The Bundesliga strugglers have confirmed that their Under-23s coach, Kohfeldt, will stay at the helm for the next six matches until the winter break after he stepped in when Alexander Nouri was sacked at the end of October.
And Johannsson was quick to hail the news as he looks to work his way back into the side having managed just three minutes of football in Werder's current campaign.
The 27-year-old United States international staked a claim to be involved in Kohfeldt's plans going forward after impressing as a substitute in the 2-2 friendly draw against Heerenveen on Thursday.
Johannsson said: "Everything starts from zero for me now; this is a fresh start."
Kohfeldt also spoke out to give the player some encouragement that he might feature as Werder Bremen look for a first Bundesliga win of the season at the 12th attempt when they host Hannover next weekend.
He added: "Aron showed me out there what he has been showing me since I arrived here: that he is very committed.
"He was involved in some very good moments during the match, and although he did make a few mistakes, it was clear to see he wants to take his chance."