A drive unit for a drive for adjusting an adjusting element of a motor vehicle along a geometric drive axis, wherein the drive unit has a dynamic unit having a drive motor, a cable module having a motor circuit board as well as a drive unit housing for receiving at least the drive motor and the cable module, wherein the cable module for fixing the motor circuit board has a circuit board holder and a cable module cover, into which one or multiple cables for electrical connection to the drive motor and/or the motor circuit board are routed, and a first drive connection which is connected to the cable module cover, and a geometric cable module axis, wherein the dynamic unit is connected to the cable module in an axially fixed manner. It is proposed that the cable module can be designed as a pre-assembled functional unit.