2025-10-20

Harness - Body - LH (2025+) (Remove and Replace)

Correction code NEW FRT 6.10 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.

Informational PurposesAn informational icon, calling your attention
Note
This procedure describes work that is specific to 2025+ Model X.

Remove

  1. Open all the 4 doors and the liftgate.
  2. Lower both front windows.
  3. Press the brake pedal to turn on drive rails.
  4. On the touchscreen, tap Controls > Suspension and set the air suspension ride height to Very High
  5. Place the vehicle in Service Mode by using the touchscreen. See Service Mode (Enable and Disable).
  6. On the touchscreen, tap Controls > Service > Jack Mode to set the air suspension to Jack Mode.
  7. Remove the LH and RH front door sill trim panels. See Trim - Sill Panel - Front - LH (Remove and Replace).
  8. Remove the LH and RH front seat bolts and adjust the seat position for easy removal. See Seat Assembly - 1st Row - LH (Remove and Install).
  9. Remove the 2nd row rear floor board. See Floor Panel - Rear - 2nd Row (6 Seat) (Remove and Replace).
  10. Remove the rear trunk carpet. See Carpet - Rear Trunk (7 Seat) (Remove and Replace).
  11. Remove the 3rd row seat cushion. See Cushion - Seat - 3rd Row (Remove and Replace).
  12. Perform the charge port voltage check. See Charge Port Voltage Check.
  13. Remove the busbar duct assembly. See Duct - Busbar - 3rd Row - LH (Remove and Replace).
  14. Remove the bolt that secures the busbar HV connector lid.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  15. Remove the bolts (x2) that attach the HV connector to the DC FC header.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  16. Remove the HV connector from the DC FC header.
  17. Remove the LH and RH front seats. See Seat Assembly - 1st Row - LH (Remove and Install).
  18. Remove the 1st row podium. See Podium - 1st Row (Remove and Replace).
  19. Remove the front cabin carpet. See Carpet - 1st Row (Remove and Replace).
  20. Remove the 2nd row front floor panel. See Floor Panel - Front - 2nd Row (6 Seat) (Remove and Replace).
  21. Remove the LH B-pillar applique. See Applique - B-Pillar - LH (Remove and Replace).
  22. Remove the LH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
  23. Remove the LH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (2025+) (Remove and Replace).
  24. Remove the trunk sill trim (clips x4, datums x2).
  25. Remove the rear wall load support (push clips x4, clips x2).
  26. Remove the trunk tub floor insulator.
  27. Remove the LH and RH upper C-pillar trims. See Trim - C-Pillar - Upper - LH (Remove and Replace).
  28. Remove the LH crush can bracket (clips x5).
  29. Remove the LH soft trim pocket bracket (clip x1, datum x1).
  30. Remove the LH trunk side trim. See:
  31. Remove the LH trunk side bracket (screws x3, push clips x3).
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • Torx T30 socket
  32. Remove the LH inner reinforcement. See Reinforcement - Inner - LH (Remove and Replace).
  33. Remove the headliner assembly. See Headliner (Remove and Replace).
  34. Remove the connectors (x4) for the LH and RH EM controllers.
  35. Release the coax connector from the center spine close out panel (tab x1) and disconnect.
  36. Remove the bolts (x8) that attach the center spine close out panel to the body.
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not allow the close out panel to hang on harness,
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  37. Release the clips (x5) and remove the center spine close out panel.
  38. Remove the RH footrest panel. See Panel - Footrest - Front Passenger (LHD) (Remove and Install).
  39. Remove the rear fascia assembly. See Fascia Assembly - Rear (Remove and Install).
  40. Disconnect the LH body harness from the trailer hitch jumper harness.
  41. Disconnect the LH body harness from the trailer hitch ECU.
  42. Release the LH body harness from the trailer hitch assembly and the body (clips x2).
  43. Remove the brake light switch. See Switch - Brake Light (Remove and Replace).
  44. Disconnect the harness connector.
  45. Release the LH body harness from the body controller (connectors x9).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector locks before removal.
  46. Release the LH body harness from the upper and lower A-pillar (clips x6, connectors x2).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector locks before removal. Release X940M connector from clip to prevent paint damage. Lower the fir tree clip located behind the instrument panel carrier.
  47. Route the LH body harness A-pillar branch behind the instrument panel carrier.
    Informational PurposesAn informational icon, calling your attention
    Note
    Route LH body harness under IP harness
  48. Remove the bolt that attach the LH body harness A-pillar branch to the footwell.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  49. Release the LH body harness from the pedal assembly (clips x2).
  50. Release the LH body harness from the toeboard (1x connector, 4x clips, 1x datum).
  51. Release the LH body harness from the B-pillar (3x connectors, 7x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not push down on the red tab. Pull the red tab to disengage the lock, then pull it again to release the connector. Slide both orange locking tabs simultaneously toward the rear of the connector to release the connector.
  52. Release the LH body harness from the center spine (1x bolt, 2x connectors, 4x clips).
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  53. Route the LH body harness under the falcon door upper harness and the curtain air bag.
    Informational PurposesAn informational icon, calling your attention
    Note
    Route the B-pillar applique connectors through the body.
  54. Release the LH body harness from the 1st row body panel (1x bolt, 5x connectors, 7x clips, 1x bracket).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector locks before removal. Release the bracket from the body studs and the hole.
  55. Release the LH body harness from the 2nd row body panel (4x connectors, 3x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the bracket for better access. Release the connector locks before removal.
  56. Release the LH body harness from the 3rd row body panel (1x connector, 6x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Do not push down on the red tab. Pull the red tab to disengage the lock, then pull it again to release the connector.
  57. Release the LH body harness from the C-pillar (3x connectors, 8x clips).
  58. Release the LH body harness from the trunk (1x bolt, 1x connector, 8x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Partially fold the C-pillar carpet to access the connector.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  59. Release the LH body harness from the rear underbody (3x connectors, 5x clips, 2x datums).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the connector locks before removal.
  60. Remove the LH body harness (1x grommet).
    Informational PurposesAn informational icon, calling your attention
    Note
    Release the frunk grommet then route the harness through the hole. Route the harness under the charge port busbar. Route each branch individually through tight spaces to prevent damage.

Install

  1. Position the LH body harness.
    Informational PurposesAn informational icon, calling your attention
    Note
    Route the harness under the charge port busbar. Route the harness through the frunk hole then secure the grommet. Route each branch individually through tight spaces to prevent damage.
  2. Secure the LH body harness onto the rear underbody (3x connectors, 5x clips, 2x datums).
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure connector locks.
  3. Secure the LH body harness onto the trunk (1x bolt, 1x connector, 8x clips).
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tab. Partially fold the C-pillar carpet to access the connector.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  4. Secure the LH body harness onto the C-pillar (3x connectors, 8x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tabs.
  5. Secure the LH body harness onto the 3rd row body panel (1x connector, 6x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tab.
  6. Secure the LH body harness onto the 2nd row body panel (4x connectors, 3x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure the connector locks. Secure the connector housings to the bracket.
  7. Secure the LH body harness onto the 1st row body panel (1x bolt, 5x connectors, 7x clips, 1x bracket).
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure the connector locks. Secure the bracket onto the body studs and the hole.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  8. Route the LH body harness under the falcon door upper harness and the curtain air bag.
    Informational PurposesAn informational icon, calling your attention
    Note
    Route the B-pillar applique connectors through the body.
  9. Secure the LH body harness onto the center spine (1x bolt, 2x connectors, 4x clips).
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tab.
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  10. Secure the LH body harness onto the B-pillar (3x connectors, 7x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tab. Ensure the connectors are properly seated and secure.
  11. Secure the LH body harness onto the toeboard (1x connector, 4x clips, 1x datum).
    Informational PurposesAn informational icon, calling your attention
    Note
    Engage the locking tab.
  12. Secure the LH body harness onto the pedal assembly (2x clips).
  13. Install the bolt that attaches the LH body harness A-pillar branch to the footwell.
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  14. Route the LH body harness A-pillar branch behind the instrument panel carrier.
    Informational PurposesAn informational icon, calling your attention
    Note
    Route the LH body harness under the instrument panel harness.
  15. Secure the LH body harness onto the upper and lower A-pillar (6x clips, 2x connectors).
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure the connector locks. Lower the fir tree clip located behind the instrument panel carrier.
  16. Secure the LH body harness onto the body controller (9x connectors).
    Informational PurposesAn informational icon, calling your attention
    Note
    Secure the connector locks.
  17. Connect the harness connector.
    Informational PurposesAn informational icon, calling your attention
    Note
    Fully seat the connector then engage the lock.
  18. Install the brake light switch. See Switch - Brake Light (Remove and Replace).
  19. Secure the LH body harness onto the trailer hitch assembly and body (2x clips).
  20. Connect the LH body harness onto the trailer hitch ECU.
  21. Connect the LH body harness to the trailer hitch jumper harness.
  22. Install the rear fascia assembly. See Fascia Assembly - Rear (Remove and Install).
  23. Install the RH footrest panel. See Panel - Footrest - Front Passenger (LHD) (Remove and Install).
  24. Position the center spine close out panel and secure the front clips (x2).
  25. Install the bolts (x8) that attach the center spine close out panel to body.
    3.5 Nm (2.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm deep socket
  26. Secure the harnesses onto the center spine close out panel (3x clips).
  27. Connect the coax connector and secure it onto the center spine close out panel (1x tab).
  28. Install the connectors (x4) for the LH and RH EM controllers.
  29. Install the headliner assembly. See Headliner (Remove and Replace).
  30. Install the HV connector onto the DC FC header.
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify the connector is fully seated.
  31. Install the bolts (x2) that attach the HV connector to the DC FC header.
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  32. Install the bolt that secures the HV connector lid.
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • 10 mm socket
  33. Install the busbar duct assembly. See Duct - Busbar - 3rd Row - LH (Remove and Replace).
  34. Install the LH inner reinforcement. See Reinforcement - Inner - LH (Remove and Replace).
  35. Install the LH trunk side trim bracket (3x bolts, 3x push clip).
    2.5 Nm (1.8 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    Use of the following tool(s) is recommended:
    • Torx T30 socket
  36. Install the LH trunk side trim. See:
  37. Install the LH upper C-pillar trim. See Trim - C-Pillar - Upper - LH (Remove and Replace).
  38. Install the LH lower C-pillar trim. See Trim - C-Pillar - Lower - LH (Remove and Replace).
  39. Install the LH soft trim pocket bracket (2x clips).
  40. Install the LH crush can bracket (5x clips).
  41. Install the rear wall load floor support (4x push clips, 2x clips).
  42. Install the rear trunk sill trim (4x clips).
    Informational PurposesAn informational icon, calling your attention
    Note
    Make sure to seat the liftgate seal properly.
  43. Install the 3rd row seat cushion. See Cushion - Seat - 3rd Row (Remove and Replace).
  44. Install the rear trunk carpet. See Carpet - Rear Trunk (7 Seat) (Remove and Replace).
  45. Install the LH upper A-pillar trim. See Trim - A-Pillar - Upper - LH (2025+) (Remove and Replace).
  46. Install the LH lower A-pillar trim. See Trim - A-Pillar - Lower - LH (Remove and Replace).
  47. Install the LH B-pillar applique. See Applique - B-Pillar - LH (Remove and Replace).
  48. Install the 2nd row front floor panel. See Floor Panel - Front - 2nd Row (6 Seat) (Remove and Replace).
  49. Install the front cabin carpet. See Carpet - 1st Row (Remove and Replace).
  50. Install the 1st row podium. See Podium - 1st Row (Remove and Replace).
  51. Install the LH rear sill assembly (8x clips, 1x datum, 1x tab).
  52. Install the RH rear sill assembly (8x clips, 1x datum).
  53. Install the trunk rear load floor.
  54. Connect LV power. See LV Power (Disconnect and Connect).
  55. Close the liftgate.
  56. Hold the upper B-pillar button in the down position to manually calibrate the LH and RH falcon wing doors.
  57. Install the LH and RH front seat bolts. See Seat Assembly - 1st Row - LH (Remove and Install).
  58. Install the LH and RH front door sill trim panels. See Trim - Sill Panel - Front - LH (Remove and Replace).
  59. Press the brake pedal to turn on the drive rails.
  60. On the touchscreen, tap Controls > Service > Jack Mode to remove the air suspension from Jack Mode.
  61. Tap Suspension > Medium to set the air suspension ride height to Medium.
  62. Raise all windows and close all doors.