Prototype Electronic Stability Control units started appearing in the early 1990's. The concept had been around for almost twenty years before that. As new computer controlled systems became more feasible Bosch and others started to pitch them to the automotive industry. 2002 was the year that ESC started to become significantly available, not to say that it couldn't have been made available sooner. ESC is now required on all passenger cars sold in the US as of the 2012 model year, so there is no longer any question about if a vehicle should be equipped with ESC or not..