Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2575 00
The BCM detects a malfunction in the left low beam headlamp control circuit.
DTC B2575 04
The BCM detects an open/high resistance in the left low beam headlamp control circuit.
DTC B2699 00
The BCM detects a malfunction in the right low beam headlamp control circuit.
DTC B2699 04
The BCM detects an open/high resistance in the right low beam headlamp control circuit.