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 B3435 00
- The headlamp control module detects a short to ground or an open/high resistance in the left headlamp leveling actuator LIN bus circuit.
- The headlamp control module detects an open/high resistance in the left headlamp leveling actuator ground circuit.
DTC B3440 00
- The headlamp control module detects a short to ground or an open/high resistance in the right headlamp leveling actuator LIN bus circuit.
- The headlamp control module detects an open/high resistance in the right headlamp leveling actuator ground circuit.