This is generally the procedure to use VVDI2 to make a spare key for A6L / Q7/ EZS-Kessy (JB18).
. VVDI 2 -> Key Learn -> 4th Immobiliser System Audi -> A6L / Q7/ EZS-Kessy (JB18)
. Read note: Most cars before 2009 use 9S12DT128 chip and cars after 2009 use 9S12DT(G)256
. Choose appropriate chip above -> Read J518 EEPROM with Working Key -> Write down CS and Pin on a piece of paper -> Save EEPROM
. Type CS and Pin into VVDI 2 -> Type “2” for Number of keys to learn -> Insert 8E chip into VVDI 2 ->Select Make Dealer Key -> Select Key Learning
. Insert dealer key into car and switch on for 2 seconds. Then put second key into ignition within 5 seconds. Then press okay after keys are learned.