Supersedes Technical Service Bulletin Group 96 number 13-51 dated February 15, 2013. Audi side assist deactivates immediately after the engine is started. DTC C1115F2 (Lane change assistance control module 2 Function limitation due to insufficient voltage) is logged in the lane change assistance control module. The software of the lane change assistance control module, J769 (3C), has been optimized to remove this condition.