Audio Amplifier - Component Protection Won't Disable
91 08 1032014295/2
November 11, 2008.
Supersedes Technical Service Bulletin Group 91 number 07-15 dated March 30, 2007 for reasons listed below.
Affected Vehicles
91 Component protection cannot be disabled after Bose amplifier replacement
Condition
The component protection of the Bose amplifier (address word 47 - sound system) with software part number 4E0 910 223 Q cannot be disabled after replacing the component.
DTC 0824 (component protection, no or wrong basic settings) is stored in the module.
Technical Background
Software fault of the Bose amplifier. After a waiting time of approximately 5 minutes, the component protection of the amplifier can be disabled, and the system is working according to the manufacturer's specification.
Production Solution
Software solution in process.
Service
If the DTC 0824 (component protection, no or wrong basic settings) is stored in the Bose amplifier and the component protection cannot be disabled right away, proceed as follows:
1. Switch on the ignition.
2. Wait approximately 5 minutes with the ignition on.
3. You should be able to disable the component protection of the amplifier via the VAS Tester now.
Do not replace any components. As soon as further information is known, this TSB will be updated.
Warranty
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.