Its not that "modern" vehicles migrate to CAN. CAN was introduced in 1990 with the Mercedes S class. Since then everybody adopted CAN. At least with OBD-II, whi

Its not that "modern" vehicles migrate to CAN. CAN was introduced in 1990 with the Mercedes S class. Since then everybody adopted CAN. At least with OBD-II, which is mandatory in many countries around the world, every car has CAN these days. Since about 2000 modern cars have integrated further technologies beginning with LIN to replace simple IO wires in the doors and alike. At the higher end side we hade Byteflight, Flexray, TTP/C and now Automotive Ethernet based on BroadReach.