CHECK CONTROL MESSAGES FOR BRAKE SUSPENSION AND AIR BAG SYSTEM MALFUNCTION: Multiple check control messages (CCM) can display for brake suspension and air bag system malfunction. The customer may also complain about any of the following: Engine can no longer be switched off Drive position (D) cannot be engaged on the gear selector switch (GWS) Reduction of steering assist After an engine emergency shut-off (either a prolonged long press; or 3 consecutive short presses of the Start/Stop button) and the vehicle going to sleep (identifiable by the lighting of the "Start/Stop button") everything resumes normal functionality and the CCM messages no longer appear. When performing a vehicle test the following diagnostic fault codes are stored in the BDC: CD0420 - "error of Flexray controller on Flexray bus" D91FF9 - "Flexray message data drivetrain 2 (DT_PT_2): Timeout" This message may be read out in the ZGM control unit or Body Domain Controller CAUSE Software in the Body Domain Control unit (BDC).
CHECK CONTROL MESSAGES FOR BRAKE SUSPENSION AND AIR BAG SYSTEM MALFUNCTION: Multiple check control messages (CCM) can display for brake suspension and air bag system malfunction. The customer may also complain about any of the following: Engine can no longer be switched off Drive position (D) cannot be engaged on the gear selector switch (GWS) Reduction of steering assist After an engine emergency shut-off (either a prolonged long press; or 3 consecutive short presses of the Start/Stop button) and the vehicle going to sleep (identifiable by the lighting of the "Start/Stop button") everything resumes normal functionality and the CCM messages no longer appear. When performing a vehicle test the following diagnostic fault codes are stored in the BDC: CD0420 - "error of Flexray controller on Flexray bus" D91FF9 - "Flexray message data drivetrain 2 (DT_PT_2): Timeout" This message may be read out in the ZGM control unit or Body Domain Controller CAUSE Software in the Body Domain Control unit (BDC).
