Diagnostic Overview
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.
One part of the Sequential Gearbox is running in the engine control unit. For the Communication between the SMG and the ECU a CAN is used. To avoid critical situations, several checks are running on the ECU.