2025-10-30

ECE Headlights - Adjust (Wall Method) (Test/Adjust)

Correction code 17400160 FRT 0.18 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure. NOTE: See Ergonomic Precautions for safe and healthy working practices.

  • 2025-10-16: Revised procedure for Model Y Premium and Performance versions, added alignment procedure for Model Y Standard versions.
Special tools required for this procedure:
  • 1114934-00-A: Laser Measure
  • 1115239-00-A: Tape Measure, 5m-16ft

Adjust Headlights Using a Wall - 2025+ Model Y Premium and Performance versions

  1. Open the LH front door and lower the window.
  2. Position the vehicle for adjusting the headlights. The vehicle should be:
    • Located in a darker work area with low ambient lighting.
    • Parked on a level surface.
    • Perpendicular to a wall that has a matte surface. The wall must be at least 1.83 m (6 ft) high and 3.76 m (12 ft) wide.
    • There should be no low tire pressure alerts on the touchscreen. If present, adjust tire pressures to specification.
  3. Apply tape to the wall at 61 cm (24 in) from the floor.
  4. Apply tape to the floor at 7.6 m (25 ft) from the wall.
  5. Measure the distance from the center of both front wheels to the wall.
    Informational PurposesAn informational icon, calling your attention
    Note
    If equal, this ensures that the vehicle is perpendicular to the wall. If not equal, reposition the vehicle accordingly. The maximum difference between left and right is 3mm.
  6. Mark the center line on the wall.
    Informational PurposesAn informational icon, calling your attention
    Note
    Project a laser perpendicular to the wall onto the center point of the vehicle, then mark a center-line on wall
  7. Create vertical markers on the wall at 77 cm (30 in) from the center line: apply tape vertically on both sides of the center line.
  8. Enable Service Mode. See Service Mode.
  9. Enter the headlight aiming mode through the touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch Controls > Service > Adjust Headlights.
  10. Enable test drive override through the touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ignore the text "Enable if using certain headlight aiming machines".
  11. Adjust LH headlight: touch Left on the touchscreen, and then use the left scroll wheel on the steering wheel to adjust the beam level. Adjust the LH headlight so that the top of the horizontal beam aligns with the horizontal tape mark on the wall, and the left edge of the L-shaped beam aligns with the LH vertical reference tape mark.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not sit in the vehicle during headlight aiming since this will affect the height of the headlight beam.
  12. Adjust RH headlight: touch Right on the touchscreen, and then use the left scroll wheel on the steering wheel to adjust the beam level. Adjust the RH headlight so that the top of the horizontal beam aligns with the horizontal tape mark on the wall, and the left edge of the L-shaped beam aligns with the RH vertical reference tape mark.
  13. Exit headlight adjustment mode from the touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Select X located at the top left of the touchscreen.
  14. Exit Service Mode. See Service Mode.

Adjust Headlights Using a Wall - 2025+ Model Y Standard version

  1. Position the vehicle for adjusting the headlights. The vehicle should be:
    • Located in a darker work area with low ambient lighting.
    • Parked on a level surface.
    • Perpendicular to a wall that has a matte surface. The wall must be at least 1.83 m (6 ft) high and 3.76 m (12 ft) wide.
    • There should be no low tire pressure alerts on the touchscreen. If present, adjust tire pressures to specification.
  2. Park the vehicle on a flat level surface.
  3. Apply tape to floor 4 m (13') from the wall.
  4. Identify and tape the center location of the vehicle.
    Informational PurposesAn informational icon, calling your attention
    Note
    Using the front camera as a guide, apply a piece of tape going vertically to signify the center.
  5. Create a horizontal wall marker.
    Informational PurposesAn informational icon, calling your attention
    Note
    Apply tape to the wall at 78 cm (30.5") from the floor.
  6. Mark the Center line on the wall.
    Informational PurposesAn informational icon, calling your attention
    Note
    Project a laser perpendicular to the wall onto the center point of the vehicle, then mark a center-line on the wall.
  7. Measure distance from the center of both front wheels to the wall.
    Informational PurposesAn informational icon, calling your attention
    Note
    If equal, this ensures vehicle is perpendicular to wall. If not equal, reposition the vehicle accordingly. The maximum difference between left and right is 3mm.
  8. Create vertical markers on the wall.
    Informational PurposesAn informational icon, calling your attention
    Note
    Measure 79 cm (31") from the center line and apply tape vertically on both sides of the center-line.
  9. Enable Service Mode. See Service Mode.
  10. Enter the headlight aiming mode through the touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch Controls > Service > Adjust Headlights.
  11. Enable testdrive override through the touchscreen.
  12. Adjust the LH headlight.
    Informational PurposesAn informational icon, calling your attention
    Note
    Select Left, then use the LH scroll wheel on the steering wheel to adjust the beam level. Adjust the LH headlight so that the top of the horizontal cutoff line aligns with the marked horizontal tape on the wall, and the elbow or "kink" in the top cutoff aligns with the vertical tape mark on the wall. Do not sit in the vehicle as this will affect headlamp height.
  13. Adjust the RH headlight.
    Informational PurposesAn informational icon, calling your attention
    Note
    Select Right, then use the LH scroll wheel on the steering wheel to adjust the beam level. Adjust RH headlight so that the top of the horizontal cutoff line aligns with the horizontal tape mark on the wall, and the elbow or "kink" in the top cutoff aligns with the vertical tape mark on the wall. Do not sit in vehicle as this will affect headlamp height.
  14. Exit headlight adjustment mode from the touchscreen.
    Informational PurposesAn informational icon, calling your attention
    Note
    Select X located at the top left of the touchscreen.
  15. Exit Service Mode. See Service Mode.
  16. Remove the tape from the front center location of the vehicle.