Fiat Panda Key Fob Replacement Fiat Panda keyfobs are equipped with a transponder, which sends an indication from the fob to the car to unlock doors or turn on the motor However, the key fob may not function due to a variety of reasons A dead coin battery is the most common cause of malfunctioning keys Other causes include water damage an inoperative receiver module, and signal interference Dead Coin Battery Replace the battery in case your key fob has gone out of service Use a new button cell battery that is the same size, voltage and specifications as the original If the key fob was exposed to water, for example a splash of rain or salt water at the beach, it will need to be cleaned before it is able to be used again The trick is to use the paper towel and soak it in isopropyl or electronic cleaner If the key fob has not been exposed to water, but isn't working it could be due to a problem with the receiver module or an internal electronic chip In these situations it is possible to re-programme the key fob with an OBDII scanner could aid Water Damage You could have water damage if your key fob was submerged in a pool, puddle or washing machine It's generally possible to fix it by removing the batteries and cleaning the circuit board with ruby alcohol It is a good idea to let the fob dry completely before putting in a new battery If your key fob isn't working, even after replacing the battery and reprogramming it, you may have a malfunctioning receiver module You can find instructions for changing the programming of most remote keys on YouTube or in the owner's manual You can also reset your computer of your car using the OBDII scanner tool Faulty Receiver Module The key fob's chip is a chip that connects to the car's system This chip will stop sending and receiving signals to the car if damaged This can be caused by dropping the key fob, or by water exposure If your key fob isn't working due to water exposure, you may be able fix the issue if you clean the chip with electronic cleaner or isopropyl ethanol If the key fob does not respond following cleaning, it is likely that the module is faulty and must be replaced A faulty receiver can also cause the key to stop working This is typically caused by electromagnetic interference Faulty Electronic Chip The chip inside your key fob is a vital function in the anti-theft security system of your car It transmits a message to the immobiliser in your car to tell it that the key is valid If the chip is damaged or broken, your car won't start A malfunctioning chip could be caused by interference signals from other objects or weather conditions that are bad, or transmitters on the same frequency near your car In this scenario, a new fob will be required Contacts of the battery may be damaged The battery contacts inside the key fob are delicate and may be damaged when used for long periods of time If they're bent, or damaged, the fob will not transmit any signals to receiver modules in the vehicle Modern fobs are constructed with rubber seals to keep out water A splash of water or light rain is fine however, submerging them in saltwater may cause damage to the electronic chip The key fob is equipped with the chip that connects to the vehicle's immobilizer in order to activate it The system uses the old red keys in older vehicles, or the cryptocoding system that is used in modern vehicles This chip will have to be replaced if it's defective A faulty 12 Volt battery A malfunctioning battery could cause the key fob to function The car's system will not recognize the remote if this occurs Test the battery with an voltmeter prior to replacing it to determine its capacity A fully charged battery should read 126 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 test its capacity This will take away approximately 1 of the surface charge After that, take the voltage again The longer the battery can hold its voltage and the higher its capacity Ideal is that it stays close to 12 volts during several minutes The radio signal is not working properly Radio Signal This is the most common reason for the key fob not sending signals to a car The battery is able to be replaced to resolve this problem However, https//wwwg28carkeyscouk/fiat-car-key-replacements-near-me/ is crucial to purchase a battery that is the same size and voltage as the original one The buttons are not impervious to destruction and can be damaged by a lot Contacts on batteries and buttons can be damaged by rough handling Other transmitters or objects that use the same frequency may also disrupt a signal A light-control system in your home, for instance could interfere with key fobs that have the same frequency This can affect the remote control of your car Faulty OBDII scan tool There are many reasons why a scanner could not work Certain are more complicated than others Professional scan tools enable mechanics to look over the car's networks and run various self-tests These tools can help save time, but are expensive and not accessible to the majority of DIYers If your OBD2 scanner isn't turning on examine the voltage at terminal 16 scan tool power and terminal 4 chassis ground If all is fine the fuse could have failed This is one of the most common causes of failures in the scan tool It is typically easy to fix the problem by replacing the fuse that has blown