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https://www.g28carkeys.co.uk/fiat-car-key-replacements-near-me/
fiat 500 spare key cost uk are equipped with a transponder which transmits an indication from the fob to the car in order to unlock doors or start the motor However the key fob may stop working due to a variety of causes The most common cause of key fob malfunction is the battery of the coin is dead Other causes are water damage malfunctioning receiver modules and signal interference Dead Coin Battery If your key fobs battery has died the first step is to replace it Use a new button cell battery that has the same size voltage and specifications like 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 in alcohol or electronic cleaner will help If the key fob hasnt been exposed to water but still does not work it could be a problem with the receiver module or an internal electronic chip In these situations you can reprogramme the key fob using an OBDII scanner can help Water Damage It is possible to get water damage to your key fob if it was submerged in a puddle pool or washing machine It is usually possible to be able to get it back up and running by taking the battery off and cleaning the circuit board with isopropyl alcohol It is best to let the circuit board completely dry before putting in a battery You may have a faulty module when your key fob ceases working after replacing the battery or reprogramming You can find reprogramming procedures for all vehicles remote key fobs on YouTube or in the owners manual You can also reset your computer of your vehicle using the OBDII scanner tool Faulty Receiver Module The key fob has the chip that communicates with the cars system If this chip becomes damaged it can no longer be able to send or receive signals to the vehicle Dropping the key fob could cause this as well as water exposure If the key fob has stopped working after exposure to water it could be possible to repair the issue by cleaning or cleaning the chip using isopropyl alcohol or an electronic cleaner If the key fob doesnt respond to cleaning it is possible that the component has a fault and needs to be replaced A defective receiver can cause the key to not work This is usually caused by electromagnetic interference A defective electronic chip The electronic chip that is in your key fob plays a vital role in the antitheft system in your car It sends a signal to the immobiliser inside your car to tell it whether the key is legitimate Your car will not start if the chip is damaged A damaged chip could be caused by interference signals from other objects or weather conditions that are bad or transmitters on the same frequency near your vehicle In this situation you will need a new key fob Contacts to the battery are not working properly The battery contacts on a key fob can be damaged by excessive usage If they are bent or broken the fob wont transmit any signals to receiver modules inside the vehicle Modern fobs are designed with rubber seals in order to keep out water A splash of water or a light rain is acceptable however submerging them in saltwater may damage the electronic chip The key fob is equipped with chips that communicate with the vehicles immobilizer system to activate it This system utilizes cryptocoding systems in newer vehicles as well as the traditional red key system for older models This chip will need to be changed if it is malfunctioning Problematic 12 Volt Battery A faulty battery may cause the key fob not to work When this happens the cars computer system cannot recognize that the remote is inside the vehicle Test the battery with an voltmeter prior to replacing it to determine its capacity A fully charged battery should display 126 volts If the reading falls significantly the time is now to replace it To test the batterys power test the batterys capacity by placing an electrical load on it for a few minutes This will remove 1percent of the surface charges Then measure the voltage again The longer the battery can hold its voltage and the higher its capacity Ideally it will remain close to 12 volts for several minutes Problems with Radio Signal This is the most common reason behind a key fob that ceases to send signals to the car The battery is able to be replaced to resolve this issue It is crucial to buy an identical battery voltage and dimensions as the original Fobs take a lot of abuse but theyre also not indestructible Battery contacts and buttons can be damaged by rough handling Other transmitters or objects operating on the same frequency can interfere with the signal A lightcontrol panel at your home for example could interfere with key fobs which use the same frequency This can interfere with your cars remote control The tool is not working properly OBDII scan tool There are a variety of reasons why scanners may not function Some are more complicated than others Professional scan tools enable mechanics to monitor the cars network and run various selftests These can be real time savers but theyre also expensive out of the reach of most DIYers If your OBD2 scanner wont start make sure you check the voltage at terminal 16 scan tool power and terminal 4 chassis ground If these are both present its likely that a fuse has been blown This is one of the most common causes of failures in the scan tool The easiest fix is to replace the fuse that is blowing up