A8 Quattro Sedan V8-4.2L (BGK) (2006)
Voice Activation Module: All Technical Service Bulletins
Voice Recognition System - Can't Be Activated
91 Voice recognition system cancels request
91 10 42
2010899/4
August 9, 2010
Supersedes Technical Service Bulletin Group 91 number 08-127 dated November 12, 2008 for reasons listed below.
AFFECTED VEHICLES
CONDITION
After pressing the PTT button in the steering wheel to activate voice recognition, a confirmation beep followed by a voice command "Cancel" is heard.
The voice recognition system cannot be activated.
In addition, no DTC can be found in the voice recognition system (Address word 67).
TECHNICAL BACKGROUND
May be caused by component protection for the voice recognition system is active.
However, due to initialization delay, no related DTC is stored.
PRODUCTION SOLUTION
Voice recognition system control unit with Software version 0600 will fix this concern. (A DTC will then be stored.)
SERVICE
^ DO NOT replace parts for this condition.
^ Deactivate Component protection in Address word 67 - Voice recognition in Guided Functions.