Q7 Quattro V8-4.2L (BAR) (2008)
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Collision Avoidance Module: Customer Interest
Collision Avoidance - Lane Change Assistant Inoperative
96 Lane change assistant (Audi side assist) inoperative
96 09 17
2020050/2
December 16, 2009.
Supersedes Technical Service Bulletin Group 96 number 09-03 dated February 20, 2009 for reasons listed below.
Affected Vehicles
Condition
^ Lane change assistant (Audi side assist) inoperative.
^ DTCs 00447 (Functions restriction due to high voltage) and 00532 (Supply Voltage B+ Upper limit exceeded) stored in the lane change assistance
control unit (address word 3C).
^ The message Audi side assist currently not available is displayed in the instrument cluster driver information display.
Technical Background
Incorrect component in the control unit for lane changing assistant.
Production Solution
Optimized components.
Service
1. Measure the battery (terminal 30) voltage to the master control unit for lane changing assistant J769.
2. Compare the measured voltage with the displayed value in measuring value block 1 of the master control unit for lane changing assistant J769 (address
word 3C).
