M2 - DRIVETRAIN MALFUNCTION CCM IS DISPLAYED. Drivetrain Malfunction Check Control Message is displayed Engine power is reduced Faults stored in DME fault memory: o 0x120208 - Charging pressure control plausibility: pressure too high o 0x120408 - Charging pressure control: Switching off Turbocharging pressure control is erroneously switched off due to an overly sensitive diagnostic threshold in the DME software.