Bellingham is nursing a knee injury and has not trained since last week's 5-2 win over Borussia Monchengladbach.
"He could not train since that game and we have to wait and see because he is still feeling some pain," Terzic told a press conference.
"There is a big question mark for Sunday. Without any team training it is not really possible (to play)."
Dortmund are in second place on 67 points with two games remaining.
Terzic said whether England international Bellingham was fit or not his team had only one goal on Sunday.
"We could not win the last four away games," he said. "There are reasons for that but we know that if we want to reach our goal at the end of the season then we need six points and the three at Augsburg on Sunday are part of those."
Dortmund will also be hoping Bayern, who host third-placed RB Leipzig on Saturday and will go provisionally four points clear with a win, slip up on the last matchdays.
As far as Terzic is concerned there is no talk of any party plans in case of a title win. Dortmund's last league crown dates back to 2012 and they have been runners-up six times since.
"I have not spent a single thought on the day after the season because we want to have the focus only on what is in front of us. That's the highest priority.
"It has been a long time since we were in this position on the 32nd matchday so I am happy, happy driving through Dortmund and seeing boys and girls wear the club shirt."
