91N6 update has been proactively released to prevent the update Audi Q7 vehicles produced within a certain time frame to the latest levels. This update is in effect until removed. The Procedure is valid only for vehicles that show the 91N6 code in the Elsa Campaign/Action Information screen on the day of repair. Vehicle must be within the New Vehicle Limited Warranty. Procedure must be performed within the allotted time frame stated in this Technical Service Bulletin. Procedure must be performed on applicable vehicles in dealer inventory prior to sale.