Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

DTC B3435 00

M29L Headlamp Leveling Actuator - Left - LIN Bus = Short to Ground or Open/High Resistance
M29L Headlamp Leveling Actuator - Left - Ground = Open/High Resistance

DTC B3435 03

M29L Headlamp Leveling Actuator - Left - B+ circuit = Short to Ground or Open/High Resistance
M29L Headlamp Leveling Actuator - Left - Ground = Open/High Resistance

DTC B3440 00

M29R Headlamp Leveling Actuator - Right - LIN Bus = Short to Ground or Open/High Resistance
M29R Headlamp Leveling Actuator - Right - Ground = Open/High Resistance

DTC B3440 03

M29R Headlamp Leveling Actuator - Right - B+ circuit = Short to Ground or Open/High Resistance
M29R Headlamp Leveling Actuator - Right - Ground = Open/High Resistance