Supersedes Technical Service Bulletin Group 96 number 13-78 dated October 31, 2013. Audi side assist deactivates or is sporadically inoperative. Message "Side Assist Unavailable" is displayed in the driver information system display when the system deactivates. Audi side assist deactivates or is sporadically inoperative. DTCs are stored in the Lane change assistance control module. A software issue within J769 causes a diagnostic fault, which deactivates the Audi side assist temporarily.
