During the “Crisis on Infinite Earths” event, as the Anti-Monitor’s anti-matter wave swept across the universe, the Monitor gave Cisco his Vibe powers back… only for Cisco’s role in the crossover to be quite limited.
We’re only two episodes into The Flash season 6, and it’s already been an interesting and hard road without Cisco’s Vibe powers (especially for him, as he can’t vibe somewhere and he doesn’t own a car).
Throughout The Flash season 5, Cisco was faced with a dilemma: Create a cure for meta-human abilities and decide whether or not to use it on himself. After much consideration, Vibe was no more… but why?