Execute all brake control functions of ABS, ASR and ESP. For ASR and ESP data is exchanged with the control modules of the engine/transmission control via a CAN data bus. Influence the engine/transmission management in the event of a control. Incorporates the complete Brake Assist (BAS) control module function. The ESP control module also incorporates the necessary electronics and control logic for speed-sensitive power steering (SPS). Supplies other systems with the vehicle speed signal and wheel speed status signal (direct or via CAN).

Supplies the instrument cluster with the signals for the multifunction display (A1p13) for the following displays via CAN: "ESP EL. STAB. PROGRAM - FIND A WORKSHOP!", "BAS BRAKE ASSIST - FIND A WORKSHOP!", "RELEASE PARKING BRAKE!". Supplies the instrument cluster with the signal for the ABS MIL (A1e17) via CAN. Sends the stop lamp signal to the rear SAM control module to continue actuating the stop lamps or suppresses this when ESP control is active.