Australian Car Repair Issues? Ask an Auto Mechanic for Answers ASAP
Hi Im David, thanks for visiting the site. you will need a replacement from a dealer that can program it to your cars VIN. Today’s automotive transponder system consists of the electronic chip key, the antenna ring (induction coil) around your ignition, your car’s computer (ECM - Engine Control Module), and the immobilizer. Once a programmed key is inserted into the ignition lock cylinder and turned to the ON position, the antenna ring sends out a burst of energy through radio frequency. The transponder chip will absorb that energy and send back a radio frequency signal, the identification code, to the antenna ring. The antenna ring sends that ID code to the car’s computer. If the ID code from the key matches the ID code in the computer’s memory, the immobilizer is disabled and the vehicle will start. The car’s security light will go out once the key has been recognized. If the security light blinks, that means the car’s computer isn’t recognizing the ID code from the chip key and the car won’t start.
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