As reported in this Wall Street Journal article and seemingly verified by the Chinese representative, yes I’m pretty sure.
I read this several days ago.
“The two presidents instructed their economic teams to work toward the direction for removing all tariffs for win-win outcomes and mutual benefit,” Geng Shuang said, describing the outcome of weekend talks between Mr. Trump and Chinese President Xi Jinping at the G-20 Summit in Buenos
https://www.wsj.com/articles/trump-china-to-reduce-and-remove-tariffs-on-american-cars-1543811957
But since that's been reported we have:
"But the White House has now backpedaled, acknowledging there was no deal in place to roll back automotive tariffs. Trump himself on Tuesday tweeted there "probably will" be a trade deal to follow the dinner meeting..."
Never count your Chinese promises until they're fulfilled (Confucius say).