Conditions for Setting the DTC
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
B390F 08
The frontview camera video circuit is open, shorted to voltage or shorted to ground.
B390F 66
The frontview camera is incorrectly mounted.
B390F 4B
The camera calibration is not learned.