Common Failures of BYD 1378356800 Front headlight adjustment computer for DENZA D9 DM-i/DENZA D9 PHEV/DENZA D9 Hybrid
- Incorrect Headlight Angle: Many DENZA D9 DM - i owners with OE number 1378356800 report that the front headlight adjustment computer fails to set the proper angle.
- Erratic Adjustment: The adjustment of the front headlight adjustment computer in DENZA D9 Hybrid models often behaves erratically, affecting nighttime driving.
- No Response to Commands: A portion of DENZA D9 PHEV users find that the computer with OE 1378356800 doesn't respond to adjustment commands.
Maintenance Tips of BYD 1378356800 Front headlight adjustment computer for DENZA D9 DM-i/DENZA D9 PHEV/DENZA D9 Hybrid
- First, ensure the vehicle is parked on a flat surface before adjusting the BYD DENZA D9 DM - i/DENZA D9 PHEV/DENZA D9 Hybrid front headlight adjustment computer (OE# 1378356800). This provides a stable base for accurate adjustment.
- Next, locate the adjustment screws on the headlight assembly. These are used to control the vertical and horizontal angles of the headlights. Refer to the vehicle's manual for precise locations.
- Then, use a proper screwdriver to make small adjustments. Turning the screws clockwise or counter - clockwise can change the beam direction. Test the lights after each adjustment to check the effect.
- Also, check the alignment of the headlights against a wall. Measure the distance from the ground and the center of the vehicle to ensure the beams are correctly positioned.
- Finally, compare the adjustment with the factory settings. If you're unsure, consult a professional or BYD service center for guidance.
Electrical Hazard Warning – The front headlight adjustment computer is connected to the vehicle's electrical system. Always disconnect the battery before installation to avoid electric shock.