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Home >> Tesla >> 2021 >> Model S Performance >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Electrical System (2 Of 2) -- Model 3) >> Electronic Control Modules >> Module - Body Controller - LH (RHD) - Remove and Replace >> Install
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Module - Body Controller - LH (RHD) - Remove and Replace: Install

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Tesla Model 3, 2022 Tesla Model 3, 2021 Tesla Model 3, 2020 Tesla Model 3, and 2019 Tesla Model 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the clip that attach the shroud to the LH body controller module.
    NOTE: Make sure that both clips are fully seated so that the edge of the shroud is parallel with the line on the back of the LH body controller module.
    CAUTION: A shroud should be installed on the body controller module even if one was not present during removal.
  2. Maneuver the LH body controller module into position under the IP carrier. Align the W-clip with the body cutout, and then slide down to attach the LH body controller module to the body.
    G14743897Courtesy of TESLA, INC.
  3. Install new nut that attaches the LH body controller module onto the body.

    6 N.m (4.4 ft-lbs) 

    Tip: Use of the following tool(s) is recommended:

    • 10 mm 12-point deep socket
    • 1/4 in std ratchet
    • 1/4 in torque wrench (installation only)
    • 2 in extension
    G14743898Courtesy of TESLA, INC.
  4. Install the clip that attaches the shroud drain hose to the tab on the LH body controller module.
    G14743899Courtesy of TESLA, INC.
  5. Install the LH front door harness clip to the LH body controller module.
    G14743900Courtesy of TESLA, INC.
  6. Move the LH body harness towards the left side of the LH body controller module, and then attach the harness clips to the LH body controller module.
    G14743901Courtesy of TESLA, INC.
  7. Connect the headliner electrical connector.
    G14743902Courtesy of TESLA, INC.
  8. Connect the body 2 electrical connector to the LH body controller module.
    G14743903Courtesy of TESLA, INC.
  9. Connect the body 1 electrical connector to the LH body controller module.
    G14743904Courtesy of TESLA, INC.
  10. Connect the body 3 electrical connector to the LH body controller module.
    G14743905Courtesy of TESLA, INC.
  11. Connect the front wiring connector to the LH body controller module.
    G14743906Courtesy of TESLA, INC.
  12. Install new nut that attaches the 12V power cable to the LH body controller module.

    8.5 N.m (6.3 ft-lbs) 

    Tip: Use of the following tool(s) is recommended:

    • 10 mm 12-point deep socket
    • 1/4 in std ratchet
    • 1/4 in torque wrench (installation only)
    • 4 in extension
    G14743907Courtesy of TESLA, INC.
  13. Connect the inline electrical connector X909 to the LH body harness, and then clip it to the LH body controller module.
    G14743908Courtesy of TESLA, INC.
  14. Connect the HVAC electrical connector to the LH body controller module, and then engage the connector lock.
    NOTE: Ensure the electrical connector is fully seated.
    G14743909Courtesy of TESLA, INC.
  15. Install the instrument panel electrical connector to the LH body controller module, and then engage the connector lock.
    NOTE: Ensure the electrical connector is fully seated.
    G14743910Courtesy of TESLA, INC.
  16. Connect the driver seat electrical connector to the LH body controller module, and then engage the connector lock.
    NOTE: Ensure the electrical connector is fully seated.
    G14743911Courtesy of TESLA, INC.
  17. Connect the LH front door electrical connector to the LH body controller module, and then engage the connector lock.
    NOTE: Ensure the electrical connector is fully seated.
    G14743912Courtesy of TESLA, INC.
  18. Connect the clips that attach the LH front door electrical connectors to the LH body controller module.
    G14743913Courtesy of TESLA, INC.
  19. Connect the electrical harness clip onto the IP carrier.
    G14743914Courtesy of TESLA, INC.
  20. Install the LH air wave duct. See DUCT - AIR WAVE - LH (RHD) (REMOVE AND REPLACE) .
  21. Install the glove box. See GLOVE BOX - WITHOUT KNEE AIRBAGS (REMOVE AND REPLACE) .
    NOTE: For RHD vehicles, remove the passenger footwell cover. See COVER - FOOTWELL - PASSENGER (RHD) (REMOVE AND REPLACE) .
  22. Install the LH footwell duct. See DUCT - FOOTWELL - LH (RHD) (REMOVE AND REPLACE) .
  23. Connect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
  24. Reinstall the vehicle firmware. See SOFTWARE REINSTALL - TOUCHSCREEN .
  25. Connect to vehicle using Toolbox 3.0.
    NOTE: Vehicle connection is integrated into LH footwell cover.
  26. In Toolbox, click Actions  , type "PROC_VCLEFT" in the search field, click the Play button next to "PROC_VCLEFT_X-POST-REPLACEMENT-PROCEDURE", and then select Run  .
    NOTE: Perform this step with the doors closed. Windows and seats will move as part of this process.
  27. Disconnect the laptop from the vehicle.
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