Supersedes Technical Service Bulletin Group 96 number 12-45 dated
November 7, 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.