Audio System - Auxiliary External Source Inoperative

91 08 75

2016302/2

November 7, 2008.

Supersedes Technical Service Bulletin Group 91 number 07-47 dated October 16, 2007 for reasons listed below.





Affected Vehicles

91 Aux ext. source function in Generation 2+ radio Chorus/Concert/Symphony inoperative





Condition

While scrolling through the CD function by pressing the CD button multiple times on the generation 2+ radio Chorus/Concert/Symphony, the message AUX EXT. SOURCE (auxiliary external source) appears in the display (Figure 1).

Although the message appears, the function is not available.

Technical Background





The auxiliary external source function has been developed for future applications. However, the radio was inadvertently coded to display this function.

Production Solution

Correct coding of the radio.

Service

1. Code the radio, address word 56, via Guided Functions or Guided Fault Finding using the VAS 505X scan tool.

2. During the coding process, the system will ask Is an external audio source connected to the analog input (AUX) of Radio? Select No.

Warranty








When procedure applies to vehicles under warranty, use the table.

Additional Information

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.