Wasn't it banned much earlier? Famously in 94 Senna was under pressure in the Williams which was suffering without the traction control it enjoyed the year befo

Wasn't it banned much earlier? Famously in 94 Senna was under pressure in the Williams which was suffering without the traction control it enjoyed the year before, and he also had raised suspicions after standing trackside that Benetton were using an illegal form of traction control that year.