Supersedes Technical Service Bulletin Group 96 number 12-43 dated
October 12, 2012. Audi Side Assist deactivates itself immediately following the engine starting. The DTC entry "Control unit 2 for lane changing assistant - restricted function because of low voltage, sporadic" is logged in the control unit ? 3C ? Lane Change Assistant? . The control unit ? 3C ? Lane Change Assistant? checks voltage after each engine on cycle and during this check the voltage can be incorrectly reported which causes the DTC to set.