Conditions for Running the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Battery voltage must be between 9-16 V.
DTC B3883 01
Turn signal/multifunction switch in OFF position.
DTC B3883 02 or B3883 04
Turn signal/multifunction switch in AUTO, PARK or ON positions.