Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> DTC B3435 Or B3440: Headlamp Leveling Control Module Left/Right Servo Driver 1 Or 2 Circuit Malfunction >> Action Taken When the DTC Sets