However, if the key fob continues to not respond after cleaning it, then it is likely that the receiver module is not functioning properly and must be replaced. A malfunctioning receiver could cause the key to cease to function. This is typically caused by electromagnetic interference.

Faulty Electronic Chip

The electronic chip in your key fob is an essential part of the anti-theft system in your fiat car keys replacement. It transmits a signal to the immobiliser unit inside your car to inform it whether the key is genuine. If the chip is damaged or broken, your vehicle won't start.

A defective chip could be caused by interference from other objects, weather conditions or transmitters close to your vehicle. In this situation you'll need an entirely new key fob.

Contacts for the battery that are defective

The battery contacts inside the key fob are delicate and could be damaged through repeated use. If they are bent, or damaged, the fob will not send any signals to receiver modules in the vehicle.

Modern fobs come with rubber seals to keep out water. Submerging them in water even if it's only small splash or drizzle, can damage the electronic chip.

The key fob has an electronic chip that communicates with the vehicle's immobilizer in order to allow it to start. This system uses crypto coding systems in newer vehicles or the red key system for older models. This chip will have to be replaced if damaged.

The 12 Volt Battery is faulty

A faulty battery may cause the key fob not to function. The car's computer will not recognize the remote when this occurs.

Test the battery with the voltmeter before replacing it to determine its capacity. A fully charged battery should read 12.6 volts. If the reading falls dramatically it is time to replace the battery.

Set an electrical load for a few moments on the battery to check its capacity. This will take away one percent of the surface charges. Then, measure the voltage once more. The longer a battery can keep its voltage steady and the higher its capacity. The ideal is to keep it close to 12 volts over several minutes.

Faulty Radio Signal

This is the most common reason for a keyfob that stops sending signals to the car. This problem can be solved by replacing the battery. It is crucial to buy a battery with the same dimensions and voltage as the original.

Fobs aren't indestructible and can withstand a lot. Contacts and buttons on batteries can be damaged by rough handling.

A signal may also be interrupted by other transmitters or objects that operate on the same frequency. For instance, a lighting control panel in your home could send interference over the same bandwidth that key fobs utilize. This can affect the remote control of your spare Car key Fiat 500.

The tool is not working properly. OBDII scan tool

There are a number of reasons why a scan tool may not work. Some are more complex than others.

Professional scan tools let mechanics to observe the fiat punto car key's network and perform various self-tests. These tools can save time, but are costly and out of reach for the majority of DIYers.

If your OBD2 scan tool won't power on, test the voltage at terminals 16 (scantool power) and 4 (chassis earth). If both are in good condition it could be that a fuse has failed. This is the most common cause of scan tool failure. The most straightforward fix is to replace the blown fuse.