CCC(R) - Loss of All Audio/Various Codes Set
SI B65 10 05Audio, Navigation, Monitors, Alarms, SRS
September 2010
Technical Service
This Service Information bulletin supersedes SI B65 10 05 dated November 2007.
[NEW] designates changes to this revision
SUBJECT
CCC: Loss of All Audio
MODEL
E60, E61 (5 Series)
E63, E64 (6 Series)
E90, E91, E92, E93 (3 Series)
Vehicles equipped with CCC (SA 609) without Logic7 amplifier (SA 677)
SITUATION
The customer states that the audio system loses all sound output; there is crackling from the speakers; or the audio system resets (Central Information Display blanks out briefly). The mute symbol cannot be turned on or off by pressing the rotary knob. Audio may be restored after the vehicle enters sleep mode.
One or more of the following faults may be stored in the CCC-ASK:
^ A1A1 - Control module fault
^ A1A2 - Control module fault
^ A1A3 - Control module fault
^ A1A4 - Control module fault
^ A1A5 - Control module fault
^ A19B - Control module fault.
CAUSE
CCC-ASK hardware failure
PROCEDURE
1. Perform the DIS test plan (B6512_50013 CCC Complete) that is automatically linked to the faults listed above. Follow the recommendations given by the test plan. If the test plan requires the replacement of the CCC, the diagnostic code that is generated is the authorization for replacing the part.
2. It is NOT necessary to obtain a part replacement authorization (Teileclearing) for this specific issue. Refer to the warranty section of this bulletin for more details.
WARRANTY INFORMATION