Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
DTC B3415 01
The headlamp control module detects a short to voltage in the headlamp leveling sensor 5V reference circuit.
DTC B3415 02
The headlamp control module detects a short to ground or an open/high resistance in the headlamp leveling sensor 5V reference circuit.