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Fiat Bravo key fiat panda key Key Fob Replacement

fiat key fob programming Panda keyfobs are equipped with a transponder that sends a signal from the fob to the car to open doors or start the motor. However, the fob may stop working for several reasons.

The most commonly cited reason for key fob failure is an inoperable coin battery. Other causes include water damage a faulty receiver module and signal interference.

Dead Coin Battery

If the battery in your key fob has failed, the initial step is to replace it. Make use of a new button battery that has identical in size, voltage and specification as the original.

If the key fob was exposed to water (such as saltwater or rain at the beach) It must be cleaned before being used again. A paper towel soaked in alcohol or electronic cleaner will be the solution.

If the key fob isn't working despite being not exposed to water, it could be due a malfunction in the receiver module, or even in the internal electronic chip. Reprogramming the keyfob through an OBDII scan could help in these cases.

Water Damage

It is possible to get water damage to your key fob if it was submerged in a pool, puddle or washing machine. It's possible to fix it by getting rid of the batteries and cleaning the circuit board with rubbing alcohol. It's best to let the fob dry completely before putting in a new battery.

You could have a damaged module in the event that your key fob stops working after replacing the battery or replacing it with. You can find instructions for reprograming the majority of remote keys on YouTube or consult your owner's manual. You can also try resetting the car's computer onboard using the OBDII scan tool.

Faulty Receiver Module

The key fob is equipped with a chip that connects to the car's system. If this chip becomes damaged, it can no longer transmit and receive signals to the vehicle. Dropping the key fob can cause this, as well as exposure to water. If your key fob stopped working due to water exposure and you are unable fix the issue if you clean the chip using electronic cleaner or isopropyl ethanol.

If the key fob continues to not respond after cleaning it, then it is likely that the component is damaged and needs to be replaced. A damaged receiver module may also cause the remote control key to not function. This is usually caused by electromagnetic interference.

A defective electronic chip

The electronic chip in your key fob plays a crucial function in the anti-theft security system in your car. It sends a signal the immobiliser device in the vehicle to determine whether or not 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 situation you'll require a new key fob.

Contacts for the battery that are damaged

The battery contacts of a key fob are very delicate and can get damaged with hard usage. If they are bent, or damaged, the fob will not send any signals to receiver modules inside the vehicle.

Modern fobs are equipped with rubber seals to keep out water. A splash of water or light rain is acceptable, but submerging them in saltwater could damage 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 fiat keys of older vehicles or the cryptocoding system used in newer cars. This chip will need to be replaced if defective.

Faulty 12 Volt Batterie

A damaged battery can cause the remote to cease to function. If this happens the car's computer cannot recognize that the remote is inside the vehicle.

Test the battery using a 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 it.

Put an electrical load for a short period of time on the battery to test its capacity. This will eliminate approximately 1 percent of the charge on the surface. Then, you can measure the voltage once more. The longer the battery can keep its voltage steady, the better its capacity. It should be close to 12 volts for several minutes.

The radio signal is not working properly. Radio Signal

This is the most frequent reason for the key fob not sending signals to the car. The battery can be replaced to fix this issue. But, it is essential to buy a new battery with the same voltage and size as the original.

Fobs can take a lot punishment, and aren't indestructible. Battery contacts and buttons can be damaged by rough handling.

A signal can also be interrupted by other objects or transmitters that operate on the same frequency. A light-control system in your home, for example can interfere with key fobs which use the same frequency. This can interfere with your car's remote control.

Faulty OBDII Scan Tool

There are many reasons why a scan tool could not function. Some are more complicated than others.

Professional scan tools let mechanics to look over the lost car keys fiat's networks and run various self-tests. These are real time savers, however they are also extremely expensive, and beyond the budget of many DIYers.

If your OBD2 scan tool won't power on, check voltage at terminals 16 (scantool power) and 4 (chassis earth). If they are all OK there is a chance that a fuse has failed. This is the main reason for failure of the scan tool. It is typically simple to fix the issue by replacing the blown fuse.