He sent out a warning to his players, in particular striker Bas Dost, that their current standing of 15th does not guarantee that they are safe.
"At half-time in the 1-1 draw against Augsburg some were clearly not listening," Bild quotes Hecking as saying. "A couple of the players were doing their own thing.
"How are you going to bring [Dost] into play after winning the ball when he is 60 feet away?"
Wolfsburg are seven points clear of 16th-placed Hoffenheim.