Technical Service Bulletin # 653909
Audio No Audio For Various Systems/DTC B7F491
SI B65 39 09
Audio, Navigation, Monitors, Alarms, SRS
September 2010
Technical Service
This Service Information bulletin supersedes SI B65 39 09 dated August 2010.
Date: 1009012010 BMW 750Li (F02) V84.4L Turbo (N63)
Page 376
[NEW] designates changes to this revision
SUBJECT
No Audio Output in All Modes
MODEL
F01, F02* (7 Series) from 08/01/2009 to 12/31/2009
F07* (5 Series Gran Turismo) from SOP to 12/31/2009
E70* (X5) from 08/01/12009 to 12/31/2009
E71* (X6) from 08/01/2009 to 12/31/2009
E72* (ActiveHybrid X6) from 08/01/2009 to 12/31/2009
*With option 677 (HiFi System Professional)
SITUATION
On the abovementioned cars, there is no audible output for the following systems:
^ Audio sound system (radio, CD/DVD, AUXIn, USB, etc.)
^ Warning gongs
^ Park Distance Control
^ Navigation system
^ Speech Recognition System
^ Rear Seat Entertainment System
^ Handsfree phone calls (SOS call is not affected)
CAUSE
Software and/or hardware error in the top HiFi amplifier
In the case of a software error, fault code B7F491 (Internal control unit error) is stored in the AMPT07 (amplifier).
PROCEDURE
^ Perform a vehicle test and check whether fault code B7F491 is stored in the amplifier.
^ When no fault code is stored in the amplifier, refer to Attachment_A.
^ If fault code B7F491 is stored in the amplifier, delete the fault code entry and reprogram the vehicle using ISTA/P 2.37.0 or later.
Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.
For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service / Workshop Technology /
Vehicle Programming.
PARTS INFORMATION2010 BMW 750Li (F02) V84.4L Turbo (N63)
WARRANTY INFORMATION
ATTACHMENT
Page 3772010 BMW 750Li (F02) V84.4L Turbo (N63)
Page 378
View B653309 Procedure
Audio No Audio For Various Systems/DTC B7F491
SI B65 39 09
Audio, Navigation, Monitors, Alarms, SRS
September 2010
Technical Service
This Service Information bulletin supersedes SI B65 39 09 dated August 2010.
Date: 1009012010 BMW 750Li (F02) V84.4L Turbo (N63)
Page 376
[NEW] designates changes to this revision
SUBJECT
No Audio Output in All Modes
MODEL
F01, F02* (7 Series) from 08/01/2009 to 12/31/2009
F07* (5 Series Gran Turismo) from SOP to 12/31/2009
E70* (X5) from 08/01/12009 to 12/31/2009
E71* (X6) from 08/01/2009 to 12/31/2009
E72* (ActiveHybrid X6) from 08/01/2009 to 12/31/2009
*With option 677 (HiFi System Professional)
SITUATION
On the abovementioned cars, there is no audible output for the following systems:
^ Audio sound system (radio, CD/DVD, AUXIn, USB, etc.)
^ Warning gongs
^ Park Distance Control
^ Navigation system
^ Speech Recognition System
^ Rear Seat Entertainment System
^ Handsfree phone calls (SOS call is not affected)
CAUSE
Software and/or hardware error in the top HiFi amplifier
In the case of a software error, fault code B7F491 (Internal control unit error) is stored in the AMPT07 (amplifier).
PROCEDURE
^ Perform a vehicle test and check whether fault code B7F491 is stored in the amplifier.
^ When no fault code is stored in the amplifier, refer to Attachment_A.
^ If fault code B7F491 is stored in the amplifier, delete the fault code entry and reprogram the vehicle using ISTA/P 2.37.0 or later.
Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.
For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service / Workshop Technology /
Vehicle Programming.
PARTS INFORMATION2010 BMW 750Li (F02) V84.4L Turbo (N63)
WARRANTY INFORMATION
ATTACHMENT
Page 3772010 BMW 750Li (F02) V84.4L Turbo (N63)
Page 378
View B653309 Procedure
