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https://www.thekeylab.co.uk/fiat-car-keys/
Fiat Panda Key Fob Replacement Fiat Panda keyfobs are equipped with a transponder that sends a signal from the fob to the car that allows it to unlock doors or start the motor The fob could stop working for a variety of reasons A dead battery for the coin is the most frequent reason for malfunctioning keys Other causes are water damage as well as a defective module and interference signals Dead Coin Battery If your key fobs battery has died the first step is to replace it Use a brand new button battery with exactly the same size voltage and specification as the previous one If the key fob was 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 A paper towel that has been soaked in isopropyl alcohol or electronic cleaner can be the solution If the key fob hasnt 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 with an OBDII scan could help in these cases Water Damage If your key fobs battery has taken immersed in a puddle or pool or taken a trip down the washing machine it could have some water damage Its generally possible to get it back in working order by taking the batteries off and cleaning the circuit board using rubbing alcohol It is a good idea to allow the fob to dry completely before putting in a new battery If your key fob stopped working even after replacing the battery and changing the program you could have a problem with the receiver module Reprogramming instructions are available for most remote key fobs on YouTube or in the owners guide You can also reset the computer of your vehicle using the OBDII scanner tool Faulty Receiver Module The key fob has a chip that connects to the cars system This chip will stop sending and receiving signals to the car if it becomes damaged A key fob falling off can result in this as can exposure to water If your key fob stopped working due to water exposure it is possible to fix it if clean the chip using electronic cleaner or isopropyl alcohol If the key fob doesnt respond to cleaning its possible that the receiver module has an issue and must be replaced A damaged receiver module may also cause the remote control key to stop functioning This is often caused by electromagnetic interference Faulty Electronic Chip The electronic chip in your key fob is an essential part of the antitheft system in your vehicle It sends out a signal the immobiliser unit inside the vehicle to determine whether or not the key is legitimate If the chip is damaged or broken your car will not start replacement fiat key can be caused by interference from objects bad weather or transmitters in the vicinity of your vehicle In this situation it is likely that a new fob would be needed Contacts for the battery that are defective The battery contacts inside the key fob are fragile and are susceptible to damage with hard usage If theyre damaged or bent the key fob wont send any signals to the receiver modules in the car Modern fobs are equipped with rubber seals that keep out water Submerging them in water even if its only an occasional drizzle or splash can harm the chips electronic components The key fob contains a chip which communicates with the immobilizer system of the vehicle to begin it This system makes use of cryptocoding systems in the latest vehicles or the old red key system in older ones If the chip is defective and needs to be replaced A faulty 12 Volt battery A defective battery can cause the key fob to cease working The cars system will not recognize the remote when this occurs Before you replace the battery you should test it with a a voltmeter to determine its capacity A fully charged battery should read 126 volts If the reading falls significantly its time to change it Set an electrical load for a short period of time on the battery to gauge its capacity This will eliminate approximately 1 percent of the surface charge After that take the voltage once more The longer the battery is able to hold its voltage greater is its capacity Ideal is that it stays close to 12 volts over several minutes Problems with Radio Signal This is the most frequent reason for the key fob not sending signals to vehicles The battery can be replaced to solve this problem But it is essential to choose a battery that has the same size and voltage as the original one Fobs arent indestructible and can take a lot Contacts on batteries and buttons can be damaged by rough handling Other transmitters or objects that use the same frequency can also interfere with a signal A light control panel in your home for example could interfere with key fobs that use the same frequency This could interfere with the remote control of your car The tool is not working properly OBDII scan tool There are a variety of reasons why scanners dont perform Some are more complex than others Professional scan tools let mechanics to monitor the cars network and run various selftests These can be real time savers but they can be expensive and out of the range of most DIYers If your OBD2 scanner doesnt work examine the voltage at terminal 16 scan tool power and terminal 4 chassis ground If all is fine it could be that a fuse has failed This is the most frequent reason for a scan tool to fail It is often simple to fix the issue by replacing the fuse that has blown